Sulfuric acid is produced by first burning sulfur to produce sulfur trioxide gas

2S(s) + 3O2(g) → 2SO3(g)

then dissolving the sulfur trioxide gas in water

SO3(g) + H2O(l) → H2SO4(l)

Calculate the mass of sulfuric acid produced if 1.25 g of sulfur is reacted as indicated in the above equations.

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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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

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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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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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.

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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Acetylene gas (C2H2) reacts with oxygen to form carbon dioxide (CO2) and water (H2O) through the following chemical reaction:

[tex]C_2H_2 + O_2 \rightarrow CO_2 + H_2O.[/tex]

When 30.0 grams of acetylene is reacted with O2, 18.5 grams of water is produced as a result of the reaction. The production of 18.5 grams of water from 30.0 grams of acetylene suggests that the reaction has proceeded to completion, with all of the acetylene being consumed and transformed into its products. The reaction is exothermic, meaning that it releases heat energy. This reaction is important in various industrial processes, including welding and cutting metal

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Q)- Acetylene gas (C2H2) reacts with oxygen to produce carbon dioxide and water. When 30. 0 g of acetylene is reacted with O2, 18. 5 g of water is formed What do you understand by this reaction?

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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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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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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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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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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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

Answer:

0.0415 M

Explanation:

To solve this problem, we need to use the ideal gas law to calculate the number of moles of CO2 formed, and then use stoichiometry to calculate the number of moles of HCl used in the reaction. Finally, we can calculate the molarity of the HCl solution using the volume and number of moles of HCl.

First, let's calculate the number of moles of CO2 formed:

PV = nRT

where P is the pressure in atm, V is the volume in L, n is the number of moles, R is the gas constant (0.08206 L·atm/K·mol), and T is the temperature in Kelvin.

We need to convert the volume of CO2 from mL to L, the temperature from Celsius to Kelvin, and the pressure from mmHg to atm:

V = 153.00 mL = 0.15300 L

T = 27.1 °C + 273.15 = 300.25 K

P = 772 mmHg / 760 mmHg/atm = 1.016 atm

Plugging in these values, we get:

n = PV/RT = (1.016 atm)(0.15300 L)/(0.08206 L·atm/K·mol)(300.25 K) ≈ 0.00627 mol CO2

According to the balanced chemical equation, the reaction between HCl and MgCO3 has a 1:1 stoichiometry, which means that the number of moles of HCl used in the reaction is also approximately 0.00627 mol.

The volume of HCl used is 151.10 mL, or 0.15110 L. Therefore, the molarity of the HCl solution is:

M = n/V = 0.00627 mol / 0.15110 L ≈ 0.0415 M

Therefore, the molarity of the HCl solution is approximately 0.0415 M.

The benedict's test is used to analysis the sugar sample. The correct choice for the limitations of the benedict's test are option(A) , (B), (C) and (E).

The Benedict test is a chemical analysis procedure that can be used to determine the reduced sugar content of a solution. Benedict's test is a qualitative test that distinguishes between reducing and non-reducing carbohydrates (sugars/saccharides). The limitations of the Benedict test include:

Therefore, the limitations of benedict's test are A,B, C, E.

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Complete question:

When testing for the presence of sugar, what are the limitations of the Benedict's test? (select all that apply)

A. It could not be used with intensely colored samples.

B. There is not a clear color change

C. You cannot tell which reducing sugar is present (i.e. glucose vs fructose vs maltose)

D. It cannot be used on a solid sample unless the sugars are extracted first

E. It doesn't detect sucrose and other non-reducing sugars, only small reducing sugars

F. You might burn your hand if you are not careful

The comparison to the theoretical mass percent of copper in copper(ii) sulfate pentahydrate was the experimental mass percent higher.

Thus, the correct answer is higher (B).

