A student adds 15 grams of baking soda to 10 grams of acetic acid in a beaker. A chemical reaction occurs and a gas is given off. After the
reaction, the mass of the products remaining is 22.4 grams. How
much gas was released?

Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.

The continuous release of nuclear energy caused when one fission reaction triggered more nuclear reactions is a

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?