Hydrogen gas is produced using the following reaction at STP. 2HCl + Mg --> MgCl2 + H2

How many liters of hydrogen gas is produced, if 34.9 liters of hydrochloric acid (HCl) is put into the reaction?

What type of reaction fuels the processes seen here?

To calculate percent by mass, use the equation below: calculate the percent by mass of each element. %n = % %h = % %o = %

4. propanol and isopropanol are isomers. this means that they have a) the same molecular formula but different chemical properties. b) different molecular formulas but the same chemical properties. c) the same molecular formula and the same chemical properties. d) the same molecular formula but represent different states of the compound