After 15.0 mL of HCl has been added (half the volume of the titrant), the pH = 4.75 After 30.0 mL of HCl has been added (the entire volume of the titrant), the pH is around 1. the final ph value after the given volumes of titrant have been added is 1.
To calculate the pH after a certain volume of titrant has been added in a titration of 30.0 mL of 0.050 M NH3 with 0.025 M HCl, we need to find the concentration of NH3 and HCl at each stage of the reaction. The reaction between NH3 and HCl can be represented as:
NH3 + HCl -> NH4Cl
At the beginning of the titration, the concentration of NH3 is 0.050 M, and the concentration of HCl is 0. The addition of HCl will cause the concentration of NH3 to decrease and the concentration of HCl to increase. At the half-equivalence point (when exactly enough HCl has been added to react with half of the NH3), the concentration of NH3 is 0.025 M, and the concentration of HCl is also 0.025 M. At this point, the pH can be calculated using the Henderson-Hasselbalch equation:
pH = pKa + log([NH3-]/[NH4+]) where pKa = 4.75 for the NH3/NH4+ buffer system, and [NH3-] and [NH4+] are the concentrations of the unionized NH3 and the ammonium ion, respectively.
At this half-equivalence point, the pH = 4.75 + log(0.025/0.025) = 4.75
As the HCl is added in excess, the pH of the solution will continue to decrease until it reaches a value of around 1.
Here's a summary of the pH values after the addition of different volumes of HCl:
After 15.0 mL of HCl has been added (half the volume of the titrant), the pH = 4.75
After 30.0 mL of HCl has been added (the entire volume of the titrant), the pH is around 1.
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The complete question is :
A 30. 0 ml solution of 0. 050 m nh3 was titrated with 0. 025 mil. After adding the following volumes of titrant, determine the pH.
a - 15ml
b- 30ml
if magnesium nitrate and sodium hydroxide are reacted together, what is the resultant colorless jelly-like precipitate that forms?
If magnesium nitrate and sodium hydroxide are reacted together then a white jelly like precipitate is formed.
The reaction between magnesium nitrate and sodium hydroxide produces magnesium hydroxide, a white, jelly-like precipitate:
Mg(NO3)2 + 2NaOH → Mg(OH)2 + 2NaNO3
Magnesium hydroxide is a soft, white, jelly-like solid that is insoluble in water and has a basic nature. It is often used as a neutralizing agent and as an antacid. The reaction between magnesium nitrate and sodium hydroxide is a neutralization reaction, where the strong base sodium hydroxide reacts with the weak acid magnesium nitrate to form a salt (magnesium hydroxide) and a neutral solution of sodium nitrate.
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Select the conversion factors needed to convert the distance in meters to inches 84.2m*=3310in
The conversion factor to convert any distance of meters into inch is by multiplying the distance in meters by 39.37.
One meter is near about equal to 39.3700787402 inches. Inches and meters both are units to measure the distance. Let's break it down. We know there are 12 inches in a foot and there are about 3.281 feet in a meter and there is 39.37 inches in a meter.
Now, let's see how many feet are in 4 meter. To do that we are going to multiply the number of feet in one meter times four. So, 4 × 3.281, that equals 13.124.
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12.2 g of aluminum nitrite and 92.5 g of ammonium chloride react to form aluminum chloride, nitrogen, and water. how many grams of the excess reagent remain after the reaction? enter to 1 decimal place.
The amount of excess NH4Cl remaining after the reaction is 55.7 g.
To find the amount of excess reagent in this reaction, we first need to write a balanced chemical equation for the reaction between aluminum nitrite (Al(NO3)2) and ammonium chloride (NH4Cl):
Al(NO3)2 + 6NH4Cl -> 2AlCl3 + 6NH3 + 6H2O
From this equation, we can see that for every 1 mole of Al(NO3)2, 6 moles of NH4Cl are required. We can determine the limiting reagent by finding the number of moles of each reactant and comparing them. The limiting reagent is the reactant that will run out first, meaning that the amount of product produced will be determined by the limiting reagent.
