When calcium chloride is dissolved in water, to which end of the adjacent water molecules will a calcium ion be attracted? the oxygen end, which is the negative pole the oxygen end, which is the positive pole the hydrogen end, which is the negative pole the hydrogen end, which is the positive pole?

Calculate the number of kilojoules to warm 125 g of iron from 23.5°c to 78.0°c.

Given the data below for the reaction, 2 a + 2 b + 4 c => d + e + 3 f, the reaction is fill in the [ ] order in a, fill in the [ ] order in b, fill in the [ ] order in c and fill in the [ ] order overall. (use the words "first, second, third, fourth" to fill each blank)experimentinitial conc of a, mol/l initial conc of b, mol/l initial conc of c, mol/l initial rate, mol/l.s1 0.1 0.1 0.2 2 x 10-32 0.2 0.3 0.2 6 x 10-33 0.3 0.1 0.2 2 x 10-34 0.4 0.3 0.4 1.2 x 10-2

Write and balance the chemical equation that represents the reaction of aqueous sulfuric acid with aqueous sodium hydroxide to form water and sodium sulfate. include phases.