6. A student is trying to solve the ideal gas law problem below: A sample of methane gas (CH2) with a mass of 58 g is kept in a 1500 mL container at a
temperature of 100 °C. What is the pressure of the gas in kPa?
What value should they use for R?

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