Union Carbide contended that the accident was the result of sabotage.
Union Carbide was a chemical company that was responsible for the 1984 Bhopal disaster, which was one of the worst industrial accidents in history. The disaster resulted in the release of toxic gas into the surrounding communities, causing widespread death and injury.
In the aftermath of the disaster, Union Carbide argued that the accident was the result of sabotage, claiming that someone intentionally introduced water into the tank containing the toxic gas, which caused the release of the gas. The company maintained this position for several years, despite significant evidence suggesting that the disaster was the result of poor safety practices, inadequate maintenance, and inadequate emergency planning.
However, this claim of sabotage was widely discredited, and Union Carbide eventually admitted that the disaster was the result of operational and design failures at the plant, including the lack of safety features and the inadequate training of employees.
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Which compounds do not have the same empirical formula?
a) C2H2, C6H6
b) CO, CO2
c) C2H4, C3H6
d) C2H4O2, C6H12O6
e) C2H5COOCH3, CH3CHO
CO, CO₂ compounds do not have the same empirical formula among the followings.
Option B is correct.
What exactly are empirical formulas?The chemical formula of a compound known as an empirical formula only reveals the ratios (proportions) of the elements that are contained within the compound and not the actual number or arrangement of atoms. This would be the element in the compound with the lowest whole number ratio.
The empirical formula, which is defined as the ratio of subscripts to the smallest possible whole number of the elements in the formula, is the simplest formula for a compound.
Why does empirical formula exist?Most of the time, the empirical formula is used to just show what elements are in a molecule. When someone wants to quickly see what they're dealing with, this is helpful. When determining the number of elemental atoms in a compound, the molecular formula is most useful.
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in a dilution problem, if you are solving for a final concentration (), it should be ____________ than the initial concentration ()
lower than. The moles per unit volume represent the concentration. Less moles exist in the same volume of the solution when it is diluted, resulting in a lower concentration.
Dilutions. The concentration of an aqueous solution falls when more water is added to it. This is due to the fact that while the total volume of the solution grows, the number of moles of the solute does not.
Dilution is the process in question. The following equation, M1V1 = M2V2, can be used to compare the concentrations and volumes before and after a dilution:
M1 and V1 stand for the molarity and volume of the initial concentrated solution, while M2 and V2 stand for the molarity and volume of the final diluted solution.
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Of the following factors, which will affect the rate of reaction?a)Eab)Keqc)ΔSd)ΔGe)Temperaturef)ΔH
a) Ea, e) Temperature, f) ΔH will affect the rate of reaction.
The rate of reaction is influenced by the temperature, enthalpy change, and activation energy (Ea). With a larger activation energy, the reaction will continue more slowly because it requires more energy to do it. As the temperature rises, the kinetic energy of the species that are reacting will rise as well, increasing the likelihood that they will collide and produce enough energy to overcome the activation energy and cause a reaction. A more exothermic reaction (with a larger negative H) will be more favourable and happen more quickly because the enthalpy change (H) is connected to the energy involved in breaking and creating bonds throughout the reaction.
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P
1.2 mol Zn and 5.5 mol HCl react according
to the equation
Zn + 2HCl → ZnCl₂ + H₂.
If the limiting reactant is Zn, calculate the
amount of ZnCl₂ formed.
Answer in units of mol. Answer in units of
mol.
outs
porad
mol.
******
002 (part 2 of 2) 10.0 points
Calculate the amount of H2₂ formed.
Answer in units of mol.
Taking into account the reaction stoichiometry, 1.2 moles of ZnCl₂ and 1.2 moles of H₂ are formed if 1.2 mol Zn and 5.5 mol HCl react and the limiting reactant is Zn.
Reaction stoichiometryThe balanced reaction is:
Zn + 2 HCl → ZnCl₂ + H₂
By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:
Zn: 1 moleHCl: 2 molesZnCl₂: 1 moleH₂: 1 moleMass of each product formedThe following rules of three can be applied, considering the limiting reactant:
if by reaction stoichiometry 1 mole of Zn form 1 mole of ZnCl₂, 1.2 moles of Zn form how many moles of ZnCl₂?
moles of ZnCl₂= (1.2 moles of Zn× 1 mole of ZnCl₂)÷ 1 mole of Zn
moles of ZnCl₂= 1.2 moles
if by reaction stoichiometry 1 mole of Zn form 1 mole of H₂, 1.2 moles of Zn form how many moles of H₂?
moles of H₂= (1.2 moles of Zn× 1 mole of H₂)÷ 1 mole of Zn
moles of H₂= 1.2 moles
Finally, 1.2 moles of ZnCl₂ and 1.2 moles of H₂ are formed.
