7- In the following reaction, what is equal to the rate of production of NO gas? 4NH3(g) + 5O₂(g) → 4NO(g) + 6H₂O(g) a. the rate of production of NH3 gas b. one third the rate of production of water c. four fifths the rate of disappearance of O₂ gas d. one quarter the rate of disappearance of NH3 gas e. six times the production of water vapour 8- In the following reaction, butane is consumed at the rate of 0.0333 mol/(L.s). Determine the rate at which CO2 is produced. C4H10(g) + O2(g) → 4CO2(g) + 5H2O(g) a. 0.008 25 mol/(L.s) b. 0.0165 mol/(Los) c. 0.0333 mol/(L.s) e. 0.133 mol/(L.s) d. 0.0667 mol/(L.s) 9- Which statement about the factors that affect reaction rates is false? a. Decreasing the concentrations of the reacting particles decreases the chance of collision. b. A collision with poor orientation requires a higher activation energy than a collision with optimum orientation. c. Increasing the pressure in a gaseous reaction increases the chance of collision. d. A reaction occurs every time particles of the reactants collide. e. Increasing the temperature increases the reaction rate. 10- a calorimeter is based on two principles a. Energy cannot be created or destroyed; heat flows from a hot object to a cold one. b. Energy cannot be created or destroyed; heat flows from a cold object to a hot object. c. Energy cannot be created or destroyed; mass will not be lost in a chemical reaction d. Energy is conserved without any flow of energy. e. Energy is not conserved and is always changing.
7- In the following reaction, what is equal to the rate of production of NO gas? 4NH3(g) + 5O₂(g) → 4NO(g) + 6H₂O(g) a. the rate of production of NH3 gas b. one third the rate of production of water c. four fifths the rate of disappearance of O₂ gas d. one quarter the rate of disappearance of NH3 gas e. six times the production of water vapour 8- In the following reaction, butane is consumed at the rate of 0.0333 mol/(L.s). Determine the rate at which CO2 is produced. C4H10(g) + O2(g) → 4CO2(g) + 5H2O(g) a. 0.008 25 mol/(L.s) b. 0.0165 mol/(Los) c. 0.0333 mol/(L.s) e. 0.133 mol/(L.s) d. 0.0667 mol/(L.s) 9- Which statement about the factors that affect reaction rates is false? a. Decreasing the concentrations of the reacting particles decreases the chance of collision. b. A collision with poor orientation requires a higher activation energy than a collision with optimum orientation. c. Increasing the pressure in a gaseous reaction increases the chance of collision. d. A reaction occurs every time particles of the reactants collide. e. Increasing the temperature increases the reaction rate. 10- a calorimeter is based on two principles a. Energy cannot be created or destroyed; heat flows from a hot object to a cold one. b. Energy cannot be created or destroyed; heat flows from a cold object to a hot object. c. Energy cannot be created or destroyed; mass will not be lost in a chemical reaction d. Energy is conserved without any flow of energy. e. Energy is not conserved and is always changing.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:7- In the following reaction, what is equal to the rate of production of NO gas?
4NH3(g) + 5O2(g) →→ 4NO(g) + 6H₂O(g)
a. the rate of production of NH3 gas
b. one third the rate of production of water
c. four fifths the rate of disappearance of O₂ gas
d. one quarter the rate of disappearance of NH3 gas
e. six times the production of water vapour
8- In the following reaction, butane is consumed at the rate of 0.0333 mol/(L.s). Determine the
rate at which CO2 is produced.
C4H10(g) + O2(g) → 4CO2(g) + 5H2O(g)
a. 0.008 25 mol/(L.s)
b. 0.0165 mol/(Los) c. 0.0333 mol/(Los)
e. 0.133 mol/(L.s)
d. 0.0667 mol/(L.s)
9- Which statement about the factors that affect reaction rates is false?
a. Decreasing the concentrations of the reacting particles decreases the chance of collision.
b. A collision with poor orientation requires a higher activation energy than a collision with
optimum orientation.
c. Increasing the pressure in a gaseous reaction increases the chance of collision.
d. A reaction occurs every time particles of the reactants collide.
e. Increasing the temperature increases the reaction rate.
10- a calorimeter is based on two principles
a. Energy cannot be created or destroyed; heat flows from a hot object to a cold one.
b. Energy cannot be created or destroyed; heat flows from a cold object to a hot object.
c. Energy cannot be created or destroyed; mass will not be lost in a chemical reaction
d. Energy is conserved without any flow of energy.
e. Energy is not conserved and is always changing.
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