The label on a two-pack of Reese's Peanut Butter® cups lists 260 Calories (kcal) of stored chemical energy.What is this energy in kilojoules?
A) 0.062
B) 62
C) 1,100
D) 0.016
Correct Answer:
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Q1: How much heat is required to raise
Q2: Which process is exothermic?
A) melting
B) boiling
C) evaporating
D)
Q3: The label on a York Peppermint Patty®
Q4: The mixture of gas and air inside
Q6: How much heat is required to raise
Q7: Which process is endothermic?
A) melting
B) boiling
C) evaporating
D)
Q8: Chemists measure heat changes in reactions using
Q9: The signs of q and w for
Q10: Changes in energy can take place in
Q11: A sample of ammonium chloride dissolves in
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