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As concentration increases, a solution's vapor pressure______ and its osmotic pressure _________A. increases, increases B. increases, decreases C. decreases, increases D. decreases, decreases E. increases, stays the same
As concentration increases, a solution's vapor pressure decreases and its osmotic pressure increases. Hence, option A is correct.
What happens when concentration increases?Osmotic pressure of a solution is proportional to the molar concentration of solute particles in the solution and as soon as the solute molecules increases, osmotic pressure of solution increase.
When non-volatile solute is dissolved in volatile solvent, vapor pressure of the solvent is reduced. As concentration of the solute increases, then the vapor pressure of the solvent decreases.
Po = pgh= psp log ; where Po is osmotic pressure corresponding to a solution at the bottom of column and solvent pressure p, p is mean density of the column, h is its height.
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how does the citric acid cycle produce most of the energy used by the cell. explain how this is possible.
The cycle begins with the conversion of the molecule acetyl-CoA into citrate molecules.
After this, a series of eight enzyme-catalyzed reactions occur, which result in the production of two molecules of carbon dioxide, one molecule of NADH and FADH2, one molecule of ATP, and one molecule of the intermediate compound oxaloacetate. The NADH and FADH2 molecules are then used in the electron transport chain, which produces a large amount of ATP. This ATP is used to power a variety of cellular processes, such as protein synthesis, cell growth, and transport of molecules across the cell membrane.
The cycle continues by reconverting the oxaloacetate back into acetyl-CoA so that the cycle can begin again. This cycle is able to produce large amounts of energy due to the multiple electron carriers and the efficient use of energy in each step of the cycle.
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Which of the following statements are true of chemical reactions?
a. In a synthesis reaction, bonds are formed.
b. The body's chemical reactions take place in water.
c. Synthesis reactions are directly necessary for energy release from food.
d. In a decomposition reaction, bonds are broken.
e. Digestion of food involves decomposition reactions.
f. The ionization of a molecule of sodium chloride is a synthesis reaction.
Answer: the answers are A, B, D, E, and F
How do we use this percent composition in our daily lives?
Answer: you could use it for sceinstest stuff hom someting broke down
Explanation:
Each orbital has a limit of electrons that can fill it, here's what's right
answer choices
s = 2 , p = 6, d = 8, f = 10
s = 2 , p = 6, d = 10, f = 12
s = 3 , p = 6, d = 10, f = 14
s = 2 , p = 6, d = 10, f = 14
According to the question, each orbital has a limit of electrons that can fill it in the following way s = 2 , p = 6, d = 10, f = 14
Who or what is an electron?A negatively charged atom known as an electron can either be free or attached to an atoms (not bound). One of the three principal kinds of particles within an atom is an electron that is linked to it; the other two are quarks and neutrons.
What are an electron and also an ion?For the time being, let's just agree that Ionic is a hybrid application framework that enables us to create software products using the most recent web technologies, such as HTML5, CSS, plus Javascript. Additionally, Github's framework for creating bridge desktop applications utilizing the most recent web technologies is called Electron.
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Select the correct net ionic equation for the ionic equation given below. Ca(s) + 2H+ (aq) + 2Cr (aq) + Ca(aq) + H2(g) + 2Cl(aq) Click the answer you think is right. A. Ca(s) + 2Cr (aq) → Ca?"(aq) + 2Cl(aq) B. Ca(s) + 2H" (aq) → Ca" (aq) + H (9) C. There is no net ionic equation. D. 2H(aq) → H,9)
The correct net ionic equation for the ionic equation given below is Ca(s) + 2Cr (aq) → Ca"(aq) + 2Cl(aq).
What is the equation ?The equation is a mathematical statement that shows the relationship between different values. It usually consists of an equal sign (=) and two or more variables that are related to each other. The variables can be numbers, symbols or other mathematical objects. By manipulating the equation, different values can be found for the variables involved. Equations are used to describe many different physical concepts, such as motion, force, energy, and chemical reactions.They can also be used to solve problems in fields such as economics, engineering, and mathematics.
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Referring to the figure, select whether each statement below is true or false. ((Given))
1) Resting potential is generated mainly by the outward movement of K+ ions from inside the cell.
