What gas is produced when sodium carbonate reacts with a dilute acid

How would you reduce the volume of gas

According to the tide table below what time of day will the highest tide occur? (2 pt) the highest tide will occur at

Water is initially present in a state where its molecules are far apart. during a change of state, its molecules slow down. which change of state has most likely taken place? from a gas to a liquid from a liquid to a gas from a solid to a liquid from a gas to a plasma