Sammantha

Ice (at 0 degrees celsius) has a density of 922 kg per meter cubed. If the edge of a cube of ice is 4 cm, what is the mass of the cube?

Sn (s) + 2Cl2(g) --> SnCl4(l).Sn(s) + Cl2(g) --> Sn Cl2(l) DH = -186.2 kJSnCl2(s) + Cl2(g) --> SnCl4(l) DH = -325.1 kJWhat is the change in enthalpy?

If 25 dimes were moved from Box A to Box B, there would be an equal number of dimes in both boxes. If 100 dimes were moved from Box B to Box A, the ratio of dimes in Box A to Box B would be 7 : 2. What was the original number of dimes in Box A?