Which of the following molecules or ions has a bent shape? A: CIO4
B: PH3
C: OF2
D: PCI5

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?

Measurements that have similar values are: a. usually accurate b. sometimes accurate c. always accurate d. never accurate

Insoluble sulfide compounds are generally black in color. which of the following combinations could yield a black precipitate? check all that apply. na2s(aq)+kcl(aq) li2s(aq)+pb(no3)2(aq) pb(clo3)2(aq)+nano3(aq) agno3(aq)+kcl(aq) k2s(aq)+sn(no3)4(aq)