(If the answer is wrong, or if I did attempt any mistakes, or if you need more explanations, please let me know via comment section. I'll fix it immediately at any cost, because I'm aiming at a zero thumbs down month ! :)
_______________________________________________
Given that:
Factor by which the number of vacancies increased, f = 4
We have:
Substituting Given values to find energy for vacancy formation:
(Please rate the answer if you are satisfied. In case of any queries, please reach out to me via comments)
Chapter 04, Reserve Problem 01: Energy from temperature x Incorrect The number of vacancies in some...
The number of vacancies in some hypothetical metal increases by a factor of 5 when the temperature is increased from 1000 K to 1160 K. Calculate the energy (in kJ/mol) for vacancy formation assuming that the density of the metal remains the same over this temperature range.
The number of vacancies in some hypothetical metal increases by a factor of 4 when the temperature is increased from 1070 K to 1140 K. Calculate the energy (in kJ/mol for vacancy formation assuming that the density of the metal remains the same over this temperature range. kJ/mol
The number of vacancies in some hypothetical metal increases by a factor of 4 when the temperature is increased from 900 ˚C to 1130 ˚C. Calculate the energy for vacancy formation (in J/mol) assuming that the density of the metal remains the same over this temperature range.
The number of vacancies in some hypothetical metal increases by a factor of 6 when the temperature is increased from 1040 ˚C to 1280 ˚C. Calculate the energy for vacancy formation (in J/mol) assuming that the density of the metal remains the same over this temperature range.
Chapter 10, Problem 04 Calculate the free energy required to move 1 mol of K+ ions from the outside of the cell (where [K+] = 3.2 mm) to the inside (where [K+] = 147 mM) when the membrane potential is -77 mV and the temperature is 37.6°C. Give your answer in kJ/mol. kJ/mol the tolerance is +/-2%
Chapter 10, Problem 04 Calculate the free energy required to move 1 mol of K+ ions from the outside of the cell (where [K+] = 3.1 mm) to the inside (where [K+] = 134 mm) when the membrane potential is -77 mV and the temperature is 34.3°C. Give your answer in kJ/mol.
When 1436 J of heat energy is added to 41.2 g of hexane, CH,,, the temperature increases by 15.4 °C. Calculate the molar heat capacity of CH. Cp = 1/(mol·°C) Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 7.10 MJ of energy in the form of heat if the temperature of the sodium is not to increase by more than 10.0 "C? Use Cp = 30.8 J/(K.mol) for...
Chapter 5 and Chapter 10 Problem solving (please practice the following questions and make sure that you understand the principles behind: you can find Ar from textbook or website I. A 145 g sample of copper metal at 100.0°C is placed into 250.0 g of water at 25.0°C in a calorimeter. When the system reaches thermal equilibrium, the temperature of the water in the calorimeter is 28.8°C. Assume the calorimeter is perfectly insulated. What is the specific heat capacity of...
CHAPTER 9 REVIEW QUESTIONS 1How much heat is required to raise the temperature of a 0.04 kg stainless steel spoon from 20°C to 50°C if the specific heat of stainless steel is 0.50 k/kg-C? 5. An ideal gas is confined to a container whose volume is fixed. If the container holds n moles of gas, by what factor will the pressure increase if the absolute temperature is increased by a factor of 27 (A) 200J (B) 400 J (C) 600...
CHAPTER 9 REVIEW QUESTIONS 1. How much heat is required to raise the temperature of a 0.04 kg stainless steel spoon from 20°C to 50°C if the specific heat of stainless steel is 0.50 kJ/kg-C? (A) 200 (B) 400 (C) 600 (D) 800) (E) 1000 5. An ideal gas is confined to a container whose volume is fixed. If the container holds n moles of gas, by what factor will the pressure increase if the absolute temperature is increased by...