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The equation for the formation of silicon tetrachloride from silicon and chlorine is (7.9)Si(s) + 2Cl₂(g) → SiCl₄(g) + 157 kcalb. Is the energy of the product higher or lower than the energy of the reactants?
7. Energy, Rate and Equilibrium
Endothermic & Exothermic Reactions
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1:46 minutesOpen Question
Oxygen can be converted into ozone by the action of lightning or electric sparks: 3 O2(g) ⇌ 2 O3(g)For this reaction, ∆H = +69kcal/mol (+285 kj/mol) and K = 2.68 x 10^-29 at 25 °C.Is the reaction exothermic or endothermic?
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