1)Calculate the amount of heat produced when 52.4g of Ca(OH)2 forms from: CaO(s) + H2O(l) —> Ca(OH)2(s) change in H = -65.2 kJ 2)Calculate the amount of heat produced when 52.4 g of CH4,
burns in an excess of air, according to the following equation:
CH4(g) + 2O2(g) → CO2(g) + 2H2O(1) + 890.2 kJ

Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground

Word equation for k(s)+h2o(l) yield koh(aq) + h2(g)

16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.