Which statement best describes comparative and descriptive investigations?

Using the periodic table, complete the table to describe each atom. type in your answers

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

What mass of natural gas (ch4) must you burn to emit 276 kj of heat?