Chemistry, 05.03.2021 21:30, sparkyjones02
A 70.0g sample of N2 gas occupies 43.5 L at 45 oC and 1.50 atm of pressure. Some gas is removed from the container. The pressure and temperature now read 1.00 atm and 50oC, respectively. How many moles of gas are in the container now? Assume the volume of the container does not change.
Answers: 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
Answers: 1
A 70.0g sample of N2 gas occupies 43.5 L at 45 oC and 1.50 atm of pressure. Some gas is removed from...
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