When hydrogen chloride reacts with sodium sulfide to form hydrogen sulfide gas and sodium chloride, the reaction is as
follows:
2HCl (aq) + Na2S (aq) --> H2S (g) + 2NaCl
What volume of hydrogen sulfide gas will be collected if
39.0 grams of sodium sulfide are reacted?

Solar energy is energy from the sun that is converted into thermal or energy. a. nuclear b. mechanical c. electrical d. chemical

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.

How would you reduce the volume of gas