2) The voltage changes shown in the figure are measured just across the plasma membrane
3) The changes in voltage seen at #2 and #4 in the figure are caused by similar movements, in the same direction, of the same types of ions across the membranes.
4) The trace in the figure is following the voltage change as it moves down the axon.
5) The voltage change shown in the figure is an all-or-nothing response.
1) Resting potential is generated mainly by the outward movement of K+ ions from inside the cell. (True)
2) The voltage changes shown in the figure are measured just across the plasma membrane (True)
3) The changes in voltage seen at #2 and #4 in the figure are caused by similar movements, in the same direction, of the same types of ions across the membranes.(false)
4) The trace in the figure is following the voltage change as it moves down the axon. (false)
5) The voltage change shown in the figure is an all-or-nothing response. (True)
Definition of Electric VoltageElectric Voltage is the amount of energy needed to move a unit of electric charge from one place to another. The electric voltage expressed in volts is also often referred to as the electric potential difference because basically the electric voltage is a measure of the potential difference between two points in an electric circuit.
An object is said to have a higher electric potential than other objects because the object has a greater amount of positive charge than the number of positive charges on other objects. While what is meant by electric potential itself is the amount of charge contained in an object.
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when does the kinetic molecular theoyr break
One of the postulates of the kinetic molecular theory that fails at low temperatures is the assertion that there are no attractive or repulsive forces between the gas particles.
For beginners, what is kinetic molecular theory?According to the kinetic molecular theory, collisions between gas particles occur in perfect elastic motion and are always in motion. Boyle's and Charles's laws can both be explained by the kinetic molecular theory. Only absolute temperature directly affects a group of gas particle's average kinetic energy.
What are KMT's two fallacious presumptions?A gas's molecules do not interact with one another in an attractive or repelling manner. The volume of a gas's molecules is quite little in comparison to the void that exists between them.
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how many grams in a mg
In the metric system, a milligram equals one gram. a unit being used measuring systems to express weight and mass.
How would a gram have weight or mass?Not weight but mass is measured in milligrams. Mass would be a measurement of how much matter an object contains, whereas weight relates to the earth's gravitational pull on it. Knowing an object's mass is essential since it allows you to determine how so much effort will be needed to move it.
What dimensions does a gram have?A gram is a unit of mass equal to one thousandth of a kilogram, or roughly the amount of one cubic millimeter of water.
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where does desalinated water originally come from?
how many molecular orbitals would be obtained by combining three atomic p orbitals? provide a specific neutral compound where this is relevant. (hint: it will have 3 contiguous sp2 atoms).
4 hybrid sp3 orbitals
Four sp3 hybrid orbitals emerge from the hybridization of a s orbital with each of the three p orbitals (px, py, and pz).
The binding angle between the sp3 hybrid orbitals is 109.5 degrees. Tetrahedral molecular structure can be explained via sp3 hybridization. It produces four sp3 orbitals, each of which is made up of 75% p character and 25% s character, by the hybridization of the two 2s orbitals and all three of the two 2p orbitals. We shall use carbon as an example because of how important it is to organic chemistry. The three 2p orbitals and the two 2s orbitals of carbon combine to generate four sp3 orbitals. Following an sp3-s orbital overlap, these orbitals join with four hydrogen atoms to form methane. The outcome shape is tetrahedral, since that minimizes electron repulsion.
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Suppose you are hiking through the woods and see many flowers of different colors, shapes, and sizes. You decide to create a taxonomic key to help you identify the flowers. What
characteristics would you include in the key?
A 5. 00-cm cube of magnesium has a mass of 217. 501 g. What is the density of magnesium metal?
densitydensity is the mass per unit volume. It is given by the formula; [tex]Density=\frac{mass}{volume}[/tex] . The density of given magnesium metal is 43.5002[tex]g/cm^{3}[/tex].
Use the following formula to calculate magnesium density: -[tex]P=\frac{m}{v}[/tex] ( where, p represents the density of the object, m represents the mass of the object and v represents volume of the object) ( where, p represents the density of the object, m represents the mass of the object and v represents volume of the object).
Substitute the following values into the formula: m=217.501g, v=5.00cm3, and p=x.
By plugging the values into the formula, we get: x= 217.501/5.00= 43.5002[tex]g/cm^{3}[/tex].
As a result, the density of the given magnesium metal is 43.5002g/cm3.
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calculate the molarity of 2.00 l of solution that contains 200.0 g of naoh
The molarity of the solution that contains 200.0 g of naoh is 5.00 mol / 2.00 L = 2.50 M.
