The heat of vaporization AH, of acetonitrile (CH,CN) is 29.8 kJ/mol. Calculate the change in entropy AS when 35. g of acetonitrile boils at 81.6 °C. Be sure your answer contains a unit symbol. Round your answer to 2 significant digits.

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Q: The addition of  1.250 g of zinc metal (65.38 g/mol) to 0.100 L of  0.1912  M HCl in a coffee-cup…

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A: Given, a reaction absorbs heat =40.3 J =+40.3 J and volume of gas increases from 0.250 L to 0.750…

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Q: THERMODYNAMICS: Given the following hypothetical thermochemical equations: 2QJ3 (g) + 3Q2X (g) →…

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Q: Use Equations a and b to determine ΔH for the following reaction.2CO(g) + 2NO(g) → 2C O 2 (g) + N 2…

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Q: Q3.) Acetylene gas, C2H2(g), is used in welding. 1. Write a balanced equation for the combustion of…

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Q: In the upper atmosphere, ozone is produced from oxygen gas in the following reaction. 3O2(g) →…

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Q: The value of ΔH0 for the reaction CH3OH(l) → CO(g) + 2H2(g) is +128.1 kJ. Determine the heat…

A: Given, The balanced chemical equation is given below, CH3OH(l) → CO(g) + 2H2(g) ΔH0=+128.1 kJ

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Q: How much heat in kJ is liberated at constant pressure if enough calcium carbonate reacts with 84.02…

A: Given reaction: CaCO3(s) + 2HCl (aq) →CaCl2 (aq) + H2O (l) + CO2 (g) For this reaction, ∆H0 r= -14.2…