Calculate ΔmixG and Δmix S for the formation of air containing 1 mol of gas by mixing nitrogen and oxygen at 298.15 K. Air may be taken to be 80% nitrogen and 20% oxygen. Answer: -1240; 4.160

Q: Given the following thermochemical equations, 4NH3(g) +70₂(g) → 4NO₂(g) + 6H₂O(g) 6NO₂(g) +…

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Q: 5.60 How are the standard enthalpies of an element and of a compound determined?

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Q: The heat of combustion of carbon, hydrogen and sucrose are 394.82, -289.28 and -5665.8kj/mol resp.…

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Q: Given the following thermochemical equations, CaO(s) + Cl₂(g). H₂O(l) + CaOCl₂(s) + 2NaBr(s)-…

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Q: 3. The following reaction represents the complete combustion of hexane, C6H14(), at SATP. C6H14(1) +…

A: Given,a. moles of carbon dioxide = 0.537 molb. mass of hexane = 25.0 kgc. heat = 1.0 x 105 kJ

Q: gas mixture using heat capaCI equation e conversion of solid wastes to gas can be complished in…

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Q: A student runs two experiments with a constant-volume "bomb" calorimeter containing 1100. g of water…

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Q: Revewi Constants 1 Periodic Tite Hess's law states that "the heat released or absorbed ina chemical…

A: Calculation of enthalpy for the reaction is given below.

Q: 28. The volume of four moles of an ideal monatomic gas at 600 °K is halved while the pressure is…

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Q: Calculate the enthalpy of the reaction 4B(s) + 302(9)→2B2O3 (s) given the following pertinent…

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Q: What is the enthalpy change for the following reaction?

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Q: Calculate the theoretical volume yeild (In mL) of oxygen gas produced at STP conditions, when 0.920g…

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Q: 8. One mole of nitrogen gas confined in a cylinder with a piston is heated from 0°C to 819°C at 1.00…

A: a) work done is given by W= P∆V ,where p is pressure and ∆V is change in volume. Also P∆V=nR∆T…

Q: A particular metallic element, S, has a heat capacity of 0.22 J/g-K and it forms an oxide that…

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Q: Show that the standard heat of the following reaction is equal to -905 kJ/mol at 25 oC. 4 NH3(g) +…

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Q: reactions B 1. H,O + CO2(a H;CO, (ea) 2. H,POlee + 3OH ajoa+ 30H foal + 3H,0+ POaioei 3. C,Ha+ 30,…

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Q: Answer the following problems on thermochemistry. Show all thermochemical equations to derive the…

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Q: 2.00 moles of nitrogen gas at 25.0 °C, confined within a cylinder by a piston maintaining a constant…

A: Given data,Moles of N2=2.0molesTemperature=25oC=298KPressure=1.0atmHeat energy=3.30kJ=3300J

Q: The combustion of heptane, C,H16, occurs via the reaction C;H16(g) + 1102(g)→7CO2(g) + 8H20(g) with…

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Q: Consider the reaction below to answer the following questions. SO, (+02 ( So, AG (g) (g) = -94,600+…

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Q: If 293 J of heat is required to raise the temperature of 2 mol of an ideal gas at constant pressure…

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Q: CC, (g) can also be produced by reacting CHCI, (g) with Cl, at 400°C, as represented by the equation…

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Q: Now that you know the physical state of each of the reactants and products in this chemical reaction…

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Q: Suppose 1.000 mol HgO(s) was placed in a tight, otherwise empty vessel, heated to 600 K, and kept…

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Q: 2NH3(g) → Nz(9) + 3Hz(g) AH° = +92.2kJ I. AS > 0 II. (-TAS) term is negative II. In order for AG to…

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Q: The process abc shown in the pV-diagram in Fig. involves0.0175 mol of an ideal gas. (a) What was the…

A: Given data :  moles of gas, n = 0.0175 Qabc = 215 J  Gas is ideal gas, PV = nRT

Q: Find AH for the heating of H2 (g) from 0.°C to 100°C, given Cp = 29.066 – (0.8364 x 10-3T + (20.12 x…

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Q: Which of the following equations represents a reaction that provides the heat of formation of…

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Q: Question 1 Select each of the following statements that are true in relation to the property…

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Q: The complete combustion of propane, C3H8(g), is represented by the equation: C3H8(g) + 5 02(8) → 3…

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Q: 6.105 A piece of lead of mass 121.6 g was heated by an elec- trical coil. From the resistance of the…

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Q: Show that the standard heat of the following reaction is equal to -905 kJ/mol at 25 oC. 4 NH3(g) +…

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Q: Part B Calculate the enthalpy change for the thermite reaction: 2Al(s) + Fe2O3 (s)→2FE(s)+ Al½O3…

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Q: The standard enthalpy of formation (AH°t) of C2H4(g) is +52.4 kJ/mol. What is the coefficient of H2…

A: The formation reaction of C2H4 (g) is: 2C (graphite, s) + 2H2(g) →C2H4 (g)

Q: 4. Suppose you have 5 moles of helium gas (ideal, monatomic), which expands under constant pressure.…

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Q: Given the following data: AH (NH3(g)) = 146.19 kJ/mol at 298 K Cop.m (NH3(g)) (3.114 +3.969x10-³…

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Q: Part A When the fuel mixture contained in a 1.51 L tank, stored at 746 Torr and 298 K, undergoes…

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