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Which of the following gases was most likely present in earth’s earliest atmosphere?
a. nitrogen
b. hydrogen
c. argon
d. oxygen
Answers: 2
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Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.
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How many moles of water are created if 3 moles of hydrogen react completely with excess oxygen?
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The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?
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Which of the following gases was most likely present in earth’s earliest atmosphere?
a. nitro...
a. nitro...
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