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Hoochie [10]
3 years ago
7

How many quarts are in 2.50L

Physics
2 answers:
almond37 [142]3 years ago
5 0
Thanks I had the same question
baherus [9]3 years ago
4 0

Answer:

Around 2.64172 quarts

Explanation:

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A heat pump is to be used for heating a house in winter. The house is to be maintained at 70°F at all times. When the temperatur
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Answer:

\dot{W_{H} } = 4244.48 Btu/h

Explanation:

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Heat is extracted at 40°F i.e T_{L} = 40^{0}F  = 40 + 460 = 500 R

Calculate the coefficient of performance of the heat pump, COP

COP = \frac{T_{H} }{T_{H} - T_{L}  } \\COP = \frac{530 }{530 - 500  }\\ COP = \frac{530}{30} \\COP = 17.67

The minimum power required to run the heat pump is given by the formula:

\dot{W_{H} } = \frac{\dot{Q_{H} }}{COP} \\...............(*)

Where the heat losses from the house, \dot{Q_{H} } = 75,000 Btu/h

Substituting these values into * above

\dot{W_{H} } = \frac{75000}{17.67} \\ \dot{W_{H} } = 4244.48 Btu/h

3 0
3 years ago
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How would the weight of a 7-kilogram concrete block compared to the weight of a 7-kilogram metal sphere?
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