Chemistry, 09.03.2021 16:50 svalencia2
Four divalent elements A, B, C and D are as shown below, the greatest electromotive force of a cell can be formed of two of these elements equals ……………. A à A2+ + 2e- E0 = 1.029 V B2+ + 2e- à B E0 = -0.126 V C2+ + 2e- à C E0= 1.200 V Dà D+ + e- E0= 3.045 V
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Atriple covalent bond involves two atoms sharing three pairs of electrons. true false
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Use the bond energies provided to estimate δh°rxn for the reaction below. ch3oh(l) + 2 o2(g) → co2(g) + 2 h2o(g) δh°rxn = ? bond bond energy (kj/mol) c-h 414 c-o 360 c=o 799 o=o 498 o-h 464 use the bond energies provided to estimate δh°rxn for the reaction below. ch3oh(l) + 2 o2(g) → co2(g) + 2 h2o(g) δh°rxn = ? bond bond energy (kj/mol) c-h 414 c-o 360 c=o 799 o=o 498 o-h 464 +473 kj +206 kj -392 kj -91 kj -486 kj
Answers: 1
Four divalent elements A, B, C and D are as shown below, the greatest electromotive force of a cell...
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