First, we'll find the number of moles of each reactant:
12.2 g Al(NO3)2 / 106 g/mol
= 0.115 mol Al(NO3)2
92.5 g NH4Cl / 53.5 g/mol
= 1.73 mol NH4Cl
Since 1.73 mol NH4Cl > 0.115 mol Al(NO3)2, we can say that
Al(NO3)2 is the limiting reagent NH4Cl is the excess reagent.The amount of NH4Cl used in the reaction is 0.115 mol Al(NO3)2 * 6 mol NH4Cl/1 mol Al(NO3)2 = 0.69 mol NH4Cl.
The amount of excess NH4Cl is 1.73 mol - 0.69 mol = 1.04 mol.
Finally, we can convert the number of moles of excess NH4Cl to grams:
1.04 mol * 53.5 g/mol = 55.7 g.
So, the amount of excess NH4Cl remaining after the reaction is 55.7 g to one decimal place.
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if i dilute 7000 ml to 8 m lithium acetate solution to a volume of 50000 ml what will the concentration of the solution be
The final concentration of the solution after dilution to 50000 ml will be 0.224 M.
To find the concentration of the solution after dilution, you can use the formula:
C1 * V1 = C2 * V2
Where C1 is the initial concentration of the solution, V1 is the initial volume, C2 is the final concentration of the solution after dilution, and V2 is the final volume after dilution.
In this case, C1 = 8 M and V1 = 7000 ml = 7 L
V2 = 50000 ml = 50 L
So, we can substitute these values in the equation to find the final concentration:
C2 = (C1 * V1) / V2 = (8 M * 7 L) / 50 L = 0.224 M
So, the final concentration of the solution after dilution will be 0.224 M.
The process of dilution involves increasing the volume of a solution while maintaining the same number of solute particles. The concentration of the solution decreases as the volume increases. To calculate the concentration of a solution after dilution, you can use the formula C1 * V1 = C2 * V2. In this formula, C1 is the initial concentration of the solution, V1 is the initial volume, C2 is the final concentration of the solution after dilution, and V2 is the final volume after dilution. By substituting the given values, you can find the final concentration of the solution. The process of dilution is useful in many applications, including adjusting the strength of chemicals for specific uses, preparing samples for analysis, and controlling the reaction rate in chemical reactions.
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air consists of question 62 options: a mixture of gases that behaves as if it were a single gas. mostly carbon dioxide and water vapor. oxygen only. gases that are not well mixed.
With traces of water vapor, carbon dioxide, argon, and other gases, air is a mixture of gases made up of 78% nitrogen and 21% oxygen.
Three gases, nitrogen, oxygen, and argon, account for more than 99% of the air's composition. In very minute amounts, air also contains various gases, including gaseous water, sometimes known as water vapor. Solids and liquids can also be found in air. Pollen, dust, and soot are examples of solids in the air. The gaseous elements nitrogen, oxygen, and lower concentrations of other elements make up the homogenous combination known as air. N2 (78%), O2 (21%), argon (1%), carbon dioxide (0.03%), and water vapor are among the several gases that make up air. These vapors have variable chemical compositions.
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the molecular formula of glucose is c6h12o6. what would be the molecular formula for a polymer made by linking eight glucose molecules together by dehydration reactions?
A molecule created by dehydration reactions joining three glucose molecules together would have the chemical formula C18H32O16.
By removing water molecules, dehydration reactions cause the molecules to create new chemical connections with one another. Three glucose molecules would dehydrate together, joining the separate molecules to create a bigger molecule. Since it is a dehydration reaction, it means that when two molecules are linked together, there will be one molecule of water removed. In this case, the larger molecule would have three times the number of carbon resulting in the molecular formula C18H32O16.
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methyl acetate has a chemical composition of 48.64% carbon, 8.16% hydrogen, and 43.20% oxygen. what is the empirical formula?
8.16 g H is produced by 8.16% H, 48.64 g C by 48.64 g C, and 43.20 g O by 43.20% O. If necessary, divide these numbers by integers to produce whole numbers; if one of the numbers is altered, the others must be altered as well.The empirical formula of [tex]C3H6O2[/tex] is methyl acetate.
