Asked by Elena
1. What is the heat required in kilocalories to convert 2 kg of ice at 0°C completely into steam at 100°C? (I thought it was 2000 kilo cals but I think I'm wrong??)
a. 80 Calories
b. 1440 Calories
c. 4186 Calories
d. 540 Calories
2. A gaseous refrigerant undergoes compression over 160 J of work done on it. If the internal energy of the gas increases by 130 J, the amount of heat transfer is what?
a. 290 J
b.-290 J
c. 30 J
d. -30 J
Thanks SO much!!
a. 80 Calories
b. 1440 Calories
c. 4186 Calories
d. 540 Calories
2. A gaseous refrigerant undergoes compression over 160 J of work done on it. If the internal energy of the gas increases by 130 J, the amount of heat transfer is what?
a. 290 J
b.-290 J
c. 30 J
d. -30 J
Thanks SO much!!
Answers
Answered by
Jay
1440
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