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Author Question: An ideal Carnot air conditioner operates between an indoor temperature of 20C and an outdoor ... (Read 89 times)

kamilo84

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on: Jul 29, 2018
An ideal Carnot air conditioner operates between an indoor temperature of 20C and an outdoor temperature of 39C. How much energy does it use to remove 2000 J of heat from the interior of the house?
 
  A) 105 J
  B) 130 J
  C) 780 J
  D) 520 J
  E) 340 J

Question 2

How much heat is required to raise the temperature of a 225-g lead ball from 15.0C to 25.0C? The specific heat of lead is 128 J/kg  K.
 
  A) 725 J
  B) 576 J
  C) 145 J
  D) 217 J
  E) 288 J
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Expo

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Reply #1 on: Jul 29, 2018
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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kamilo84

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Reply 2 on: Jul 29, 2018
Wow, this really help

T4T

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Reply 3 on: Yesterday
Excellent

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