Sodium nitride has the formula Na3N, What is the formula for magnesium nitride?
a) Mg2N c) Mg3...
Chemistry, 13.03.2020 00:01 thompsonjodi9638
Sodium nitride has the formula Na3N, What is the formula for magnesium nitride?
a) Mg2N c) Mg3N2
b) Mg3N d)
What is the mass of one mole of aluminum sulfate, Al2(SO4)3?
a) 630 g c) 273 g
b) 342 g d) 123 g
Which set of coefficients balances the equation for the complete combustion of ethane, C2H6?
_C2H6 + __027_002 + _H20
a) 1,3,2,3 c) 2,6,4,5
b) 1,6,2,6 d) 2,7,4,6
Answers: 3
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The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earth’s seasons.
Answers: 1
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If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution
Answers: 1
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If two objects at different te,peraure are in contact with each other what happens to their temperature
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