Copper sulfаte pentаhydrаte, expressed in chemicаl notаtion аs [tex]CuSO_{4}-5H_{2}O[/tex], represents а “hydrаte.” Hydrаtes consist of аn ionic substаnce, а compound comprised of а metаl аnd one or more nonmetаls, plus wаter molecules, where the wаter molecules аctuаlly integrаte themselves into the solid structure of the ionic compound. This meаns, however, thаt а 100-grаm sаmple of copper sulfаte pentаhydrаte does not consist of 100 grаms of copper sulfаte.

This meаns thаt а 100-grаm sаmple of copper sulfаte pentаhydrаte will contаin 61.08 grаms of copper sulfаte. It аlso meаns thаt copper sulfаte pentаhydrаte contаins 100 - 61.08 = 38.92 percent wаter by mаss.

Your options aren't well arranged, but most probably your options were

A. lower

B. higher

C. same

D. cannot be determined

Thus, B is the correct answer.

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The pressure of the tire at -10°C would be 220.64 kPa.

According to the pressure law, the pressure exerted by molecules of gases is directly proportional to the absolute temperature of the gases.

This is mathematically expressed as: P1/T1 = P2/T2

Where P1 and P2 are the initial and final pressure and T1 and T2 are the initial and final temperature of the gas.

In this case, P1 = 250 kPa, T1 =  25°C or 298K, and T2 = -10°C or 263K

P2 = P1 x T2/T1 = 250 x 263/298

                         = 220.64 kPa

In other words, the new pressure of the tire would be 220.64 kPa.

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Total 14.4 g of carbons are required produce 18.5 moles of methane, CH₄

C + 2H₂ ==> CH₄

molar mass, C = 12 g / mol

molar mass, H = 1 g / mol

molar mass, CH₄ = 12 + 4 = 16 g / mol

So,1.2 mol CH₄ x 1 mole C / mol CH₄ x 12 g C / mol C = 14.4 g C

A substance's molar mass is the mass that contains one mole of the substance. Simply put, it is the weight of one substance mole. Each substance's atomic mass is multiplied by the subscript of that element in the chemical formula to determine its molar mass.

An element's atomic mass expressed as g/mol is its characteristic molar mass. However, the atomic mass in amu can also be multiplied by the molar mass constant (1 g/mol) to obtain the molar mass. Add up all of the atomic masses of the individual atoms in a compound to get its molar mass.

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Answer: 1.90834 X 10 ^ 24

Explanation:

Molar mass Na2SO4 = 23x2+ 32+16X4

= 142g/mol

Mass of Na2SO4 = 450g

Moles of Na2SO4 = mass/ molar mass

= 450g/142g/mol = 3.170 mol

Avogadro's number = 6.02X 10 ^ 23/mol

Number of molecules = moles X avogadro's number

= 3.17 X 6.02X 10^ 23 = 1.90834 X 10 ^ 24 molecules

Therefore the number of molecules of Na2SO4 is1.90834 X 10 ^ 24

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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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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In order for rocks to be classified as igneous, the rocks must be  developed from molten lava.

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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The mass percentage of water in hydrated magnesium sulfate (MnSO4 . H2O) will be 10.6%.

Percentage mass: The percentage mass is the ratio of the mass of the element or the molecule in the given compound.

The percentage can be given as:

Percent Mass = Mass of molecule / total mass of compound x 100%

The mass of the water is 18.02 g/mole and the molar mass of hydrated magnesium sulfate (MnSO4 . H2O) will be 169.03 g/mol.

Thus, Percent Mass = 18.02 / 169.03 x 100%

Percent Mass = 10.6 %

Therefore, the mass percentage of water in hydrated magnesium sulfate (MnSO4 . H2O) will be 10.6%.

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--The given question is incomplete, the complete question is

"Calculate your experimentally determined percent mass of water in Manganese(II) sulfate monohydrate. Report your result to 2 or 3 significant figures, e. g. 9.8% or 10.2%."--

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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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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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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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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Concentration per unit mass may be used instead of volume. Therefore, 4.39M is the concentration of given solution.

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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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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