ENDOTHERMIC/EXOTHERMIC
Quiz by Susan Coffey
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10 questions
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- Q1In an exothermic reaction...energy is absorbed from the surroundings and the temperature increasesenergy is absorbed from the surroundings and the temperature of the surroundings decreasesenergy is released to the surroundings and the temperature of the surroundings increases30s
- Q2In an endothermic reaction...energy is released to the surroundings and the temperature of the surroundings increasesenergy is absorbed from the surroundings and the temperature of the surroundings decreasesenergy is absorbed from the surroundings and the temperature increases30s
- Q3When ammonium nitrate is added to water, an endothermic reaction occurs and..the temperature risesthe temperature of the reaction mixture fallsnothing changes30s
- Q4Is melting an endothermic reaction ?YesNomaybe30s
- Q5When freezing water to make ice, energy is released allowing the water molecules to come together and freeze. This is an example of what kind of reaction?endothermictemperatureexothermic30s
- Q6When water evaporates, heat is absorbed and used to turn the water into water vapor. This is an example of what kind of reaction?Endothermictemperature changeExothermic30s
- Q7When lighting a candle, heat is released in the form of a flame. This is an example of what kind of reaction?ExothermicEndothermicchange in temperature30s
- Q8Sara mixed water and calcium chloride. The reaction made the water turn cloudy. The temperature of the reaction went from 23 degrees C to 52 degrees C. The reaction is endothermic.TrueFalse30s
- Q9Definition of "endothermic reaction" is when a chemical reaction releases energy, usually in the form of heat.TrueFalse30s
- Q10The chemical change when a fuel burns can be described as--an endothermic reactionan exothermic reactiona reversible reaction30s