A 55.0 L sample of gas at 235 K exerts a pressure of 225 KPa. If its volume is decreased to 42.0 L and the temperature rises to 315 K, what is its new pressure?

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