Chemistry, 12.10.2019 00:30 xxtonixwilsonxx
Some homes that use baseboard heating use copper tubing. hot water runs through and heats the copper tubing, which in turn heats aluminum fins. it is actually the aluminum fins that heat the air rising through the fins. how much energy would it take to heat a section of the copper tubing that weighs about 595.0 g , from 15.18 ∘c to 21.28 ∘c ? copper has a specific heat of 0.3850 (j/g)⋅∘c. express your answer to four significant figures.
Answers: 2
Chemistry, 21.06.2019 18:30
Asample of the male sex hormone testosterone, c19h28o2, contains 3.88×10^21 atoms of hydrogen.(a) how many atoms of carbon does it contain? (b) how many molecules of testosterone does it contain? (c) how many moles of testosterone does it contain? (d) what is the mass of this sample in grams?
Answers: 1
Chemistry, 21.06.2019 23:00
Layers of rock containing fossils, like the layers illustrated here, are most likely composed of rocks.
Answers: 2
Chemistry, 22.06.2019 15:30
Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium
Answers: 1
Chemistry, 22.06.2019 18:10
Areader can tell that the meaning of “obnoxious” will include “having the quality of something” because of the .a) prefix b)pronunciation c)suffix d) word root
Answers: 3
Some homes that use baseboard heating use copper tubing. hot water runs through and heats the copper...
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