For the skeletal chemical equation bf3(g) + nah(s) → b2h6(g) + naf(s) what is the coefficient of b2h6 in the balanced equation? (balance the equation with the smallest possible whole number coefficients.)

Will give ! what are the advantages and disadvantages of nuclear power? check all that apply. one advantage of nuclear energy is that it does not produce carbon dioxide emissions. storage of nuclear waste is a short-term problem associated with nuclear energy. the problem with uranium mining is that a large quantity of uranium must be extracted to meet energy needs because the energy release from uranium fission is so low. safe operation of a nuclear power plant can be jeopardized by a human mistake.

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

An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.