Chemistry, 07.12.2020 20:50 AdanNava699
Which of the following celestial body is a newly developed star who's core has not
begun nuclear fusion reactions? (Also means "New Star")
A- nebula
B-sun
C-frodostar
D-protostar
Answers: 2
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Estimate the molar mass of the gas that effuses at 1.6 times the effusion rate of carbon dioxide.
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Which answer tells the reason the earth’s climate is getting warmer? too many animals are becoming extinct. large glaciers are melting in antarctica. the earth is moving closer to the sun. driving cars gives off gases that trap heat in the atmosphere.
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What is the chemical formula for dihydrogen monoxide
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When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?
Answers: 1
Which of the following celestial body is a newly developed star who's core has not
begun nuclear fu...
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