3. One mole of gas has a temperature of 270C which expands adiabatically so that its volume is two times the original volume. Determine the work done by the system if y (gamma) = 1.4 and R = 8.3 J mol-'K-1. %3D

Q: Calculate Hhe work, the change in internal energy and enthalpy when 0.02 mol of an ideal gas at 25°c…

A: Using the formula for adiabatic reversible process, the work done and the enthalpy change and ∆U can…

Q: Are heat capacities (Cv) independent or dependent on temperature? Explain

A: Heat capacity is defined as the minimum amount of heat which is required to raise the temperature of…

Q: H.W) 1013.25 J of heat energy is supplied to 1mol of NH3 (2) which is initially volume is 4L at…

A:

Q: 8. Calculate the E for a system undergoing an exothermic process in which 10.3 kJ of heat flows and…

A:

Q: Q1: Calculate the work done when 1 mol of an ideal gas is compressed reversibly from 1.00 bar to…

A: No of moles of gas = 1 mole Initial pressure of gas Pi = 1.00 bar Final pressure of gas Pf = 5.00…

Q: When 2.0 mol of a monatomic perfect gas with Cy,m= 3/2 R, initially at 27°C and 10 atm is allowed to…

A: Entropy change of a process is the same, whether it is taking place isothermally or adiabatically.…

Q: A sample consisting of 1 mol of dioxygen molecules with Com- 29.4 JK mol-1 has an initial volume of…

A: Given: Cp of gas = 29.4 J/K.mol. Initial temperature = 270 K Initial volume = 0.06 m3  Moles of gas…

Q: 1. Compute for c,, cp and 2 for nitrogen gas. Molar mass is 48.0 g/mol. 2. Two moles of an ideal gas…

A: 1. Nitrogen is diatomic molecule, so  Cv will be (5/2)R = 5/2 * 8.314 J/mol.K = 20.79 J/mol.K  Cp =…

Q: Suppose that attractions are the dominant interactions between gas molecules, and the equation of…

A: Work for reversible isothermal expansion is dw = -pdv Integrating

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

A:

Q: e. The heat q for an irreversible change of state from state 1 to 2 might differ from the heat for…

A: Answer e : The heat transferred q for an irreversible change is different from that for a reversible…

Q: A tank contains 20 l of compressed nitrogen at 10 atmosphere in 25ﾟC calculate the work when the gas…

A:

Q: A sample of a monoatomic ideal gas at 1.00atm and 250C expands adiabatically and reversibly from…

A: Given, P = 1 atm V = 5 L T = 25 + 273 = 298 K

Q: A 3.00 mol sample of an ideal diatomic gas expands adiabatically from a volume of 0.1610 m³ to 0.719…

A:

Q: 5.00 mol of a perfect gas expand isothermally at 298 K from 2.00 dm3 to 12.00 dm3 Calculate the…

A:

Q: Q) When 3.0 mol O2 is heated at a constant pressure of 3.25 atm, its temperature increases from 260…

A:

Q: (a) Using the left figure below, show graphically why work done by a system undergoing pV expansion…

A: a)

Q: H.W) 1013.25 J of heat energy is supplied to 1mol of NH3 ( which is initially volume is 4L at…

A:

Q: reversible process

A: False

Q: 1 mole of an ideal gas has a volume of 102m3 and a temperature of 290K . Its volume is compressed to…

A:

Q: In the isothermal reversible compression of 89.3 mmol of a perfect-gas at 317. K, the volume of the…

A:

Q: Calculate the final temperature of 2.00 mol Ar that is expanded reversibly and adiabatically from…

A:

Q: 3 A 3.00 mol sample of an ideal diatomic gas expands adiabatically from a volume of 0.1610 m³ to…

A: Using ideal gas equation, PV=nRT Initial conditions,P1=1 atmV1=0.1610 m3=161 Ln=3…

Q: (a) Consider the adiabatic reversible expansion of 0.02 mol of ammonia (NH3) from 0.50 dm to 2.00…

A:

Q: At 25°C the molar volume of water V is given by: V - 18.066 - 7.15 X 10+p+4.6 X 10* P, where Vis in…

A: Given: T= 25°C = 298.15K V= 18.066 – 7.15*10-4P +4.6*10-8 P2(cm3/mo1) -i) (∂V/∂T)P =0.0045 +…

