The correct answer(reported to the proper number of significant figures)to the following is
(12.67+19.2)(3.99)/(1,36+11.366)=

Harvey mixes two liquids. which observation of the new mixture most likely indicates a precipitate is forming?

Cucl2 + 2nano3 cu(no3)2 + 2nacl what is the percent yield of nacl if 31.0 g of cucl2 reacts with excess nano3 to produce 21.2 g of nacl? 49.7% 58.4% 63.6% 78.7%

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