In the reaction, Zn + 2 HCl --> ZnCl2 + H2, 25.0 grams of Zn are reacted with 17.5 g of HCl. How many grams of H2 will be produced?

Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l.s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?

What is the atomic number of an atom that has 6 protons

How many moles are in 7.2 x 10^23 carbon molecules?