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Does the fact that two compounds have different boiling points mean that they definitely can be separated by gas chromatography?
draw a series of titration curves for the titration of a strong base with anbsp strong acid where the concentration of
considering the given chemical reactioncacn2 3h2o --gt caco3 2nh3 .determine how much ammonia would be formed if 187
Calculate the pH of this solution? if we want to lower the pH by one unit of this solution then How many mL of 0.1 M H 3 PO 4 should be added to this solution?
Write simplified expressions in terms of [H+] and Kas and (with insignificant terms removed) for the alpha fractions of the following species of glutamic acid
the volume of a sample of oxygen gas collected over water is 258 mL at 27 degrees C and 620.0 torr. Calculate the volume in milliliters of dry oxygen gas at STP. (the vapor pressure of water at 27 degrees C is 26.7 torr.)
Calculate the pH after the addition of 0.00mL, 20.00mL, 24.00mL, 25.00mL, 26.00mL, 35.00mL, 44.00mL, 45.00mL, 46.00mL and 50.00mL of 0.200 M HClO4.
An average adult inhales a volume of 0.50 l of air with each breath. if the air is warmed from room temperature (20c) to body temperature (37c) while in the lungs.
1 if 50 kj of heat are given off by a chemical reaction in aqueous solution and all the heat is absorbed by the
rigid container of fixed volume holds 0.10 mol of ch4g and 0.20 mol of arg with a total pressure of 600 torr. what
water is flowing through the pipeline, and (b) also when air at atmospheric pressure and 20oC with a density of 1.20 kg/m3 is flowing in the pipeline.
The absolute maximum efficiency for a perfect solar cell in tightly controlled laboratory conditions is 30% whereas a typical commercial cell-say kind you might buy for your house-might be 4 to 15% efficient.
A power company burns approximately 474 tons of coal per day to produce electricity. If the sulfur content of the coal is 1.30% by weight.
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