Homework Answers
Add Answer to:
Unit 2: Chemical Kinetics Assignment 1. Explain why the rate of a chemical reaction increases as...
(6.4) The rate of a chemical reaction increases with an increase in the concentration of one...
(6.4) The rate of a chemical reaction increases with an increase in the concentration of one or more reactants. This is best explained by which statement? Select one: a. The higher concentration of reactants increases the activation energy of the reaction. Ob. The higher concentration of reactants increases the potential energy of the molecules. c. The higher concentration of reactants increases the frequency of collisions between molecules. d. The higher concentration of reactants increases the temperature of the molecules. Check...
CHEMICAL KINETICS ch 20-13. Consider the gas reaction retween the start of reaction and Time 1....
CHEMICAL KINETICS ch 20-13. Consider the gas reaction retween the start of reaction and Time 1. tus rhasgos io concestration of reactants and products Time Which event is most likely to have occurred at Time 1? (A) addition of X (B) addition of Y (C) addition of Z (D) removal of Y (E) removal of Z 20. 21. Which gives the rate of changes in concentrations that occur as the reaction proceeds from Time 1 to Time 2? TYl decreases...
6. Consider the equation: 2NO2(g) → N2(g) +202() What effect will the following changes have on the reaction rate (...
6. Consider the equation: 2NO2(g) → N2(g) +202() What effect will the following changes have on the reaction rate (increase or decrease)? a) The temperature is decreased from 800 K to 300 K? b) A catalyst is added c) The concentration of NO2 gas is doubled. True or False A reaction with larger Eact will proceed faster Raising the temperature of a reaction increases the rate of a reaction Catalysts increase the rate of a reaction by increasing the number...
2. Kinetics of an Oscillating Reaction Oscillating reactions are a special kind of chemical reactions and are characterized by an elementary reaction in which at least one of the reactant is also...
2. Kinetics of an Oscillating Reaction Oscillating reactions are a special kind of chemical reactions and are characterized by an elementary reaction in which at least one of the reactant is also a product. An example of a series of elementary reactions of an oscilating reaction is below: ka (a) Identify the autocatalytic reacton i.e, a reaction in which the products and reactants share atleast one common ingredient) (b) Identify the reactants, intermediates, and products for the overall reaction described...
Question 1. For a hypothetical chemical reaction: 2 A ( g ) + 2 B (...
Question 1. For a hypothetical chemical reaction: 2 A ( g ) + 2 B ( g ) ⟶ p r o d u c t s the rate law is first order with respect to [A] and second order with respect to [B]. If the rate of this reaction at a specific temperature was 4.1 x 10-2 M/s when the [A] = 1.2 M and [B] = 1.5 x 10-2 M, what is the rate constant (k) with the...
1. which of the factors that affect chemical reaction rates explains why milk spoils slower when...
1. which of the factors that affect chemical reaction rates explains why milk spoils slower when stored in the refrigerator? a. ctalyst b. temperature c. Concentration d. Surface area 2, The arte of a chemical increases with increasing concentrations of reactants because reactant molecules move faster when they are more concentrated a. True b. False
1-The rate constant of a chemical reaction was measured at several temperature values and a plot...
1-The rate constant of a chemical reaction was measured at several temperature values and a plot of ln k (on the y-axis) was plotted against 1/T (on the x-axis, temperature was measured in Kelvin). If the slope of the plot was -9.21 x 103 K and the y-intercept was 13.0, what is the activation energy (EA) of the reaction in kJ mol-1? 2-In an enzyme-catalyzed reaction, the rate of the reaction depends on which of the following at very low...
1. What is AG at 25 °C (298 K) for the reaction below? Show your answer...
1. What is AG at 25 °C (298 K) for the reaction below? Show your answer with four significant figures Cs) + 026) CO268 AH=-393.5 kJ/mol AS=0.0029 kJ/mol K 2. A certain reaction has AH = 10.3 kJ/mol and AS = 42.7J/K-mol. Calculate AG in kJ/mol at 338 K. Show your answer with four significant figures 3. Consider the following potential energy diagram that represents two different reactions. Which reaction is spontaneous? Which reaction is faster? Reaction A Reaction B...
Chemical Equilibrium and Chemical Kinetics < 17 of 17 > - Part 8 For a different...
Chemical Equilibrium and Chemical Kinetics < 17 of 17 > - Part 8 For a different reaction K kr. after adding catalyst? -473-10% ky 8.38 x 10's and k 1 77-10-2 !Adding a catalyst increases the forward rate constant to 3 52 10 ! What is the new value of the reverse reaction constant Express your answer with the appropriate units. Include explicit multiplication within units, for example to enter M x include multiplication dot) between each measurement. View Available...
An decrease in temperature increases the reaction rate because temperature affects the equilibrium constant of the...
