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A Thermodynamics finds that the enthalpy of formation of ozone O3 (g) at 500 C° and 140 kJ mol-1. What is the value of the enthalpy of formation at 298 K? The heat capacity of ozone is 39.2J K-1 mol-1A Thermodynamics finds that the enthalpy of formation of ozone O3 (g) at 500 C° and 140 kJ mol-1. What is the value of the enthalpy of formation at 298 K? The heat capacity of ozone is 39.2J K-1 mol-1.
Determine how much Nitrogen gas is consumed if 13.6 grams of FeN are formed in above reaction?
The heat of combustion of liquid styrene (C8H8) is -4395.2 kJ/mol at 1 atm and 298 K. a) What is the energy of combustion at 1 atm and 298 K?
The reaction between sulfamic acid and sodium nitrite produced 388mL of Nitrogen gas collected over water at 23 degrees C and 770 mmHg. How many moles of Nitrogen gas does this represent (assuming ideal behavior)
A 0.48 mg sample of sulfur-35 has an activity of 20.4 Ci. What is the decay constant of sulfur-35 (in /s)
Calculate the pH of the following solution: A solution prepared by mixing 10.00 mL of 0.500 M acetic acid with 0.353 g of sodium acetate (NaCH3CO2) and diluting to 250.00 mL without using the Henderson-Hasselbalch equation.
The wavefunction inside a long barrier of height V is f =Ne^(-kx). Calculate (a) the probability that the particle is inside the barrier and (b) the average penetration depth of the particle into the barrier.
A cylinder with a moveable piston contains 0.549 mol of gas and has a volume of 244mL. What will its volume be if an additional 0.301 mol of gas is added to the cylinder? (Assume constant temperature and pressure.)
how many calories are required to raise the temperature of a 150 gram sample of gold from 25 degree celcius to 175
Would the following procedural errors cause an increase, a decrease, or no change in your calculated molecular weight? Indicate clearly the reasoning in each case.
an aqueous cacl2 solution has a vapor pressure of 82 mm hg at 50c. the vapor pressure of pure water at this temperature
If there is the possibilty that the container may rupture if the pressure exceeds 8.0 atm, at what temperature is rupture likely to occur?
The carbon-11 nuclide radioactively decays by positron emission. Write a balanced nuclear chemical equation that describes this process.
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