What is the charge in enthalpy in kilojoules when 2.30 mol of Mg is completely reacted according to the following balanced chemical reaction to transfer -34.2 kJ of heat? 2 KClO3(s) → 2 KCl(s) +3 O2(g) ∆H = -89.4 kJ

Often on a topographic map, every fifth contour line is darkened. what is this line called? a. key b. slope c. benchmark d. index contour

The following reaction shows the products when sulfuric acid and aluminum hydroxide react. al(oh)3 + h2so4 → al2(so4)3 + h2o the table shows the calculated amounts of reactants and products when the reaction was conducted in a laboratory. sulfuric acid aluminum hydroxide initial amount of reactant 40 g 15 g theoretical yield of water from reactant 14.69 g 10.38 g what is the approximate amount of the leftover reactant? 11.73 g of sulfuric acid 10.33 g of sulfuric acid 11.12 g of aluminum hydroxide 13.67 g of aluminum hydroxide

What are the major types of a chemical compound