Chemistry, 13.12.2020 19:40 pizzaboy62
Please help i know it's a test the answers: A. Arrow 1 is nitrogen and arrow 2 is oxygen. B. Arrow 1 is oxygen and arrow 2 is nitrogen. C. Arrow 1 is oxygen and arrow 2 is carbon dioxide. D. Arrow 1 is carbon dioxide and arrow 2 is oxygen. show proof
Answers: 2
Chemistry, 21.06.2019 21:30
An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.
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Chemistry, 22.06.2019 04:00
Write the empirical chemical formula of calcium with a mass percent of 38.8, phosphorus with a mass percent of 20.0, and oxygen with a mass percent of 41.3.
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Chemistry, 22.06.2019 04:00
Two nitro no2 groups are chemically bonded to a patch of surface. they can't move to another location on the surface, but they can rotate (see sketch at right). it turns out that the amount of rotational kinetic energy each no2 group can have is required to be a multiple of ε, where =ε×1.010−24 j. in other words, each no2 group could have ε of rotational kinetic energy, or 2ε, or 3ε, and so forth — but it cannot have just any old amount of rotational kinetic energy. suppose the total rotational kinetic energy in this system is initially known to be 32ε. then, some heat is removed from the system, and the total rotational kinetic energy falls to 18ε. calculate the change in entropy. round your answer to 3 significant digits, and be sure it has the correct unit symbol.
Answers: 2
Chemistry, 22.06.2019 15:30
Which of the following are correct values for the ideal gas laws constant r
Answers: 1
Please help i know it's a test
the answers: A. Arrow 1 is nitrogen and arrow 2 is oxygen. B. Arrow...
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