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The equilibrium constant, K, for the following reaction is 1.48×10-2 at 604 K.
An equilibrium mixture of the three gases in a 10.6 L container at 604 K contains 0.167 M COCl2, 4.98×10-2 M CO and 4.98×10-2 M Cl2. What will be the concentrations of the three gases once equilibrium has been reestablished, if the equilibrium mixture is compressed at constant temperature to a volume of 5.01 L?
Using the volumes of sodium thiosulfate solution you just entered and the molarity of the potassium iodate primary standard solution, calculate the molarity of the sodium thiosulfate secondary standard solution for each trial.
when the radiation is directed at 254.4 nm of a mercury lamp on asample of cesium electrons are ejected with a speed of
0.00334 moles (total) of NaOH were added to an aspirin solution. 0.000884 moles of HCl were required to back titrate the excess NaOH to a colorless endpoint. Explain how many moles of aspirin are in the sample
question briefly explain how to make an acetic acid acetate buffer? give the chemical reaction between this buffer and
Determine the boiling point of a solution of 22.5 g of fructose, C6H12O6 , in 294 g of phenol.
an aqueous solution is 36 by mass silver nitrate agno3 and has a density of 1.41 gml. what is the molality of silver
Calculate the hypothetical retention times for caffine and aspartame if their retention factors were reduced by 28.0 %. Assume the mobile phase retention time (tm= 29.7 s) remains constant.
Determine how much heat is evolved or absorbed when 25.0 of lithium iodide completely dissolves in water. Lithium iodide has a lattice energy of -7.3 X 10^2 kJ/mol and a heat of hydration of -793 kJ/mol.
A 43.0 g sample of Fe metal at 90.0°C is placed into 150.0 mL of water at 22.5 °C. After equilibrium is reached the final temperature of the system is 24.5°C. What is the specific heat capacity of the metal
Together, Americans drive about 5.0 x 109 miles per day, and their cars get an average of 22 miles per gallon of gas used. For each kilogram of gasoline used, about 3 kg of carbon dioxide is produced.
What pressure will the sample have if the volume changes to 268 mL while the temperature is increased to 815 K?
the Center of Science and Industry (COSI) and saw and exhibit called shadow pictures. It is where you stand in front of this "screen-like board"
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