The number of vacancies in some hypothetical metal increases by a factor of 6 when the temperature is increased from 1020 °C to 1240 °C. Calculate the energy for vacancy formation (in J/mol) assuming that the density of the metal remains the same over this temperature range.

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A: The Van-der-Waal's gas equation is                                             (P+n2aV2)(V-nb)=nRT…

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Q: Assume gold sinters by a lattice diffusion process with an activation energy of 181 kJ/mol. A 40 μm…

A: Solution-Given thatActivation energy (Ea)=181 kJ/molInitial temperature (T1)=1000°=1000+273=1273…

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Q: The temperature of 2.00 moles of argon gas is lowered from 2.60  102 K to 2.30  102 K. (a) Find the…

A: (a) The change in the internal energy of argon gas can be given as, ΔU=32nRTf-Ti=322 moles8.314…

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A: highest linear density

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Q: Consider an isolated bismuth atom being held in its equilibrium lattice site position by the mutual…

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Q: The gas of oxygen at temperature 100 °C can be treated as ideal gas. (a)What is the internal energy…

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Q: What is the mean free path of molecules, in nanometer, in an ideal gas in which the mean collision…

A: The mean free path of an ideal gas moving with root-mean-square speeds () is given as, is mean…

Q: The equilibrium number of vacancies for silver at 800 °C is 3.6 x 1023 vacancies per cubic meter.…

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Q: A molecule in a gas undergoes about 1.0 × 109 collisions in each second. Suppose that (a) every…

A: It is given that the gas molecules undergo collision.  T=11×109 s-1 It is supposed that  (a) every…

Q: (11.2) Show that, for an ideal gas, R = y - 1 Cy (11.37) and R y – 1 Cp where Cy and C, are the heat…

A: Introduction: For a mole of an ideal gas: ∆H=∆U+∆pv∆H=∆U+∆RT∆H=∆U+R∆T…

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Q: com temperature is 20 °C. Calculate the ratio v₂/V1, here v₁ = the rms speed of a nitrogen molecule…

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Q: The air is a gas mixture of oxygen, carbon dioxide, and Nitrogen. If the air can be treated as ideal…

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Q: One of the ideas to fix the kg using constants of nature, was to "Count atoms". A near perfect…

A: Given mass = 1 kg = 1000 g Molar mass= M = 28 g/mole Number of moles = n = Given massMolar mass…

Q: a) Calculate the mean free path in meters of a nitrogen molecule (with a mass m=4.68×10-26 kg)…

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

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Q: In a diatomic gas why should it be more difficult to excite the vibrational mode than the rotational…

A: The rotational energy levels of a linear rotator which is rigid having two degrees of freedom and…

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Q: 00% 50% 50% 9% 320 3102 294 280.4

A: Given: To draw a phase diagram of nickel-copper alloy is shown as,

Q: roblem 2:   Helium is a very important element for both industrial and research applications. In its…

A: P=pressureV=volumeT=tempratureR=gas constantn=moles

Q: Gas constants for a certain gas insultant are given as A=15 cm-1 torr-1​ and B=365 V cm-1 torr-1. A…

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Q: The atomic radius of gold (Au) is 0.146 nm and its atomic mass is 197 gmol-1. Assuming the atoms to…

A: Solution:-Given thatAtomic radius of Gold (r)=0.146 nm=0.146×10-9 mAtomic mass of Gold =197…

Q: The vacancy formation energy of NaCl is about 1.1eV. Calculate the approximate ratios of Schottky…

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Q: Determine the number of vacancies in one cubic meter of copper at 1500C. The energy of vacancy…

A: Given information: The temperature of copper, t=1500 °C=1500+273=1773 K The energy of vacancy…

Q: Pure iron is heated to above the phase transition temperature, where it changes from BCC structure…

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