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Calculate the heat released when 1.61 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and...Asked by Tits magee
Calculate the heat released when 3.10 L of Cl2(g) with a density of 1.88 g/L reacts with an excess of sodium metal at 25°C and 1 atm to form sodium chloride
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Answered by
DrBob222
Write the equation and balance it.
Convert 3.10 L Cl2 to grams (using density), then to moles. Look up delta Hf for products and reactants, then
delta Hrxn = (delta Hproducts)-(delta Hreactants).
Convert 3.10 L Cl2 to grams (using density), then to moles. Look up delta Hf for products and reactants, then
delta Hrxn = (delta Hproducts)-(delta Hreactants).
Answered by
Pookie
Then why am I calculating the moles if I just need to look up the Change in H for products and reactants...that isn't going to give me the heat released. What formulas do I need to use?
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