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A reaction that is spontaneous can be described as a.releasing heat to the surroundings. b. increasing in disorder. c.proceeding in both the forward and reverse directions. d. having the same rate in both the forward and reverse directions. e.proceeding without external influence once it has begun.
Calculate the amount of energy in the form of heat that is produced when a volume of 3.75 L of SO2(g) is converted to 3.75 L of SO3(g) according to this process at a constant pressure and temperature of 1.00 atm and 25.0 °C. Assume ideal gas beha..
if iodine gas reacts with excess fluorine gas to produce 7.575 g of iodine penta fluoride gas, what was the pressure of the iodinee gas before reacting if it was kept in a 1.5L flask at 298 k
What is the expected freezing point of a 0.50 m solution of Li2SO4 in water? Kf for water is 1.86°C/m.
Describe how you would construct your target electrochemical cell, including the identities and concentrations of all chemical species, as well as a diagram of the setup.
At a certain temperature* (probably not 25 ºC), the solubility of silver sulfate, Ag2SO4, is 0.023 mol/L. Calculate its solubility product constant for this temperature.
Uric acid dissociates as shown in the figure at the right with a pKa of 5.80, and can be treated as a simple monoprotic acid in this pH range. Its solubility in urine depends on the relative amount of protonated and unprotonated forms. A urine sam..
If the total pressure in the cylinder is 2490 mmHg, what is the partial pressure of each of the components? Assume constant temperature.
2.00 L of H2 at a pressure of 398 torr and 1.00 L of N2 at an unknown pressure. If the total pressure in the flasks is 331 torr after the stopcock is opened,
Energy in the amount of 421 J is added to a 69g sample of water at a temperature of 23.0 C. What will be the final temperature of the water?
How many GRAMS of zinc iodide are present in 1.56 moles of this compound? and explain to me how to find it
The rate constant for the first-order conversion of A to B is 3.33hr-1. How much time will be required for the concentration of A to reach 75% of its original value?
Describe the effect on pH (increase, decrease, or no change) that results from each of the following additions: (a) potassium acetate to an acetic acid solution,
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