Calculate the number of vacancies per cubic meter in iron at 855 °C The energy for vacancy formation is 1.08 eV/atom. Furthermore, the density and atomic weight for Fe are 7.65 g/cm3 and 55.85 g/mol

Q: What is the molar mass of a non-electrolyte when 780 g of this compound is added to 3.0 kg of water…

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Q: 5. Use the Helmholtz equation to calculate (OU/aV), for n moles of a gas using the van der Waals…

A: Given : Use the Helmholtz equation to calculate ∂U∂VT for n moles of a gas of a gas using the van…

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A: The Kelvin equation to be used is given as:

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Q: (a) Effective nuclear charge stays about the same when one goes down a group. (b) Group 17 elements…

A: (a) Effective nuclear charge stays about the same when one goes down a group. FALSE Explanation- In…

Q: A compound contains 31.0% potassium, 8.6% boron, and 60.4% fluorine by mass. What is the empirical…

A: Given that potassium =31 %Boron =8.6 % Fluorine =60.4 %

Q: Combustion of 1 g of gasoline releases 11.5 kcal of energy. How many kilojoules of energy is…

A: The amount energy released is to be calculated in kilojoules and joules.

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A: Enthalpy of vaporization of water at its normal boiling point, ΔH = 418.2 cal/g Required water…

Q: Air is generally assumed to be 79% nitrogen and 21% oxygen on a volume basis. What is the…

A: Given data: Composition of air on volume basis is, N2 = 79 % O2 = 21 %

Q: - A photon has an energy of 5.00×10-19 Joules. What is its wavelength in nm ? B) The frequer…

A: Given  that

Q: A liquid mixture is made of 15 kg Benzene (MW= 78), 30 kg Toluene (MW=92) and 15 kg Xylene (MW=106)…

A: