Chemistry

Agustin Branch

7 December, 05:25

1. What is the amount of energy required to raise the temperature of 150 grams of aluminum by 10°C?

A. 0.897 J

B. 13.45 J

C. 1345.5 J

D. 4.18 J

2. If you have an endothermic reaction, heat energy is written on the product side of the equation.

False or True

3. Find the amount of heat energy needed to convert 150 grams of ice at - 15°C to ice at - 63°C.

A. 14760 Joules because the ice is cooling.

B. (-) 14760 Joules because the ice is cooling.

C. 14760 Joules because the ice is being heated.

D. (-) 14760 Joules because the ice is being heated.

4. Find the amount of heat energy needed to convert 400 grams of ice at - 38°C to steam at 160°C.

A. 1284440 Joules

B. 159984 Joules

C. 246840 Joules

D. 331056 Joules