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At high temperatures phosgene (COCl2) decomposes to give carbon monoxide CO and Cl2. In a typical experiment, 0.631 g of COCl2 is injected into a flask of volume 472 cc. When equilibrium is established, it is found that the total pressure is 2.175 atm. Calculate K for the reaction. The temperature is 1000K.
a 1.00L buffer solution is 0.250 M in HF and 0.250 M in NaF. Calculate pH of the solution after the addition of 100.0mL of 1.00M HCl. Ka for HF is 3.5x10^-4
A sealed glass jar has a small amount of water on the bottom. The rest of the volume in the jar is taken up by helium gas at a partial pressure of 526 Hg, and water vapor. If the total pressure inside the jar is 760. mmHg, what is the temperature ..
Dissolving 3.00 g of an impure sample of CaCO3 in an excess of HCl acid produced .656 L of CO2 (measured at 20 degrees C and 792 mmHg). calculate the percent by mass of calcium carbonate in the sample. State any assumptions.
showing electron flow with arrows, for the acid-catalyzed hydrolysis of ethyl acetate to acetic acid and ethanol- the reverse of a Fischer esterification reaction.
Explain why the colour of the light emitted by an element in the gaseous state is characteristic of the element & explain with a sketch diagram how a hydrogen atom, which has only one electron, has so many spectral lines.
A mixture of .148 moles of C is reacted with .117 moles of O2 in a sealed 10L container at 500K producing CO and CO2. The total pressure is .640 atm. What is the partial pressure of CO?
A thyroid condition called Goiter can be treated by increasing Iodine in the diet. Iodized salt contains Calcium Iodate, Ca(IO3)2, which is added to table salt.
Find the partial pressure of each produce and the total pressure in the flask at the end of the reaction.
ideal gas on a cool morning (11*C). The air is heated to 103*C. What is the volume of the air in the balloon after it is heated?
How many moles of molecular oxygen are consumed by the complete combustion of one mole of the following compound?
The rate constant for a certain reaction is = 5.70×10-3 s^-1. If the initial reactant concentration was 0.650 M, what will the concentration be after 14.0 minutes.
What is the equivalence point volume? What is the cell potential at each of the following volumes of added Ce4+ ?
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