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Questions and Answers
What type of reaction involves the release of energy?
What type of reaction involves the release of energy?
- Thermochemical
- Exothermic (correct)
- Thermodynamic
- Endothermic
What is the term for the flow of energy from a higher temperature to a lower temperature?
What is the term for the flow of energy from a higher temperature to a lower temperature?
- Thermal equilibrium
- Heat
- Internal energy
- Heat transfer (correct)
Which of the following is an example of an endothermic reaction?
Which of the following is an example of an endothermic reaction?
- Rusting of iron
- Burning logs
- Melting ice (correct)
- Combustion process
What is the study of heat and temperature and their relation to other forms of energy called?
What is the study of heat and temperature and their relation to other forms of energy called?
What is the opposite of thermal equilibrium?
What is the opposite of thermal equilibrium?
What is the change in enthalpy represented by?
What is the change in enthalpy represented by?
What is the result of heat transfer in a system when it reaches thermal equilibrium?
What is the result of heat transfer in a system when it reaches thermal equilibrium?
What is the relation between heat and work in thermodynamics?
What is the relation between heat and work in thermodynamics?
What type of reaction is represented by the process of freezing water into ice?
What type of reaction is represented by the process of freezing water into ice?
What is the application of exothermic and endothermic reactions in instant cold and hot packs?
What is the application of exothermic and endothermic reactions in instant cold and hot packs?
What is the direction of heat transfer?
What is the direction of heat transfer?
What is the significance of ΔH in a reaction?
What is the significance of ΔH in a reaction?
What type of reaction is represented by the process of photosynthesis?
What type of reaction is represented by the process of photosynthesis?
What is the term for the internal energy of a system?
What is the term for the internal energy of a system?
What happens to the energy during an exothermic reaction?
What happens to the energy during an exothermic reaction?
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