Calculate the energy transferred as work, Wsys, for; (a) a gas that is compressed irreversible from 500 cm3 to 150 cm3 by an external pressure of 20 kPa;   (b) 2.2 moles of a gas that is compressed reversibly at 120C from an initial pressure of 2.4 to a final pressure of 1.1 Torr.

Q: For nitrogen gas the values of Cv and Cp at 25°C are 20.8 J K−1 mol−1 and 29.1 J K−1 mol−1,…

A: Hello. Since your question has multiple questions, we will solve the first question for you. If you…

Q: Calculate DH and DStot when two copper blocks, each of mass 10.0 kg, one at 100°C and the other at…

A: m = 10 kg = 10000 g s = 0.385 J.K−1.g−1 T1 = 100 oC = 373 K T2 = 0 oC = 273 K

Q: Calculate the work (in J) associated with the expansion of a gas from 44ml to 63 ml at a constant…

A: Initial volume of gas= Vi = 44 ml = 44 * 10-3L Final volume of gas = Vf = 63 ml = 63 * 10-3L…

Q: Calculate the work done by a gas w hen it expandsthrough (a) 1.0 cm3, (b) 1.0 dm3 against an…

A: The expansion of a gas against a constant pressure say P, is known as Isobaric expansion, while the…

Q: Calculate the heat absorbed and the work done on a system of 5.00 mol of an ideal gas as it expands…

A:

Q: In preparation for a study of the metabolism of an organism, a small, sealed calorimeter was…

A: The expression for the first law of thermodynamics is shown below: Q - W = dU Where; W = work done Q…

Q: Calculate AH and AUf for the formation of silane, SiH4(g), from its elements at 298 K, if 250 cm³ of…

A: Calorimeter is a device used for measuring heat change in a chemical reaction. Constant volume…

Q: Determine the difference between the molar heat capacity of iron at constant pressure and that at…

A: The energy required to enhance the temperature by 1 Kelvin (for 1 mole of a substance) is termed as…

Q: In the isothermal reversible compression of 52 mmol of a perfect gas at 260 K, the volume of the gas…

A: Given, Moles of gas = 52 mmol = 52 x 10-3 mol. Temperature, T = 260 K Volume of gas reduce to 1/3…

Q: (g) Enthalpy change of a constant-pressure heating process can be calculated from heat ca pacity as…

A: Since you have asked multiple questions, we will solve first one for you. For remaining question,…

Q: When 229 J of energy is supplied as heat at constant pressure to 3.0 mol Ar(g) the temperature of…

A: The formula required to calculate molar heat capacity at constant volume is as follows,

Q: f) Circumstances for the use of nRln(V,/V,) and Cyłn(T2/T,) in calculating AS 2. a) i) State the…

A:

Q: Here you are invited to explore the implications of the temperature dependence of the heat capacity…

A: The equation for the molar heat capacity at constant pressure in terms of derivatives is as follows:

Q: An idenl diatomic gas has a molar internal energy equal to E =RT which depends only on its absolute…

A: Solution: Given, E = 5/2 RT a) Cv = (dE/dT)v = 5/2 R b) W = (1/2 x 1 x 2 x 106 x 103) + (1/2 x 1 x 4…

Q: Calculate the work done by a gas when it expands through (a) 1.0 cm3, (b) 1.0 dm3 against an…

A:

Q: For the combustion of 1.00 mol of toluene, C7H8 , at 25 °C and 1.00 bar, calculate the work that…

A:

Q: At 25°C the molar volume of water V is given by: V = 18.066 – 7.15 X 104 P + 4.6 X 108 P², where V…

A:

Q: One mole sample of CO2(g) occupies 2.00 dm3 at a temperature of 300K. If the gas is compressed…

A: The van der Waals equation is given as:

Q: What is the standard Gibbs free energy for the transformation of diamond to graphite at 298 K?…

A: The given reaction is as follows: Cdiamond → Cgraphite The standard Gibbs free energy = ?