The chemical formula of methyl acetate is 48.64% carbon, 8.16% hydrogen, and 43.20% oxygen. The empirical formula is [tex]CH2O[/tex]. [tex]CH3N[/tex] empirical formula. [tex]C3H3O[/tex] is the empirical formula. Consider that we have 100 g of the material. We therefore have 29.0 g of oxygen, 5.5 g of hydrogen, and 65.5 g of carbon. [tex]C3H3O[/tex] is the empirical formula. A chemical having a mass of only 48.64% C and 8.16% H is composed entirely of carbon, hydrogen, and oxygen. The empirical formula for the chemical is what AI Recommended Reaction This substance's empirical formula is [tex]C2H6O2[/tex].
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which equation should you use to find the final number of moles of gas in the balloon after the deflation?
To find the final number of moles of gas in a balloon after deflation, you can use the ideal gas law equation, which is PV = nRT
PV = nRT
where P is the pressure of a gas , V is the volume of the gas , n is the number of moles of gas, R is the gas constant, and T is the gas's temperature.
If you know the initial pressure, volume, temperature, and number of moles of gas, and the final pressure and volume after deflation, you can use the equation to calculate the final number of moles of gas in the balloon at final pressure .
Here's an example:
Initial conditions: P1, V1, T1, n1
Final conditions: P2, V2, T2, n2
We know that T1 = T2 (the temperature is constant)
So, we can substitute these values into the ideal gas law equation:
P1V1 = n1RT
P2V2 = n2RT
Solving for n2, we get:
n2 = (P1V1) / RT = (P2V2) / RT
Therefore, the final number of moles of gas in the balloon after deflation can be determined by using this equation.
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which solid would you expect to have the highest melting point? which solid would you expect to have the highest melting point? cao(s) kr(s) i2(s)
Out of the three solids, Iodine (I2) is expected to have the highest melting point.
This is because the intermolecular forces between iodine molecules are stronger than those between the other two substances, making it more difficult to separate the individual molecules. The stronger the intermolecular forces, the higher the energy required to separate the molecules and the higher the melting point. In comparison, Calcium oxide (CaO) and Krypton (Kr) have weaker intermolecular forces and therefore, lower melting points.
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A student checks the air pressure in her bicycle tires early in the morning when it is cool outside. If she measures it again later in the day when it is hotter, what will she most likely observe?
A student checks the air pressure in her bicycle tires early in the morning when it is cool outside. she will most likely observe that the tire pressure will be the higher when the temperature is the higher.
The Pressure is the result of the collisions of the gas molecules with the walls of the tire. The Temperature is the measure of the average kinetic energy in the gas molecules. When the temperature will increases, the gas molecules will move the more quickly and they will collide with the tire walls frequently and the more force.
This is according to the kinetic molecular theory as the Pressure and the temperature are the directly proportional.
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calculate the molar concentration of a solution containing 7.93e+2 grams of C6H12O6 in millilitres of water. The molar mass of C6H12O6 is 180.156 g/mol
Concentration per unit mass may be used instead of volume. Therefore, 4.39M is the concentration of given solution.
What is concentration?Concentration in chemistry refers to the quantity of a material in a specific region. Concentration is sometimes defined as the ratio of a solution's solute to either solvent and total solution. Concentration is often represented as mass per volume.
However, solute concentration can also be represented in moles or volume units. Concentration per unit mass may be used instead of volume. While concentration is often used to chemical solutions, it may be computed for any combination.
molarity = number of moles/ volume of solution
number of moles= 792/ 180.15=4.39mol
molarity =4.39/ 0.001=4.39M
Therefore, 4.39M is the concentration of given solution.
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Is salt a physical or chemical?
Answer:
Chemical
Explanation:
I remember learning this in AP Chemistry class. Salt is an ionic compound that comes from the neutralization reaction of an acid and a base. If I am wrong, I am sorry it has been a long time since I passed the Chemistry class.
an atom's identity is directly determined by a. the number of electrons it has b. the number of neutrons it has c. the number of protons it has d. the number of bonds it can form e. its atomic weight
The answer is c. the number of protons it has. The number of protons in the nucleus of an atom determines the element's atomic number on the Periodic Table, which in turn determines its identity.