The molarity of a solution can be calculated by dividing the number of moles of solute by the volume of solution in liters. To find the number of moles of NaOH, we first need to find its molar mass:
NaOH = Na (23 g/mol) + O (16 g/mol) + H (1 g/mol) = 40 g/mol
So, 200.0 g of NaOH is equal to 200.0 g / 40 g/mol = 5.00 mol of NaOH
And the molarity of the solution is 5.00 mol / 2.00 L = 2.50 M.
The molarity of a solution is the number of moles of solute present in 1 liter of the solution. To calculate the molarity of a solution, divide the number of grams of solute by the molar mass of the solute and then divide that by the volume of the solution in liters. In this case, divide 200.0 g of NaOH by its molar mass, divide the result by 2.00 L to find the molarity.
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How much 350 mM Tris is needed to make 2 liters of a 0.1 M solution? How much water?
Tris=121g/mol
The 350 mM Tris is needed to make the 2 liters of the 0.1 M solution, The volume of the water is 0.571 L.
The initial molarity , M1 = 350 mM = 0.350 M
The final molarity , M2 = 0.1 M
The final volume , V2 = 2 L
The initial volume , V1 = ?
The expression is :
M1 V1 = M2 V2
Where ,
M1 = 0.350 M
M2 = 0.1 M
V1 = ?
V2 = 2 L
V1 = M2 V2 / M1
V1 = ( 0.1 × 2 ) / 0.350
V1 = 0.571 L
Thus, the volume of the Tris is 0.571 L.
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what is the highlighted 2 in this portion of a chemical reaction called? 3h20 T/F
The highlighted "2" in this portion of a chemical reaction is the coefficient of the molecule, indicating the number of molecules present in the reaction.
The coefficient is used to balance chemical reactions and ensure that the number of atoms of each element remains constant before and after the reaction.
A chemical reaction is a process that results in the transformation of one set of chemical substances into another. It involves the rearrangement of atoms and the formation and breaking of chemical bonds. Chemical reactions can be represented using chemical equations, which indicate the reactants (the starting substances) on the left side and the products (the resulting substances) on the right side, separated by an arrow.
The rate of a chemical reaction depends on several factors, including the concentration of the reactants, the presence of a catalyst, and the temperature. Understanding chemical reactions is important in many areas of chemistry, including the design of new materials, the development of new energy sources, and the understanding of biological processes.
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Atoms of the same element that contain different numbers of neutrons are called _____.
Isotopes.
Atoms of the same element that have different numbers of neutrons but the same number of protons are called Isotopes.
What is the boiling point of CH4?
The boiling point of CH4 is −162 °C
What is boiling point?
The temperature at which a liquid's vapor pressure equals the pressure of the gas above it is known as the boiling point of the liquid. The temperature at which a liquid's vapor pressure equals one atmosphere is known as the typical boiling point of that substance.
At the same concentration, ionic solutes raise the boiling point more than nonionic solutes do. One of the collective properties is boiling point elevation. Only the quantity of particles in the solution is relevant. Because the intermolecular forces of attraction between methane molecules are so minimal, it has a low boiling point.
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What is the proper way to bring the temperature on lab thermometers down?
The proper way to bring the temperature on lab thermometers down is to shake the thermometer to lower the temperature.
How to lower the temperature on the lab thermometer?Swing the thermometer back and forth by grabbing it at the end farthest from the tip.
Make sure it falls below the average body temperature, which is 96.8 °F (36.0 °C), at the very least.
This way you have successfully lowered the temperature of the thermometer as it is now below the body temperature of a human, on the average.
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If 4. 52g of the precipitate is formed, how many grams of sodium chloride reacted?
If 4. 52g of the precipitate is formed, there would be 1.8 grams of sodium chloride reacted.
First we should write the balance reaction
AgNO₃(aq)+NaCl(aq)→AgCl(s)⏐↓+NaNO₃(aq)
We can observe that there is a 1:1 reaction. As a result, producing 1 mole of the precipitate from 1 mole of sodium chloride (AgCl).
In this case,
we should find the moles of sodium chloride used by dividing the mass by the mass molar of sodium chloride.
Precipitate formed in terms of moles: 4.52g/143.32 g/mol
The amount of precipitate that produced was 0.0315 moles.
Thus, 0.0315 moles of NaCl and 0.0315 moles of precipitate were generated.
Therefore NaCl reaction mass is 0.0315 moles times 58.5 g/mol, or 1.8 g.
