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C 3 H 8 (g) + 5 O 2 (g) 3 CO 2 (g) + 4 H 2 O(g) Calculate f H for propane based on the following standard molar enthalpies of formation. molecule f H Chapter 8-Extra problem Set. 5 pages. A 461 g piece of Al at 210 C is placed in an insulated bath of 800 g of H2O at. University of Toronto.Leaf vacuum lowes rental
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6) The standard enthalpy of formation of propane, C3H8, is -103.6 kJ/mole. Calculate the heat of combustion of one mole of C3H8. The heats of formation of CO2(g) and H2O(l) are -394 kJ/mole and -285.8 kJ/mole respectively.

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Q : Assume you dissolve 0235 g of the weak acid benzoic acid. Assume you dissolve 0.235 g of the weak acid benzoic acid, C6H5CO2H, in enough water to make 3.00 multiplied by 102 mL of solution and then titrate the solution

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Dec 15, 2007 · According to the following equation when 7.3g of C3H8 burns in excess O2. C3H8 + 5O2 = 3CO2 + 4H2O

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Substitute immutable groups in chemical compounds to avoid ambiguity. For instance equation C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but PhC2H5 + O2 = PhOH + CO2 + H2O will.

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...representing a reaction: C3H8(g) + 5O2(g)==>3CO2(g) + 4H2O(g) What is the total number of moles of O2(g) required for the complete combustion of 1.5 moles of C3H8(g)? So the ratio of consuming C3H8 and O2 is equal to 1:5. So when 1.5 mol of C3H8 consumed, 1.5*5=7.5 mol O2 consumed.

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Jun 07, 2019 · 20.0 g of propane is 0.45 mole, and 80.0 g of oxygen in 2.5 mole. Let us set an ideal situation: propane (C3H8) reacts with oxygen (O2) to generate water (H2O) and carbon (C).

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【试题答案解析】 =3CO2(g)+4H2O(l)&nbsp;ΔH=－2220.0 kJ·mol-1H2O（l）=H2O（g）&nbsp;ΔH="+44.0" kJ·mol-1则0.5 mol丙烷燃烧生成CO2和气态水时释放的热量为__ ,中小学组卷题库