What are the major social and political barriers to using solar energy?​

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

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

How does the viscosity of magma change as magma cools?