Solid iron has a density of 7.9 g/cm3.liquid mercury has a density of 13.6 g/cm3. will iron float or sink in mercury explain

Y=‐1x + 7 if y has a value of ‐24 what is the value of x?

For each of the following types of reactions, write a general reaction formula in the symbolic form—for example, a + b → ab. single-displacement double-displacement synthesis decomposition

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)