Which phase change is accompanied by the release of heat? A) H2O(s) → H2O(g)
B) H2O(s) → H2O()
C) H2O() → H2O(g)
D) H2O() → H2O(s)

Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.

Miner's coal distributors does not mine coal itself, nor does it even store or handle the coal. instead, miner's solicits orders for low sulfur coal from other firms, then purchases the required amount from suppliers and directs them to ship the coal to its customers. what is miner's

Which of the following units is not an official si unit? mole liter kilogram ampere