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Mark the correct answer 5. The generation of heat by chemical reaction is due to a) heat input that increases the internal energy of the reactants b) the change of phases from solids to liquids or gases during the reaction. c) the enthalpy change of the system d) the high thermal conductivity of the reagents 6. The material balance for a substance in a system The generation-consumption term a) It is considered when the reaction is homogeneous and takes place within the system b) appears when the chemical reaction is heterogeneous c) is practically zero since reaction rates are always slow d) is always zero, because matter cannot be created or destroyed

Mark the correct answer 5. The generation of heat by chemical reaction is due to a) heat input that increases the internal energy of the reactants b) the change of phases from solids to liquids or gases during the reaction. c) the enthalpy change of the system d) the high thermal conductivity of the reagents 6. The material balance for a substance in a system The generation-consumption term a) It is considered when the reaction is homogeneous and takes place within the system b) appears when the chemical reaction is heterogeneous c) is practically zero since reaction rates are always slow d) is always zero, because matter cannot be created or destroyed

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter9: Energy And Chemistry
Section: Chapter Questions
Problem 9.90PAE: 9.90 Many engineering designs must incorporate ways to dissipate energy in the form of heat. Water...
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Mark the correct answer

5. The generation of heat by chemical reaction is due to

a) heat input that increases the internal energy of the reactants

b) the change of phases from solids to liquids or gases during the reaction.

c) the enthalpy change of the system

d) the high thermal conductivity of the reagents

6. The material balance for a substance in a system The generation-consumption term

a) It is considered when the reaction is homogeneous and takes place within the system

b) appears when the chemical reaction is heterogeneous

c) is practically zero since reaction rates are always slow

d) is always zero, because matter cannot be created or destroyed

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