Chemistry, 14.07.2021 08:00 gonzalesalexiaouv1bg
What is the molecular formula of a compound that contains 38.6% C, 45% N, and 16.4% H, if 0.158 g of the compound occupies 125 mL with a pressure of 0.982 atm at 22oC?
Answers: 3
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How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.
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Inside a flashbulb, oxygen surrounds a thin coil of magnesium. when the flashbulb is set off, a chemical reaction takes place in which magnesium combines with oxygen to form magnesium oxide. which of the chemical equations matches the reaction above? a. mg + o2 mgo2 + energy b. 2mg + o mg2o + energy c. 2mg + o2 2mgo + energy d. mg + o mgo + energy
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Chemistry, 22.06.2019 18:30
Which sample at stp has the same number of atoms as 18 liters of ne at stp
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What is the molecular formula of a compound that contains 38.6% C, 45% N, and 16.4% H, if 0.158 g of...
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