PLZ HURRY
7. What is the measurement 1042 L rounded off to two significant digits?
A 1.0...
Chemistry, 19.05.2020 20:59 sammamamam1090
PLZ HURRY
7. What is the measurement 1042 L rounded off to two significant digits?
A 1.0 × 103 L
B 1050 L
C 1040 L
D 1.1 x 103 L
Answers: 1
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In 2002, the rare earth elements mine in mountain pass, california was closed because
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A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?
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Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .
Answers: 3
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