Hydrogen sulfide is produced during the decomposition of organic matter. When 0.5380 mol H2S burns to produce SO2 (g) and H2O (g) , -278.7 kJ of heat is released. What is this heat in kilocalories?

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A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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Q: How many litres of CS2(g) are decomposed with the release of 2.34 x 107 J of energy?

A: The chemical reaction with change in entropy is, CS2 (l) + 3O2 (g) → CO2 (g) + 2SO2 (g) ∆H  = -1077…

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Q: The reaction for the combustion of propane is kcal (DOʻHT + (8) 0E – (3)OS + (3)*H°Ɔ mol AH = -526.3…

A: Given, C3H8 (g) + 5O2 (g) → 3CO2 (g) + 4H2O (l) ∆H = - 526.3 kcal/mol Note: negative sign (-)…

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A: Given reaction is : 2C6H6 (l) + 15 O2 (g) ----------> 12CO2 (g) + 6H2O (g) , ΔH0rxn = -6278 KJ…

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Q: In a constant-pressure calorimeter, 75.0 mL of 0.880 M H, SO, was added to 75.0 mlL of 0.440 M NaOH.…

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Q: When 500. mL of acetylene, CaHa, combusts in air at standard temperature and pressure, etermine how…

A: given-volume of acetylene =500mL =0.5Lto find- how many kilocalories of hear is generated.

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A: Given data: Volume of HCl used = 13.99 ml Volume of NaOH used = 15 mL Concentration of NaOH = 3.172…

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Q: If 2C4H10 + 13O2 --> 8CO2 + 1OH2O is exothermic, is energy (heat) a reactant or product?

A: A reaction in which heat is released is called exothermic reaction.

Q: What is the Kinetic Energy of a 100 kg object that is moving with a speed of 12.5 m/s?

A: Mass of object = 100 kg  Speed = 12.5 m/s