Q: Consider 2.0 moles of methane (CH4 ) that is reversibly and isothermally compressed from an initial…

A: GIVEN: Moles of methane= 2.0 mol Initial Volume = 10.00 L Final Volume=  2.00 L Temperature = 273…

Q: Ten grams of N2 at 17°C are compressed adiabatically and reversibly from 8 to 5 Liters. Calculate…

A: The value of Cpis 7/2R Temperature at initial T1 is 17∘C(290 K) The gas constant value is 8.317…

Q: Assume that the molar heat capacities are constant over the change in temperature. rs along a…

A:

Q: A tank contains 20 L of compressed nitrogen at 10 atmospheres in 25ﾟC calculate the work when the…

A: Work done for isothermal reversible expansion is given by: where P1 is the initial pressure and P2…

Q: When a sample of 1.0 mol of a monatomic perfect gas with Cv,m= 12.47 J/mol K and initially at 25°C,…

A: Given data for an adiabatic process: Amount of sample in moles = 1mol Cv,m for monoatomic gas      =…

Q: A sample of methane of mass 45.00 g initially occupies 13.11 L at 310.0 K. Calculate the work done…

A: here we are required to find the work done when a gas expands isothermally.

Q: When 3.0 mol O2(g) is heated at a constant pressure of 3.25 atm, its temperature increases from 260…

A: Thermodynamic quantities depend upon Temperature, pressure and volume. Enthalpy, internal energy and…

Q: 4. When 2.5 mol CO2 is heated at a constant pressure of 1.25 atm, its temperature increases from 250…

A:

Q: Gas in a piston chamber kept in a constant-temperature bath at 25.0°C expands reversibly from 25.0…

A: Given that -  Temperature = 25°C = 298 K  Initial volume, V1 = 25.0 mL  Final volume , V2 = 75.0 mL…

Q: 2. When 4.0 mol O, is heated at a constant pressure of 1.0 atm, its temperature increases from 250 K…

A:

Q: Q6: One kg of water at 305°C expands a piston in a cylinder until it reaches ambient pressure of…

A:

Q: When 178 J of energy is supplied as heat to 1.9 mol of gas molecules,the temperature of the sample…

A: Correct Option : 53 J mol K-1 and 45 J mol-1 K-1

Q: Calculate q, w, AE, and AH for the process in which 89.8 g of nitrous oxide gas (N₂O) is cooled from…

A:

Q: a. For every cyclic process, the final state of the system is the same as the initial state. b. For…

A: In the given question we have to find out the given statement is true or false.  a)  It is true…

Q: A quantity of O2 initially at 300K is compressed reversibly and adiabatically from 50 L to 10 L.…

A: Relation between CP and CV can be given as: CP-CV=R             …(1) For an adiabatic process, the…

Q: 3 moles of an ideal gas expand from 400 Kelvin and 4 bars to 1 bar final pressure. A) where the…

A: Given: n = 3 mol T1 = 400 K P1 = 4 bar P2 = 1 bar

Q: Suppose that attractions are the dominant interaction between gas molecules, and the equation of…

A: The work done of reversible, isothermal expansion is given by: where P is the internal pressure of…

Q: What is the mass of 5.00 mol of ethanol?         b) How much heat Q enters the ethanol?       c)…

A: Given  5 moles of ethanol warmed from 10oC to 60oC. Pressure=1 atm  Molar mass of ethanol is 46.1…

Q: (b) An ideal gas of 2.5 moles undergoes an adiabatic expansion at an initial pressure of 4.25 bar…

A: b) Since the work done in adiabatic expansion is given by  W = -n X Cv X (Tf - Ti )  where n = moles…

Q: The constant pressure molar heat capacity of nitrogen gas, N2, is 29.125 J K-1 mol -1 at 298.15 K.…

A: Given  Molar Heat capacity at constant pressure Cp,m=29.125 JK-1mol-1 Mole = 2mol ∆T= 25 °C…

Q: Q.30 A sample of 2.0 moles of O2(g) (assumed ideal) at 500 K is expanded from 5 L to 50 L under…

A: The formula to calculate the change in internal energy is given by, ∆U=nCv(T2-T1) where n is the…

Q: Calculate the value of cp at 298 K and 1 atm pressure predicted for Cl, and NO, by the classical…

A: A molecule is formed by making a chemical bond between atoms. According to IR spectroscopy, a bond…

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates). 

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.