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What is the [H+] of a solution prepared by mixing 100 ml of 0.1 M acetic acid and 50 ml of 0.1 N NaOH?
What mass of F2 is needed to produce 205 g of PF3 if the reaction has a 79.3% yield?
What is the density of lead (in ) if a rectangular bar measuring 0.500 in height, 1.55 in width, and 25.00 in length has a mass of 220.9 ?
C7H6O3 + CH3OH --> C8H8O3 + H2O In an experiment 1.50 g of salicylic acid (C7H6O3) is reacted with 11.20 g of methanol (CH3OH).
Without doing detailed calculation, arrange the following 0.10 M aqueous solutions in order of increasing pH. Explain your ordering.
A chemical engineer injects limestone into the hot flue gas of a coal burning power plant to form lime, which scrubs SO2 from the gas and forms gypsum (CaSO4.2H2O). Find Kc for the following reaction
Calculate the change in internal energy of the system and determine whether the process is endothermic or exothermic: a) a balloon is heated by adding 850J of heat. It expands,
For the following reaction: 2A + B + C --> 3P If the rate of disappearance of A ((delta)A/(delta)t) is -0.77 mol/(L s), what is the rate of appearance of P in mol/(L s)?
How many milliliters of 0.121 M H2SO4 are needed to neutralize 0.220g of NaOH? If 42.5mL of 0.220 M HCl solution is needed to neutralize a solution of Ca(OH)2, how many grams of Ca(OH)2 must be in the solution?
Calculate the degree of dissociation and dissociation constant of the salt and how many times the reaction rate changes in the presence of catalyst at the same temperature.
The below table lists pressure and volume measurements for air in a cylindrical piston of an air compressor. The variables may be assumed related
What must be the initial temperature of 22g of steam that is mixed with 90g of water at 68 degree celcius in an adiabatic calorimeter with a heat capacity of zero and that produces
What is the gas pressure (in atm) inside a 2.43-L bulb that contains 2.88-g of Ne at a temperature of 32.9 C?
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