All atoms of the same element have the same number of protons, and this number is unique to each element. For example, carbon has six protons and is atomic number 6.
Atoms of different elements can form chemical bonds with each other in order to form molecules, compounds, and other substances. The type of bond formed depends on the number of electrons in the outermost shell of each atom and the attraction between them. For example, atoms with an even number of electrons in their outermost shell tend to form covalent bonds with other atoms, while atoms with an odd number of electrons tend to form ionic bonds.
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state the names related to climate conditions for various crops and state their requirements. state the types of crops based on any of the factors.
Solar radiation, temperature, and rainfall are the three main climatic elements that affect how quickly plants grow, develop, and produce food. The buildup of dry materials must occur at the ideal temperature.
Solar radiation, temperature, and rainfall are the three main climatic elements that affect how quickly plants grow, develop, and produce food. The buildup of dry materials must occur at the ideal temperature. The following are some of the ideal circumstances for strong plant growth: Air temperature: 24 °C Day/ 19 °C Day (75F/65F) H2O temperature: cold at 26 °C, hot at 24 °C, not to exceed 25 °C. Minimum of 50 and no more than 70% relative humidity These fundamental resources for the food-producing industry, according to Perrin, include land, water, and other natural resources as well as important aspects like climate and ecological resilience. Environmental elements include air, water, soil, climate, native plants, and landforms. By definition, environmental factors have an impact on daily life and are a significant contributor to the disparities in health that exist between different geographic regions.
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a compound made of bismuth (bi) and fluorine (f) is 68.8% bi (208.98 g/mol) and 31.2% f (18.009 g/mol). what is the name of this compound? bismuth is a metal with multiple possible charges as a cation.
The compound made of bismuth and fluorine is likely Bismuth(III) Fluoride, also known as Bismuth Trifluoride, with the chemical formula BiF3.
Bismuth is a metal with multiple possible charges as a cation, and its oxidation state can vary from -3 to +5. In this case, the compound is made up of 68.8% bismuth and 31.2% fluorine, which indicates that bismuth is in the +3 oxidation state, and the compound is Bismuth(III) Fluoride (BiF3).
This compound is a white crystalline solid that is often used as a component in optical materials, electroceramics, and in the production of other bismuth compounds.
Bismuth is a heavy, silvery-white metal that is known for its low toxicity and low thermal and electrical conductivity. Bismuth(III) Fluoride, as the name suggests, is composed of bismuth cations (Bi3+) and fluoride anions (F-). The compound forms a crystalline solid structure where the bismuth and fluoride atoms are held together by strong ionic bonds.
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the molality of ammonia, nh3, in an aqueous solution is 22.8 m. what is the mole fraction of ammonia in the solution?
The molality of ammonia in an aqueous solution is 22.8 M. Then the mole fraction of ammonia in the solution is 0.29.
The mole fraction of a substance expresses the ratio of the number of moles of solute or solvent to the number of moles of solution. Here are the mole fraction formulas for the solute and solute:
Xt = nt / nt + np.
xp = np / nt + np.
NH₃ molality = 22.8 M
This means that if we take 1 kg of H₂O we have 22.8 M NH₃.
Moles of H2O in 1 kg = 1000/18
Mole fraction of NH₃ = Moles NH3/Moles NH3 + Moles H₂O
Mole fraction of NH₃ = 22.8/22.8 + 1000/18
Mole fraction of NH₃ = 22.8/78.35
Mole fraction of NH₃ = 0.29
So, the mole fraction of NH₃ is 0.29.
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what is the ph of a solution obtained by dissolving two extra-strength aspirin tablets, containing 450 mg of acetylsalicylic acid each, in 270 ml of water?
The pH of the solution obtained by dissolving two extra-strength aspirin tablets in 270 mL of water is approximately 3.54.
What is pH of a solution?pH is a measure of the acidity or (alkalinity) of a solution. It is defined as the negative logarithm of the hydrogen ion (H+) concentration in moles per liter (mol/L) in an aqueous solution. The pH scale ranges from 0 to 14, with 7 being neutral pH. Solutions with a pH less than 7 are considered acidic, while solutions with a pH greater than 7 are considered basic or alkaline.
