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2E3(s) + 3H2(g)-> BM(g) using the following data: Reaction (a) 2B(s) + + 2(g)--B203(s) (b) B,H6(g) + 302(g) B2O3(s) + 3H200 (c) H2(g) + + 02(g)--H20(1) 1273 kJ 2035 kJ 286 kJ 44 kJ 74. Calculate ÎH for the reaction NH,() + 02(g)-â N2(g) + 2H20() given the following data: 2NH,(g) + 3N20(g)-4N2(g) + 3H20(1) N2O(g) + 3H2(g)-â N,H4(l) + H20(1) 2NH3(g) + O2(g)-â N2H4(1) + H20(1) ÎH =-1010. kJ MY =-317 kJ MY =-143 kJ H2(g) + í02(g)-â H2O(1) H 286 kJ 75. Given the following data Ca(s) + 2C(graphite)-â CaC2(s) Ca(s) + 2(g)-â CaO(s) 635.5 kJ AH =-653.1 kJ CaO(s) + H20(1)-â Ca(OH),(aq) C(graphite) + O2(g)-â CO2(g) ÎH =-393.5 kJ calculate ÎH for the reaction CdG(s) +2H,O()-â Ca(OH),(aq) + C,H2(g)
2E3(s) + 3H2(g)-> BM(g) using the following data: Reaction (a) 2B(s) + + 2(g)--B203(s) (b) B,H6(g) + 302(g) B2O3(s) + 3H200 (c) H2(g) + + 02(g)--H20(1) 1273 kJ 2035 kJ 286 kJ 44 kJ 74. Calculate ÎH for the reaction NH,() + 02(g)-â N2(g) + 2H20() given the following data: 2NH,(g) + 3N20(g)-4N2(g) + 3H20(1) N2O(g) + 3H2(g)-â N,H4(l) + H20(1) 2NH3(g) + O2(g)-â N2H4(1) + H20(1) ÎH =-1010. kJ MY =-317 kJ MY =-143 kJ H2(g) + í02(g)-â H2O(1) H 286 kJ 75. Given the following data Ca(s) + 2C(graphite)-â CaC2(s) Ca(s) + 2(g)-â CaO(s) 635.5 kJ AH =-653.1 kJ CaO(s) + H20(1)-â Ca(OH),(aq) C(graphite) + O2(g)-â CO2(g) ÎH =-393.5 kJ calculate ÎH for the reaction CdG(s) +2H,O()-â Ca(OH),(aq) + C,H2(g)
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Collen VonLv2
16 May 2019
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