4. (20 pts) You place 150 mL of water at 400C in the refrigerator. How much...
4. (20 pts) You place 150 mL of water at 400C in the refrigerator. How much energy does the refrigerator remove from the water to make ice at 0OC? (Note 1: 1 ml H0 = 1 cm = 1g. Note 2: See Table 4.4 in your text, along with the subsequent example.)
4. (20 pts) You place 150 mL of water at 400C in the refrigerator. How much energy does the refrigerator remove from the water to make ice at 00C? (Note 1: 1 mL H20= 1 cm2 = 1 g. Note 2: See Table 4.4 in your text, along with the subsequent example.) 4. (20 pts) You place 150 mL of water at 40C in the refrigerator. How much energy does the refrigerator remove from the water to make ice at...
4. (20 pts) You place 150 mL of water at 400C in the refrigerator. How much energy does the 1 cm3 1 g refrigerator remove from the water to make ice at 00C? (Note 1: 1 mL H20 Note 2: See Table 4.4 in your text, along with the subsequent example.)
you place 150 ml of water at 400c in the refrigerator. How much energy does the refrigerator remove from the water to make ice at 00c?
(20 pts) You place 150 mL of water at 40 C in the refrigerator. How much energy does the refrigerator remove from the water to make ice at 00C? (Note 1: 1 mL H20 = 1 cm=1g. Note 2 See Table 4.4 in your text, along with the subsequent example.)
7. (20 pts) A force of 50 N is used to move a 5 kg box 30 m across a level floor. a. How much work was done on the box? b. If the movement takes 10 seconds, what is the average velocity of the box during the move? c. What is the average kinetic energy of the box during the move? d. What is the change in potential energy as a result of this move?
7. (20 pts) A force of 50 N is used to move a 5 kg box 30 m across a level floor a. How much work was done on the box? b. If the movement takes 10 seconds, what is the average velo city of the box during the move? c. What is the average kinetic energy of the box during the move? d. What is the change in potential energy as a result of this move?
7. (20 pts) A force of 50 N is used to move a 5 kg box 30 m across a level floor. 2. How much work was done on the box? b. If the movement takes 10 seconds, what is the average vclocity of the box during the move c What is the average kinetic energy of the box during the move? d. What is the change in potential energy as a result of this move?
5. (15 pts) How much heat must be applied to a 1 kg pan to raise its temperature from 25°C to 185°C if: a. The pan is made of iron? b. The pan is made of copper? c. The pan is made of gold?