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sand and other granular materials, definitely flow; that is, they can be poured from a contrainer or a hopper. is sand a fluid
No, sand is not a fluid.
Fluids are materials that can flow and take the shape of their container. They have a definite volume but not a definite shape. On the other hand, solids have a definite shape and volume. Sand and other granular materials have both the characteristics of solids and fluids. This is why they are often referred to as "granular solids".
When granular solids are poured from a container, they tend to flow like a fluid due to the interparticle forces acting between the grains. However, when the grains come to rest, they will form a solid pile with a definite shape. So, while sand and other granular materials can behave like fluids, they are still considered solids.
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melanie needs to mix a 10% acid solution with a 60% acid solution to create 100 milliliters of a 45% solution. how many milliliters of each solution must melanie use?
70 ml of 10% of fungicide solution to be mixed with,30 ml of 60% of fungicide solution to get 100 ml,of 25% of fungicide solution.
A fungicide solution is what?Pesticides known as fungicides work to eradicate or stop the development of fungi & their spores.They are effective against rusts, mildews, and other plant-damaging fungi.They could also be applied elsewhere to manage mold and mildew.
What fungicide is the most effective?According to Mueller, the most popular class of fungicides worldwide is the triazole family.These locally systemically fungicides are not absorbed by the leaf but rather travel up and down the plant.Triazole pesticides (Folicur, Domark) block an enzyme involved in the formation of fungal sterol.
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What is the molar mass
of the element
magnesium, Mg?
[?]
g
/
mol
The molar mass of magnesium is 24g/mol. The mass with one mole of a chemical in grams is known as its molar mass.
What is molar mass?The mass with one mole of a chemical in grams is known as its molar mass and molecular mass. The term can also mean "mass per mole." The total mass of the atoms in one mole of a material is its molar mass.
Grams/mol is the measurement of molar mass. A mole of any material (atoms, molecules, etc.) has a standard value of 6.023 1023 units, which is the unit used as a reference in chemistry. It is sometimes referred to as Avogadro's number and is denoted by the symbol NA. A key formula inside the mole notion is molar mass. The molar mass of magnesium is 24g/mol.
Therefore, the molar mass of magnesium is 24g/mol.
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what type of water has higher concentration of solutes compared to inside the cell
In comparison to the solute concentration inside cells, a hypotonic has a larger solute concentration. Red blood cells should never be placed in hypertonic solutions.
What do blood cells do?The major job of the red blood cell is to transport oxygen from our lungs and distribute it all throughout our body. Additionally, red blood cells carry wastes like atmospheric co2 back to the lungs for exhalation. Hemoglobin is a protein found in red blood cells that allows them to transport oxygen.
What kind of blood cells are crucial?From our lungs, red blood cells transport oxygen to the rest of their systems. The carbon dioxide is then transported back to our lungs, where it is expelled.
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A biohazard is a toxic or infectious agent posing a threat to humans or the environment.
Yes, that's correct. Biohazards refer to biological substances or organisms that can cause harm to human health, the environment or the ecosystem.
A biohazard refers to a natural substance or organic entity that represents a danger to human wellbeing or the climate. This can incorporate microorganisms like microbes, infections, parasites, and poisons, and can be tracked down in clinical offices, research centers, or in nature. Biohazards can possibly cause infection and mischief, making appropriate dealing with, stockpiling, and removal essential to limit openness and transmission. Inability to appropriately oversee biohazards can prompt serious wellbeing ramifications for people and damage to the climate. It's critical to keep laid out conventions and rules for dealing with and discarding biohazards to forestall their spread.
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Which properties can be used to determine whether a substance is a liquid or a plasma?.
The properties can be used to determine whether a substance is a liquid or a plasma are: temperature, electron density, pressure, magnetic field, conductivity.
What is plasma?
Plasma is a state of matter consisting of charged particles, such as electrons, protons, and ions, that are held together by an electric field. It can be created in a laboratory or exist naturally in interstellar space, the Earth's atmosphere, and the Sun. Plasma is often referred to as the fourth state of matter, since it is different from the traditional three states of matter: solid, liquid and gas. Plasma has unique properties, such as being able to conduct electricity, which can be used to generate electricity in devices such as televisions and fluorescent lights.
If the temperature of a substance is high enough, it can exist as a plasma. Plasmas have much higher electron density than liquids. Plasmas are typically formed under high pressure, while liquids are formed under low pressure. Plasmas typically contain charged particles that can be affected by a magnetic field. Plasmas are typically better electrical conductors than liquids.
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