To calculate the pH of a solution containing acetylsalicylic acid (aspirin), we need the concentration of the acid in the solution. Each extra-strength aspirin tablet contains 450 mg of acetylsalicylic acid, so dissolving two tablets in 270 mL of water gives a total concentration of 2 × 450 mg / 270 mL = 1667 mg/mL.
Next, we need to convert the concentration to moles. Acetylsalicylic acid has a molecular weight of 180.16 g/mol, so the number of moles in the solution is 1667 mg / 180.16 mg/mol = 9.24 x [tex]10^-{4}[/tex] moles.
The pKa of acetylsalicylic acid is 3.5, so at a pH of 7.0, the majority of the acetylsalicylic acid will exist in its acidic form (as the acetylsalicylic acid anion). The concentration of acetylsalicylic acid in its acidic form can be calculated using the Henderson-Hasselbalch equation:
[tex]pH = pKa + log([A^-]/[HA])[/tex]
Where [tex][A^-][/tex]is the concentration of acetylsalicylic acid anion and [HA] is the concentration of acetylsalicylic acid. Rearranging the equation and substituting the values we have, we get:
[tex]log([A^-]/[HA]) = pH - pKa[A^-]/[HA] = 10^(pH - pKa) = 10⁽⁷⁻³°⁵⁾ = 316.23[A^-] = 316.23 × 9.24 x 10⁻⁴ = 2.92 x 10⁻⁴ M[/tex]
Finally, the pH of the solution can be calculated from the concentration of acetylsalicylic acid anion:
[tex]pH = -log([A^-]) = -log(2.92 x 10⁻⁴) = 3.54[/tex]
So, the pH of the solution obtained by dissolving two extra-strength aspirin tablets in 270 mL of water is approximately 3.54.
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a solution is prepared by dissolving 12.30 g of ordinary sugar (sucrose, c12h22o11, 342.3 g/mol) in 35.00 g of water. calculate the boiling point of the solution. sucrose is a nonvolatile nonelectrolyte.
Boiling point of the solution prepared by dissolving 12.30 g of ordinary sugar (sucrose, c12h22o11, 342.3 g/mol) in 35.00 g of water is 100.5°C.
To calculate the boiling point of the solution, we need to determine the boiling point elevation caused by the addition of sucrose to the water. The boiling point elevation of a solution is proportional to the molality (moles of solute per kilogram of solvent) of the solute.
First, let's calculate the molality of the solution:
12.30 g sucrose / 342.3 g/mol = 0.0359 moles sucrose
35.00 g water / 1000 g/kg = 0.035 kg water
Molality = 0.0359 moles / 0.035 kg = 1.03 mol/kg
Next, we can use the formula for boiling point elevation to calculate the boiling point of the solution:
ΔTb = Kb * molality
where ΔTb is the change in boiling point, Kb is the boiling point elevation constant for water (0.512 K kg/mol), and molality is the molality of the solution.
ΔTb = 0.512 K kg/mol * 1.03 mol/kg = 0.529 K
Finally, we can add the boiling point elevation to the boiling point of pure water (100°C) to obtain the boiling point of the solution:
Boiling point of solution = 100°C + ΔTb = 100°C + 0.529 K = 100.529°C (approximately 100.5°C)
So, the boiling point of the solution is 100.5°C.
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The percent of P in Li3PO4 is
A sample of 25.2g of candy bar was burned in a calorimeter. The calorimeter was calibrated to have a heat capacity of 8.72 kcal/Celsius. Calculate the food caloric content of the candy bar in nutritional calories per gram to three significant figures
The food caloric content of the candy bar in nutritional calories per gram to three significant figures is 890 cal/g
The heat released from the burning candy bar was measured and found to be 44.6 kcal. To find the food caloric content of the candy bar, we need to determine the amount of heat released per gram of candy bar.
First, we need to find the change in temperature of the calorimeter. This can be done by dividing the heat absorbed by the calorimeter (44.6 kcal) by its heat capacity (8.72 kcal/Celsius).
