How many moles of carbon dioxide are produced in the reaction between hydrochloric acid and calcium carbonate when 2 moles of HCl are used to start with? 2HCl + CaCO3 +CaCl2 + CO2 + H2O
A. 2
B. 4
C. 1
D. 3

Why is it illegal to manufacture fireworks without a license

Write a brief passage describing a neutral atom of nitrogen-14 (n-14). describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms atomic number, mass number, and atomic mass are related to the particles. use the periodic table to you. 14 protons and eletrons since its a neutral atom

Why does his teacher ask him to balance the equation by including the correct coefficient