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A closed vessel contains 0.90 g of liquid H2O in equilibrium with water vapour at 30?C. At this temperature, the vapour pressure of H2O is 31.82 torr. What volume increase is necessary for all of the water to evaporate?
An aqueous vinegar sample contains 5.4% acetic acid by mass and has a density of 1.006 g/mL. Calculate the amount of acetic acid in grams in 2.00 L of this vinegar. Report your answer using the correct number of signi?cant ?gures.
You conduct an experiment where N2 is collected over water in a 2.12 L flask at 23.oC. At the conclusion of the experiment, the total pressure in the flask is 652. torr. What is the pressure of N2 in the flask?
A 45.0-L steel tank at 20.0°C contains acetylene gas, C2H2, at a pressure of 1.39 atm. Assuming ideal behavior, how many grams of acetylene are in the tank?
Calculate the work (in kJ) when 2.20 moles of methane react with excess oxygen at 384 K: CH4(g) + 2O2(g) ? CO2(g) + 2H2O(l) Hint
To the organic chemist, infrared (IR) spectroscopy is especially useful in the determination of the structure of a new compound because it provides information about
Calculate the volume of a .850 M KOH solution necessary to neutralize 25.00 mL of 1.500 M solutions
Calcium carbide, CaC2, reacts with water to form acetylene. CaC2(s) + 2 H2O(l) C2H2(g) + Ca(OH)2(s) How many grams of water are needed to react with 473 g of calcium carbide?
compound be meso if it only has one chiral center? For example, is 1-chloro-1-methylcyclohexane a meso compound?
what is the minimum amount of ammonium carbonate that is necessary to be placed in the flask in order for the system to come to equilibrium? please show work.
the intermediates formed in the base catalyzed cleavage of D-fructose to dihydroxyacetone and D-glyceraldehyde.
The inventor proposed the revolutionary design of the new engine based on the heat stored in the ocean. The inventor plan is to mount it on a boat in San Francisco and set off on a journey across the Pacific Ocean.
A galvanic cell is constructed that has a zinc anode immersed in a Zn(NO3)2 solution and a platinum cathode immersed in an NaCl solution equilibrated with Cl2 gas at 1 atm and 25 degrees centigrade.
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