Two students investigated the reaction of marble chips with hydrochloric acid. In the first minute of the reaction, 0.8 g of carbon dioxide gas was produced.
Calculate the mean rate.

Select the correct answer. given: 2libr + ba → babr2 + 2li in this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced? a. 1.18 mol b. 2.37 mol c. 4.73 mol d. 16.4 mol e. 32.9 mol

Asolution contains 180 g of glucose (c6h12o6) and 162 g of water. what is the mole fraction of glucose?

What happens to isotopes that are unstable?