How chemical equations demonstrate conservation of mass?

How does a scientist the government? a. the scientist tells people in society what to do. b. the scientist determines the policies that the government spends money on. c. the scientist provides unbiased information to the government. d. the scientist makes laws based on his or her research results.

If a reactant was removed, did the new equilibrium system shift to make more reactants or more products?

Calculate the number of moles of ethane in 100 grams