A gas hot water heater is 65% efficient. The energy output to heat the water is 2.3 kWh. Round each answer to the nearest tenth. The energy input is kWh. Therefore, kWh are lost to the surroundings.

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asked Apr 3, 2021 182k views

5 votes

A gas hot water heater is 65% efficient. The energy output to heat the water is 2.3 kWh.

Round each answer to the nearest tenth.

The energy input is
kWh.

Therefore,
kWh are lost to the surroundings.

Physics
college

Gerben Van Dijk asked

by Gerben Van Dijk

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2 Answers

4 votes

Answer:

3.5 and 1.2

Step-by-step explanation:

ChromeHearts answered Apr 5, 2021

by ChromeHearts

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7 votes

Answer:

3.5 kWh

1.2 kWh are lost

Step-by-step explanation:

65=2.3/Ein*100

0.65=2.3/Ein

Ein=2.3/.65

Ein=3.5

3.5-2.3=1.2 kWh

Roman Dryndik answered Apr 8, 2021

by Roman Dryndik

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