What mass of carbon dioxide is produced from the complete combustion of 6.60×10−3 g of methane?

Does the energy in a solid increase or decrease when changing to a liquid?

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.