Chemistry, 24.04.2021 22:30 huneymarie
A 25.0 L tank contains hydrogen (H2) gas at a temperature of 149 K and a pressure of 1.51 atm. How many moles of hydrogen gas is in the tank?
Answers: 3
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Why do sodium and neon have vastly different chemical and physical properties despite having similar atomic masses?
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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
A 25.0 L tank contains hydrogen (H2) gas at a temperature of 149 K and a pressure of 1.51 atm. How m...
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