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Consider the chemical equation:
CuSO4 x 4NH3 (s) <-------> CuSO4 x 2NH3 (s) + 2NH3 (g) the arrow is an equilibrium arrow. it goes both ways
At 20 degrees Celcius the equilibrium pressure of NH3 (g) is 62 Torr. Calculate the value of Kp for this equation and include the corresponding units.
How many grams of FeSO4.(NH4)2SO4.6H2O (MW = 392.14) must be dissolved and diluted to 250.0 mL to prepare an aqueous solution that is 10.00 ppm Fe2+ by weight (1.00 ppm = 1.00 mg/L)
Why are the Kr---Kr and intermolecular Br---Br distances in the solid form of the two elements practically identical. How would you expect the Br---Br distances in solid CBr4 to be related to the above distances
calculate the freezing point of a nonionizing antifreeze solution containing 388 g ethylene glycol, C2H6O2 and 409 g of water.
Determine hydroxyl and hydrogen ion concentration in this solution. (if Ka for ammonium ion = 5.0 x 10^-10.)
what is the required time at 675 degrees celsious to have only 25% Austenite left during the transformation from Austenite to Pearlite?
How many milliliters of 0.0850 M NaOH are required to titrate 25.0 mL of 0.0720 M HBr to the equivalence point
particular sample of pure iron requires 0.595 kj of energy to raise its temperature from 25oc to 45oc. the specific
fluoride ions, calcium ions, and several other dissolved ions. The ions are evenly distributed throughout the water. Which term or terms could be used to describe this sample of tap water?
A 350 mL air sample collected at 35 degrees C has a pressure of 550. mmHg. What pressure will the air exert if it is allowed to expand to 425 mL at 57 degrees C?
[H+] of the rainfall over Washington, DC is 3.163*10-5 moles/liter. what is the ph of the rainwater
Which monatomic ion has a charge of 1+ and the electron configuration [Kr]4d105s2? Write the element symbol and charge.
How much heat (in kJ) is needed to convert 853 g of ice at -30.°C to steam at 131°C? (The specific heat capacities of ice, steam, and liquid are 2.03 J g-1 °C-1, 1.99 J g-1 °C-1, and 4.18 J g-1 °C-1, respectively. The heat of fusion is 6.02 kJ mol..
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