If the mean square fluctuations in energy of a system in equilibrium at temperature T is proportional to T“, then the energy of the system is proportional to (a) Tª-2 (b) 7ž (c) Tª-1 (d) Tª

Q: The kinetic energy of an ideal gas is (E) at NTP. At what temperature its kinetic energy is half of…

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Q: 28. QC S Review. Figure P1.28 shows students studying the thermal conduction of energy into…

A: Thermal conduction of energy into cylindrical block of ice,Q∆t = kπd2Th - Tc4L experiment allows all…

Q: he pressure P and volume V of an expanding gas are related by the formula PV^b=c, where b and c are…

A: Given, Relation between pressure and volume of the expanding gas,  PVb = c b = 1.5P= 7 kPaV = 110…

Q: Determine the value of work, w in J/kg, if

A: Solution

Q: By counting squares in the following figure, estimate the fraction of argon atoms at T = 300 K that…

A: Given speeds of argon atoms b/w you m/sto 600 m/s

Q: An engineer on Mars operates a motor that loses 45 kilojoules [kJ] of energy as heat in 20 minutes…

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Q: A thermally insulated ideal gas of volume V, and temperatureT expands to another enclosure of volume…

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Q: Problem 1: Assume the atmosphere can be treated as isothermal. In this case, the density varies…

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Q: A closed system consisting of 10 lb of air undergoes a polytropic process from p₁ = 80 lbf/in², v₁ =…

A: Solution :-  For polytropic process:-  P.V^n = constant .  Work done = (P2. V2 - P1 . V1) / (1-n)

Q: *1.3 PQ1 For each of the following units, list the primary dimensions: kWh, poise, slug, cfm, cSt.

A: kWh : it is the unit in the category of energy  , Here W is the unit of Power and h is the unit of…

Q: Three moles of monoatomic ideal gas are compressed from 5.5 x10^-2 to 2.5 x10^-2 m^3. During the…

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Q: The work done in blowing a soap bubble from radius (r) to (2r) is: 12mr2T 24 mrT (a) (c) 4πr²T 8лr²T…

A: To find-Work done=?Given-Initial radius (r1)=rFinal radius (r2)=2r

Q: The mean kinetic energy of one gram- mole of a perfect gas at absolute temperature T is (a) KT (b)…

A: To find- Mean K.E.=? Given- Mass of a gas (M)=1 gm-mole Temperature=T

Q: The value of adiabatic constant y for oxygen and nitrogen is the same. The speed of sound in oxygen…

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Q: Q /Find the next integral: So E V V 2m(E – "x)dx 2 — % æ)dx h

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Q: A container is filled with 5 g of a gas at STP. It is heated to 35°C with pressure being kept…

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Q: Q. 51: Molar specific heat of monatomic gas at constant pressure is (a) 5/2 R (b) 3/2 R (c) 7/2 R…

A: To find-Molar specific heat of mmonoatomic gas at constant pressure (CP)=?Given-For monoatomic gas…

Q: By counting squares in the following figure, estimate the fraction of argon atoms at T = 300 K that…

A:

Q: For an ideal gas, O Cp = Cy for all ideal gases. O it depends on whether the gas is monatomic or…

A: For all ideal gas we have to find out the relationship between specific heat at constant pressure Cp…

Q: For an ideal gas H, at T = 309 K find the two speeds v (in m/s) that satisfy the equation 2F(v) =…

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Q: A 53-kg mountain climber, starting from rest, climbs a vertical distance of 764 m. At the top, she…

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Q: The filament in a light bulb has a diameter of 0.02 mm and an emissivity of 1.0. The temperature of…

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Q: 18. If the initial state of a system is known, given by y(t = 0) y(t) = where Wn= and Cn= Hon=

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Q: Consider the change in the internal energy of a system.  what is the change in the internal…

A: Given data: The work done by the system, δW=4.75×105 J   The heat supply to the system, δQ1=3.05×106…

Q: If 2 forms of energy transfer act on a sample of 2.0 moles of ideal monatomic gas = 1.5 x 103 J and…

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Q: The work done in blowing a soap bubble from radius (r) to (2r) is : 12πr²T 24 лr²T (a) 4πr²T (c)…

A: To find-Work done=?Given-Initial radius (r1)=rFinal radius (r2)=2r

Q: P (10 Pa) 3.00 2.00 1.00 - V (m³) 2.00 4.00 6.00

A: (a) When the gas expands therefore, work done on the gas is negative.         Area of rectangle =…

Q: An engine has a hot reservoir that contains 20,000 J of heat energy at 3270 C, and a cold reservoir…

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Q: Average atomic and molecular speed ( v rms) are large, even at low temperatures. What is v rms (in…

A: Given  Temperature, T = 8.0 Kelvin

Q: Oy? Prove by direct differentiation and using U = kgT2 O(log Z)|| ƏT V.N

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Q: Total number of microstates of a system in a microcanonical cluster         Ω ＝ Ae ^ {B (VE) ^…

A: Number of microstates,Ω= Ae{B(VE)1/2}Now the entropy is,S=kBln Ω= kBln [Ae{B(VE)1/2}]or S= kBln A+…

Q: The formula for work in thermodynamics is given by PV=W. Suppose that at any pressure, P=h(V+Vo-1)…

A: The expression for the work done can be written as W=PVW=hV+V0-1VW=hV2+hVV0…

Q: Calculate δ numerically for θa=45∘.

A: Given,         The refractive index of diamond for red light is .         The refractive index of…

Q: The force P of magnitude 50 kN is acting at 215° from the x-axis. Find the components of P in v 157°…

A: The component of a vector A→ along certain direction θ away from it is given |A→|Cosθ ∴ Pv=…

Q: The force P of magnitude 50 KN is acting at 215° from the x-axis. Find the components of P in u 157°…

A: Solution :

Q: A typical coal-fired power plant burns 340 metric tons of coal every hour to generate 2.5 × 106 MJ…

A: The efficiency of the power plant can be given by e=WoutQh×100%

Q: A chemical reaction transfers 8150 J of thermal energy into 11.4 moles of an ideal gas while the…

A: Thermal energy, Q=8150J Number of moles, n=11.4moles Change in volume, ∆V=2.00×10-2m3 Pressure,…

Q: Under constant pressure, the temperature of 1.61 mol of an ideal monatomic gas is raised 11.0 K.…

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Q: A simple pendulum is suspended from the ceiling by means of a string of length 2.15 m long and has a…

A: Write the given values with the suitable variables. l=2.15 mm=4.08 kgQ=1 Jv=2.83 m/s Here, l, m, Q,…

Q: If the volumetric expansion coefficient of an ideal gas is (1/T) and the compression coefficient…

A: Ans:- Image-1