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Endothermic And Exothermic Reactions
Test Description: Endothermic or Exothermic I
Instructions: Answer all questions to get your test result.
1) Ice cream melting on a hot sunny day
A
Endothermic
B
Exothermic
2) Walking on hot sand feeling it on your feet in the summer, heat transfers from
A
the sand to the sun
B
your feet to the sand
C
the sand to your feet
3) Sitting down on a cold metal bench, the bench feels cold becuase
A
heat is absorbed by the bench from your body, leaving you feeling it as cold
B
no heat is transferred, so it feels cold
C
heat is absorbed into your hand from the bench, so it feels cold
D
heat transfers from the ground to the bench
4) a puddle of water evaporating into a gas in the sunlight
A
Endothermic
B
Exothermic
5) In a chemical reaction, if more energy is required to make the chemical bonds than to break them apart, the reaction is endothermic, so we see a
A
mo change in temperature
B
decrease in temperature
C
increase in temperature
6) In a specific heat problem, what unit is q?
A
joules
B
° C
C
grams
D
J/ g * ° C
7) In a specific heat problem, what unit is m?
A
J/ g * ° C
B
joules
C
° C
D
grams
8) In a specific heat problem, what unit is C?
A
grams
B
° C
C
J/ g * ° C
D
joules
9) In a specific heat problem, what unit is ΔT?
A
joules
B
J/ g * ° C
C
grams
D
° C
10) An exothermic reaction is where heat is _______________
A
released
B
taken in
C
degarded
D
absorbed
*select an answer for all questions
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