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Calculate q, w, ?E, and ?H for the process in which 80.0 g of nitrous oxide gas (N2O) is cooled from 162°C to 53°C at constant pressure of 5.00 atm. (See Table 9.1.) N2O Cv J/K mol = 30.38 Cp J/K mol = 38.70
List the individual steps used in constructing a Born - Haber cycle for the formation of barium iodide (BaI2) from the elements. Which of the steps would you expect to be exothermic
At 298, 1 atm, the heat produced by the reaction of 4.00mol of NO with molecular oxygen heats 1.07L liquid water from 298k to 348k. Calculate enthalpy for the reaction 2NO + O2 -> NO2, at 298k. Assume constant pressure and no heat lost.
hat conclusions can you make concerning the size of the central atom X and the X-H bond length? Compare the four models of CHBrICI. Are they all the same (superimposable on each other? If the answer is yes, can you construct any that are not the s..
Why is the first step in an electrophilic aromatic bromination reaction so much more endothermic than the first step in an electrophilic addition to an alkene
If the pressure exerted by a gas at 25°C in a volume of 0.032 L is 2.79 atm, how many moles of gas are present?
When iron chloride FeCl3 is dissolved in water the solution becomes acidic. The preparation of the Fe(NO3)3 solution and the KSCN solution used 0.5 M HNO3 as the solvent instead of water. Explain why this was done.
What is the system that is buffered, what is the pH of the system and what compounds are responsible for the buffered system?
Calculate the basic buffer capacity of a solution of 50.00 mL of 0.334 M HC2H3O2 to which is added 50.00 mL of 0.154
Draw a series of titration curves for the titration of a strong base with a strong acid where the concentration of the acid is 10 -1 , 10 -2 , and
The Henry's law constant for N2 in water at 37 °C is 8.2 × 10-7 M/mm Hg. What is the equilibrium concentration of N2 in water when the partial pressure of N2 is 605 mm Hg?
Phosphorus-32 has a half-life of 14.0 days. Starting with 8.00 g of 32 P, how many grams will remain after 98.0 days?
A low melting metallic element has a vapor pressure of 28.2 torr at 458. oC. and a vapor pressure of 420. torr at 710. oC. What is the enthalpy of vaporization of this metal in kJ/mol?
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