7. An airtight, sealed jar contains an alka-seltzer tablet that is fizzing. The jar is then placed on an electronic
balance. Will the mass increase, decrease, or stay the
same as the tablet fizzes. For credit also EXPLAIN your
answer.

The answer to the question: choose the correct statement.  a) when ethane reacts with fluorine gas the product is less stable.b) addition reactions of unsaturated hydrocarbons and halogens requires a high activation energy.  c)the double covalent bond within unsaturated hydrocarbons requires a lot of energy to break.  d)the double covalent bond within unsaturated hydrocarbons can be broken easily.is: a) when ethane reacts with fluorine gas the product is less stable.