Change in temperature = 44.6 / 8.72 = 5.1 Celsius
Next, we need to divide the heat released from the candy bar (44.6 kcal) by the change in temperature (5.1 Celsius) to find the heat released per gram of candy bar.
Heat released per gram = 44.6 / (5.1 × 25.2 g) = 0.89 kcal/g
Finally, to find the food caloric content in nutritional calories per gram, we need to convert the heat energy unit from kilocalories to nutritional calories.
Food caloric content = 0.89 × 1000 = 890 cal/g to three significant figures.
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describe how intermolecular forces might be responsible for the observed order of melting points for naphthalene, iodine, sucrose, and nacl.
The order of melting points depends on the strength of the intermolecular forces between their molecules.
The order of melting points for naphthalene, iodine, sucrose, and NaCl is determined by the strength of the intermolecular forces between their molecules. Naphthalene has stronger intermolecular forces than iodine due to its larger surface area, resulting in a higher melting point. Sucrose has weaker intermolecular forces than naphthalene and iodine due to its smaller molecular size and polar nature, resulting in a lower melting point. NaCl has ionic bonds, which are the strongest type of intermolecular forces, resulting in the highest melting point among these four substances.
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over a certain time period, the steam plant produced 162 million btu of heat, 23,610 g of sulfur dioxide, and 1623 g of particulate matter. determine how many tons of each type of coal the steam plant must have burned. include a vector equation as part of your solution.
3.9 tons of A and 1.8 tons of B must be burned for Steam power plants.
Steam power plants consist of boilers, steam turbines, generators, and other ancillary equipment. Boilers produce high pressure, high temperature steam. A steam turbine converts the thermal energy of steam into mechanical energy. The generator then converts mechanical energy into electrical energy.
The amount of tons of each type of coal the Steam power plants must have burned is represented by the vector equation:
x1v1 + x2v2 = b
[tex]\left[\begin{array}{ccc}27.6&3100&250\\30&6400&360\\23&23610&1623\end{array}\right][/tex]
where first row represents v1, second row represents v2 and third row represents v3.
3.9 tons of A and 1.8 tons of B must be burned.
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S + 6 HNO3 --> H2SO4 + 6 NO2 + 2 H2O
In the above equation how many grams of water can be made when 2 grams of HNO3 are consumed?
Explanation:
1 mole of HNO3 reacts with 1 mole of S to produce 1 mole of H2SO4, 6 moles of NO2, and 2 moles of H2O.
So, when 2 grams of HNO3 (1 mole) reacts, it produces 2 moles of H2O, which is equal to 2 x 18 = 36 grams.
Therefore, 36 grams of water can be made when 2 grams of HNO3 are consumed
the wedge-dash representation of 2,3-dichloropentane is shown. what is the orientation of the chiral center(s)?
A carbon atom that is joined to four distinct groups or atoms is known as a chiral centre. The stereochemistry of the molecule and its optical activity are both governed by the orientation of the substituents.
A carbon atom attached to four separate substituents is referred to as a chiral centre or stereocenter. As the orientation of the substituents surrounding the chiral centre can change the molecule's properties, such as its reactivity, solubility, and biological activity, it is a crucial idea in organic chemistry. Wedge-dash representations, which depict the spatial arrangement of the substituents, are used to determine the orientation of the chiral centre. Enantiomers, which are non-superimposable mirror reflections of one another, can be distinguished from one another using this. As enantiomers can have dramatically diverse biological effects even when they share the same chemical makeup, chiral centres play a significant role in medication design.
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Suppose the decomposition of nitryl chloride proceeds by the following mechanism: no2cl(g)→no2(g)+ cl(g) rate constant: k1cl(g)+no2cl(g)→no2(g)+cl2(g)suppose also k1≪ k2. That is, the first step is much slower than the second. A. Write the balanced chemical equation for the overall chemical reaction. B. Write the experimentally-observable rate law for the overall chemical reaction. C. Express the rate constant k for the overall chemical reaction in terms of k_1, k_2, and (if necessary) the rate constant k1 and k2 for the reverse of the two elementary reactions in the mechanism
The rate constant k for the overall chemical reaction in terms of k_1, k_2 is Equal.
