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Author Question: How much heat (in kcal) must be removed to make ice at 10C from 2 kg of water at 20C? (The specific ... (Read 39 times)

cmoore54

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on: Aug 6, 2020

Question 1

How many calories of heat are required to raise the temperature of 4 kg of water from 50°F to the boiling point?

◦
6.5 × 105

◦
3.6 × 105

◦
15 × 105

◦
360

◦
4 × 104


Question 2

How much heat (in kcal) must be removed to make ice at −10°C from 2 kg of water at 20°C? (The specific heat of ice is 0.50 cal/g⋅°C.)

◦
190

◦
200

◦
240

◦
210

◦
50
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Marked as best answer by cmoore54 on Aug 6, 2020

qytan

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Reply #1 on: Aug 6, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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cmoore54

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Reply 2 on: Aug 6, 2020
Wow, this really help

jomama

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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