Multiple Choice
When propane (C_3H_8) burns in air, which form of energy is primarily converted to thermal energy?
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8. Thermochemistry
Nature of Energy
Multiple Choice
Which of the following is a primary method by which heat is transferred from one object to another?
A
Electrolysis
B
Conduction
C
Diffusion
D
Polymerization
Verified step by step guidance1
Understand that heat transfer between objects occurs mainly through three mechanisms: conduction, convection, and radiation.
Define conduction as the transfer of heat through direct contact between molecules in a solid or between objects touching each other.
Recognize that electrolysis is a chemical process involving the decomposition of substances by electric current, not related to heat transfer.
Know that diffusion refers to the movement of particles from high to low concentration, which is a mass transfer process, not heat transfer.
Identify polymerization as a chemical reaction forming polymers, unrelated to heat transfer mechanisms.
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