Determine the mass in grams of copper(II) sulfide (Cu2S) formed when 15.0 g copper(1) chloride (CuCD) reacts with excess hydrogen sulfide (H2S) according to the following unbalanced chemical
equation.

Which compound contains both ionic and covalent bonds? a) hbr b)cbr4 c)nabr d) naoh

Compare the equilibrium constants for the systems shown in the table. which favors products the most? which favors products the least? rank these systems in order from most to least in terms of favoring products rather than reactants. d > b > a > c c > a > b > d b > c > d > a a > d > c > b

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.