An decrease in temperature increases the reaction rate because temperature affects the equilibrium constant of the reaction a smaller fraction of the collisions have the correct orientation of molecules. the activation energy of the reaction will decrease. less collisions will have enough energy to exceed the activation energy. the activation energy of the reaction will increase. The equilibrium constant, K_p, for the reaction H_2(g) + I_2(g) doubleheadarrow 2HI(g) is 10.0 at 450 degree C. A rigid cylinder at that temperature...
(6.4) The rate of a chemical reaction increases with an increase in the concentration of one or more reactants. This is best explained by which statement? Select one: a. The higher concentration of reactants increases the activation energy of the reaction. Ob. The higher concentration of reactants increases the potential energy of the molecules. c. The higher concentration of reactants increases the frequency of collisions between molecules. d. The higher concentration of reactants increases the temperature of the molecules. Check...
CHEMICAL KINETICS ch 20-13. Consider the gas reaction retween the start of reaction and Time 1. tus rhasgos io concestration of reactants and products Time Which event is most likely to have occurred at Time 1? (A) addition of X (B) addition of Y (C) addition of Z (D) removal of Y (E) removal of Z 20. 21. Which gives the rate of changes in concentrations that occur as the reaction proceeds from Time 1 to Time 2? TYl decreases...
6. Consider the equation: 2NO2(g) → N2(g) +202() What effect will the following changes have on the reaction rate (increase or decrease)? a) The temperature is decreased from 800 K to 300 K? b) A catalyst is added c) The concentration of NO2 gas is doubled. True or False A reaction with larger Eact will proceed faster Raising the temperature of a reaction increases the rate of a reaction Catalysts increase the rate of a reaction by increasing the number...
2. Kinetics of an Oscillating Reaction Oscillating reactions are a special kind of chemical reactions and are characterized by an elementary reaction in which at least one of the reactant is also a product. An example of a series of elementary reactions of an oscilating reaction is below: ka (a) Identify the autocatalytic reacton i.e, a reaction in which the products and reactants share atleast one common ingredient) (b) Identify the reactants, intermediates, and products for the overall reaction described...
1. What is AG at 25 °C (298 K) for the reaction below? Show your answer with four significant figures Cs) + 026) CO268 AH=-393.5 kJ/mol AS=0.0029 kJ/mol K 2. A certain reaction has AH = 10.3 kJ/mol and AS = 42.7J/K-mol. Calculate AG in kJ/mol at 338 K. Show your answer with four significant figures 3. Consider the following potential energy diagram that represents two different reactions. Which reaction is spontaneous? Which reaction is faster? Reaction A Reaction B...
Chemical Equilibrium and Chemical Kinetics < 17 of 17 > - Part 8 For a different reaction K kr. after adding catalyst? -473-10% ky 8.38 x 10's and k 1 77-10-2 !Adding a catalyst increases the forward rate constant to 3 52 10 ! What is the new value of the reverse reaction constant Express your answer with the appropriate units. Include explicit multiplication within units, for example to enter M x include multiplication dot) between each measurement. View Available...
An decrease in temperature increases the reaction rate because temperature affects the equilibrium constant of the reaction a smaller fraction of the collisions have the correct orientation of molecules. the activation energy of the reaction will decrease. less collisions will have enough energy to exceed the activation energy. the activation energy of the reaction will increase. The equilibrium constant, K_p, for the reaction H_2(g) + I_2(g) doubleheadarrow 2HI(g) is 10.0 at 450 degree C. A rigid cylinder at that temperature...
Most questions answered within 3 hours.
-
What is happening to the electron in the tube to make it deflect
more when Vd...
asked 7 minutes ago -
You start with 23.00g of aluminum and 55.00g of NH4ClO4. What is
the limiting reagent? 10Al(s)...
asked 13 minutes ago -
Find the errors in following program.
//This program uses a switch statement to assign a
//...
asked 15 minutes ago -
The mass structure of a spiral galaxy may be determined by
measurement of its___________ ________________
asked 24 minutes ago -
How do you define corrupt power? Lord Acton, a British historian
of the late 19th century,...
asked 21 minutes ago -
1. If demand deceases and supply remains constant, what happens
to the market equilibrium?
A. Quantity...
asked 28 minutes ago -
A ball of mass 81 kg is dropped from a height of 22 m. What is...
asked 28 minutes ago -
There are 3 golden retrievers, 2 dachshunds, and 4 chocolate
labs in a kennel. Two dogs...
asked 45 minutes ago -
When a fixture of real property is physically detached from the
real property, it is known...
asked 42 minutes ago -
Imagine you are driving around a horizontal circular track (such
as a roundabout at an intersection...
asked 59 minutes ago -
Draw the structures that correspond to the following names.
Correct any names that are not in...
asked 1 hour ago -
Do elephants and cows present an interesting dichotomy when
viewed from the perspective of property rights?
asked 1 hour ago