Zinc dissolves in hydrochloric acid to yield hydrogen gas: zn(s) 2hcl(aq) ® zncl2(aq) h2(g) what mass of hydrogen gas is produced when a 7. 35 g chunk of zinc dissolves in 500. Ml of 1. 200 m hcl?.

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied