. Most people find waterbeds uncomfortable unless the water temperature is maintained at about 85 °F. Unless it is heated, a waterbed that contains 892 L of water cools from 85 °F to 72 °F in 24 hours. Estimate the amount of electrical energy required over 24 hours, in kWh, to keep the bed from cooling. Note that 1 kilowatt-hour (kWh) = 3.6 × 106 J, and assume that the density of water is 1.0 g/mL (independent of temperature). What other assumptions did you make? How did they affect your calculated result (i. e., were they likely to yield “positive” or “negative” errors)?
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Chemistry, 21.06.2019 13:50
The electron configuration for chromium is 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 5 4 s 1 instead of 1 s 2 2 s 2 2 p 6 3 s 2 3 p 6 3 d 4 4 s 1 . the configuration is an exception to the
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Chemistry, 22.06.2019 04:40
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Chemistry, 22.06.2019 05:30
Modern weaponry has increased the number of deaths in wars and violent conflicts.
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. Most people find waterbeds uncomfortable unless the water temperature is maintained at about 85 °F...
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