Q: During his honeymoon in Switzerland, James Joule is said to have used a thermometer to measure the…

A: The total work done is given by the expression: w= -mg∆h Here, g, acceleration of gravity = 9.81 ms…

Q: 2.8 A sample of the sugar D-ribose (C;H1,05) of mass 0.727 g was placed in a calorimeter and then…

A: The energy of combustion and enthalpy of formation of D-ribose is calculated below:

Q: The temperature of a block of iron (Cv,m = 25.1 J K-1 mol- 1) of mass 1.4 kg fell by 65 °c as it…

A: The number of moles of iron equivalent to 1.4 kg of iron is; nFe=1.4 kg×1000 g1.0 kg×55.845…

Q: Nitrogen gas stored in a flexible container expanded from a volume of 500 dm3 to a volume of 600 dm3…

A: Given that: Volume(V1) = 500dm3 Expanded Volume (V2) = 600dm3 External pressure (P) = 101.3 kPa =…

Q: A steel block of mass 6.2 kg is originally at a temperature of 25°C and 1 atm. It is then heated to…

A: Work is define as -In thermodynamics, the system passes energy into the system's atmosphere through…

Q: Determine the reversible work, in joules, for the expansion of 3.00 mol of an ideal gas from 4.0000…

A: When ideal gas expands the work is done by the system on the surrounding. The work done is given by:…

Q: Estimate the contribution of motion to the molar internal energyof nitrogen gas.

A: The molar internal energy of a gas can be determined as: ∆U = nCV∆T∆U = Molar internal energyn =…

Q: Q3) When 3.0 mol Oz(g) is heated at a constant pressure of 3.25atm, its temperature increases from…

A: 3.0 mole of O2 is heated at constant pressure of 3.25 atm. Since the pressure is constant, thus it…

Q: For the isothermal expansion of a gas into a vacuum, ∆E = 0, q = 0, and w = 0. Explain why no work…

A: For isothermal expansion, we need to provide heat to the system. Hence heat and work done  have…

Q: Calculate the work done when 176 g of Fe reacts with HCl to produce H2 gas (i) in a closed fixed…

A: Given 176 given of fe reacts with HCl to produce H2 gas.  Fe+2HCl→FeCl2+H2 (i)In a closed fixed…

Q: What is the standard enthalpy of formation of the decomposition of one mole of liquid sulfuric acid…

A: Balanced chemical equation for decomposition of Sulfuric acid: 2H2SO4(l) → 2H2O(g) + O2(g) + 2SO2(g)…

Q: What is the work involved for every mole of C(g) in ideal conditions in kJ at 298 K given enthalpy…

A: Using  relationship between enthalpy and internal energy. ∆H= ∆E+P∆V ∆H=∆E-w  At constant…

Q: The combustion of 1.00 mol of glucose (C6H1206) liberates 2820 kJ of heat. If 1.13 g of glucose is…

A: Moles of glucose are, Moles = mass ÷ molar mass Moles = 1.13 g ÷ 180 g/mol Moles = 0.0063 mol   Heat…

Q: What is the relationship between internal energy (ΔU), andenthalpy (ΔH) for an endothermic process…

A: The relationship between internal energy (ΔU) andenthalpy (ΔH) for an endothermic process is to be…

Q: How much work is done in blowing up a balloon from zero volume to a volume of 2.2 L, assuming that p…

A: In a system when volume changes then we can say there may  some work is done .  Given that,  V1= 0 L…

Q: Calculate the internal energy change for a system that gains 1.75KJ of sheet to the surrounding and…

A: According to first law of thermodynamics The change in internal energy , heat and work done are…

Q: A sample of argon of mass 6.56 g occupies 18.5 dm3 at 305 K.(i) Calculate the work done when the gas…

A: Given: Mass of argon is 6.56 g. Volume is 18.5 dm3. Temperature is 305 K. External pressure is 7.7…

Q: The molar heat capacity at constant pressure for CO(g) is 6.97 cal mol-1 K-1. How much heat in cal…

A:

Q: The heat of combustion of urea to carbon dioxide and liquid water is –635 kJ/mole. Calculate the…

A: The combustion reaction of urea is given as:H2NCONH2 + 32 O2 → CO2 (g)  +2 H2O (l) + N2 (g)∆Hrxn =…

Q: What is the change in (a) the molar internal energy, and (b) the molar enthalpy of a sample of argon…

A: For Ar (Monoatomic), γ = 1.667  Then Cp = γR/R-1                 =1.667× 8.314/8.314-1        Here…

Q: Calculate the change internal energy (ΔE) for a system that is absorbing 1650.1 kJ of heat and is…

A:

Q: When 229 J of energy is supplied as heat to 3.00 mol Ar(g), the temperature of the sample increases…

A:

Q: Given the following data on Phosphorus and its allotropes o      ∆Hf kJ mol-1  ∆Gfo kJmol-1 So J…

A: Gibbs free energy is the energy utilized for doing certain work. In a reaction, a work done is…

Q: In the temperature neutral experiment we used the following relationship to obtain the value of…

A: Enthalpy of reaction is calculated per mole in many cases so total heat is divided with total moles…

Q: A sample of the sugar d-ribose (CsH10Os) of mass 0.727 g was placed in.a constant-volume calorimeter…

A: