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For the subsequent aqueous salt solutions, identify each as acidic, basic or neutral, and give the concentration of each ion in the solution at equilibrium you may need to look up some Ka and Kb values
a.) 1.0 M NaCl
b.) 0.67 M Sr(OH)2
c.) 2.4 M LiC2H3O2
carbon and oxygen occupies a volume of 452 ml at 63 C and 745 mmHg. identify the gas in the sample (R= 0.0821 L*atm/K*mol)
how many grams of calcium carbonate are needed to produce 374 mL of carbon dioxide gas at STP?
Later the student discovered that the percent H2O2 derived from this determination was less than the percents obtained from the second and third determinations, both performed at room temperature. Briefly explain.
Calcultae the observed rotation of a mixture of + and - tartaric acid containing 60% of the S isomer
A sample of helium gas occupies a volume of 24.9 mL when meassured at 20.9 degree C and 527 torr. What is the volume of the gas in mL if the temperature is increased to 99.8 degree C and the pressure remains constant
The vapor pressure of pure methyl alcohol at 19 degrees celcius is 90.0 torr and that of pure ethyl alcohol is 40.0 torr. Assume a mixture of methyl alcohol and ethyl alcohol is ideal.
Once the pKw's at the three temperatures are determined, the Van't Hoff equation can be used to determine Delta H for the reaction, and from that Delta G, and Delta S can be calculated.
The atmospheric pressure in La Grande (683 atmospheric pressure) is significantly lower than that of Portland
The electroplating process used by Consolidated Metal is designed to galvanize 200 washers per batch with each washer having an average 0.35g Zn coating. If Consolidated uses an electrical current of 175 amperes(A)
What is the pH of a solution prepared by dissolving 11 mmol of a weak base in 350 mL of a 0.199-M solution of its conjugate acid
How many miles could you drive for $3.90 if the gas mileage of your car is 14.0 km/liter of gasoline and the price of gasoline is $0.96/gal
once released into the atmosphere the so2 is likely to react with oxygen to form so3. what can happen next if the so3
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