A chemical response is a system that results in the chemical transformation of one set of chemical materials to another. Classically, chemical reactions embody adjustments that best contain the positions of electrons inside the forming and breaking of chemical bonds between atoms, and not using an exchange to the nuclei (no change to the factors present), and can frequently be described by way of a chemical equation. Nuclear chemistry is a sub-area of chemistry that includes the chemical reactions of risky and radioactive factors in which each digital and nuclear change can arise.
The substance (or substances) to begin with worried in a chemical response are called reactants or reagents. Chemical reactions are commonly characterized by a chemical change, and they yield one or extra products, which usually have residences one of a kind from the reactants.
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The density of a gas is 0.0892 g/L at STP. What are the molar mass and the identity of the gas?
Urgent!!!
please solve this 250cm^3 of hydrogen gas at a temperature of 17°c are at a pressure of 196kpa.calculate the volume of hydrogen if the temperature is raised to 67°c and the pressure is decreased to 80 kpa
586cm^3 is the volume of hydrogen if the temperature is raised to 67°c and the pressure is decreased to 80 kpa.
Which three ideal gas laws are there?
According to Boyle's Law, gas volume grows as pressure lowers. According to Charles' Law, a gas expands in volume as its temperature rises. Additionally, Avogadro's Law states that as gas concentration rises, so does its volume.
The definition of an ideal gas is a gas in which the volume of the molecules and the forces between the molecules are so minimal as to not affect the behavior of the gas.
P1V1/T1 = P2V2/T2
V2 = ?
P1 = 196kPa
V1 = 250cm^3
T1 = 17degree celcius
P2 = 80kPa
T2 = 67 degree celcius
V2 = P1V1T2/T1P2
= 196*250*67/17*80
= 586cm^3
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In order for rocks to be classified as igneous, the rocks must
In order for rocks to be classified as igneous, the rocks must be developed from molten lava.
What is rock?Rock is a naturally occurring and cohesive conglomerate of one or more minerals in geology. These aggregates are the fundamental unit of the solid Earth and often form identifiable and mappable volumes. Rocks are typically classified into three broad groups based on the processes which resulted in their creation.
Igneous rocks are those that developed from molten lava. The heat within the earth's mantle turns this substance liquid. When magma rises to the earth's surface, it is known as lava. When lava cools, it forms rocks like tuff and basalt.
Therefore, in order for rocks to be classified as igneous, the rocks must be developed from molten lava.
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Help with my chemistry work pls. It's confusing
The mass of oxygen gas that will react with 50 grams of ammonia gas is 57.28 grams.
How to calculate mass stoichiometrically?Stoichiometry is the quantitative relationship between the reactants and products of a specific reaction or equation.
According to this question, ammonia gas reacts with oxygen gas to produce nitrogen gas and water.
Based on the reaction, 1 mole of ammonia gas reacts with 1 mole of oxygen.
50 gram of ammonia gas is equivalent to 1.79 moles
1.79 moles will react with 1.79 moles of oxygen gas.
mass of oxygen gas = 1.79 moles × 32g/mol = 57.28 grams.
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a chemist employed by an airplane manufacturer investigates new adhesives for the purpose of building airplanes without rivets. she is engaged in group of answer choices risk-benefit analysis. alchemy. applied research. basic research.
A chemist employed by an airplane manufacturer investigates new adhesives for the purpose of building airplanes without rivets. So, she is engaged in applied research.
Research means findings and discoveries. A researcher can carry out either basic research or applied research. Every research topic begins with an explanation of the aim of the investigation, which describes identifying the research method or the strategy used to carry out the research.
Applied research is a non-systematic approach to solving certain difficulties or problems . These concerns or problems may affect a person, a group, or the entire society. It is referred to as "non-systematic" because it directly aim at seeking solutions.
It makes use of the existing scientific instruments to identify solutions. So, it is frequently referred to as a "scientific process".
The three different categories in research are as follows: Action research, Research and Development and evaluation research.
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