annakoslovsky3040

26.02.2020 • 

Chemistry

An electrically heated home, the temperature of the ground in contact with a concrete basement wall is 12.8 C. The temperature at the inside surface of the wall is 20.0 C. The wall is 0.10 m thick and has an area of 9.0 m2. Assume that one kilowatt hour of electrical energy costs $0.10. How many hours are required for one dollar’s worth of energy to be conducted through the wall?

Ответ:

trinitieu66

20.04.2023

Chemistry

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They are the most reactive of all metals, and along with the elements ... All the elements in the carbon group have four valence electrons.

Explanation:

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