2Al + 3Cu2+ → 2Al3+ + 3Cu the reduction half reaction is
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7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '
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The number at the end of an isotope’s name is the number.
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What mass of natural gas (ch4) must you burn to emit 276 kj of heat?
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What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees celsius to a solid at the same temperature? melting point of substance y = 35 degrees c; δhvaporization = 3.67 j/mol; δhfusion = 3.30 j/mol. mwsubstance y = 28.22 g/mol. −12.4 j −3.51 x 102 j 1.24 x 101 j 351 j
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