If I have 7 moles of a gas at a pressure of 5.75 atm and a volume of 11 liters, what is the temperature in K?

Indicate whether the specified alkyl halides will form primarily substitution products, only elimination products, both substitution and elimination products, or no products when they react with sodium methoxide. 1-bromobutane 1-bromo-2-methylpropane 2-bromobutane 2-bromo-2-methylpropane