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Introduction to Thermochemistry
Quiz by Ebonee Wheeler
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7 questions
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- Q1What is thermochemistry?The study of temperature changes in chemical reactionsThe study of chemical bondingThe study of the energy changes that accompany chemical reactionsThe study of molecular structure30s
- Q2What is the difference between exothermic and endothermic reactions?Exothermic reactions involve the breaking of chemical bonds, while endothermic reactions involve the formation of chemical bondsExothermic reactions occur spontaneously, while endothermic reactions require an input of energy to occurExothermic reactions absorb heat, while endothermic reactions release heatExothermic reactions release heat, while endothermic reactions absorb heat30s
- Q3What is the difference between heat and temperature?Heat is the measure of the average kinetic energy of particles in a substance, while temperature is the transfer of energy due to a temperature differenceHeat is the transfer of energy due to a temperature difference, while temperature is a measure of the average kinetic energy of particles in a substanceHeat and temperature are both measures of the amount of energy contained in a substanceHeat and temperature are the same thing30s
- Q4What is the difference between a system and a surroundings?A system and surroundings are the same thingA system is a closed container, while the surroundings are the open airA system is the part of the universe being studied, while the surroundings are everything outside the systemA system is everything outside the surroundings, while the surroundings are what is being studied30s
- Q5Which of the following is an example of an exothermic reaction?Boiling waterMelting iceMixing baking soda and vinegarBurning wood30s
- Q6In an exothermic reaction, the products have ________________ energy than the reactants.LessIt depends on the specific reactionThe sameMore30s
- Q7In an endothermic reaction, the products have ________________ energy than the reactants.The sameMoreLessIt depends on the specific reaction30s