Chemistry, 15.01.2021 01:50 topangabraith
How many moles are there in 2.43e+21 molecules of carbon dioxide?
Answers: 2
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How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?
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Compare and contrast physical changes with chemical changes.
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Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next
Answers: 2
How many moles are there in 2.43e+21 molecules of carbon dioxide?...
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