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When 40.0 grams of a hot gas cools from 96.0C to 20.0C, the volume decreases by 12.5 Liters at a constant pressure of 1.20 atm. Calculate q, w, Delta E, and Delta H for the gas, All in KJ. (specific Heat for gas= 0.500J/gC and 101.3J= L.atm)
The pka of the carboxyl group is 3.0. you have 500liters of 0.1 M acetylsalicylic acid. how much solid sodium hydroxide has to be added to convert all of the acetylsalicylic acid into sodium acetylsalicylate
Compute the bicarbonate and carbonate alkalinities, in mg/L as CaCO3, of the water having a total alkalinity of 233.0mg/L as CaCO3 and a ph of 10.47
Problem- Use the equilibrium constants for reaction (a) and (b) at 200 degrees celcius to calculate the equilibrium constant for reaction (c) at that temperature
Calculate the work done in joules, when 4.5 L of argon expands to 11 L at constant temperature against an external pressure 545 torr.
In a titration experiment, 50.0 mL of 0.375 M HI solution is required to neutralize 35.0 mL of Ca(OH)2 solution. What is the concentration of the Ca(OH)2 solution?
for question 1, 2, and 3, show states of matter and charges where appropriate. Also find molecular equation, total Ionic Equation, and Net Ionic Equation.
change in enthalpy at 25 C and 1 atm for the reaction of 5.00 mol of elemental iron with excess oxygen gas?
Explain the highest possible oxidation state for the halogens is +7 and the lowest possible is -1. Which of the following couldn't disproportionate
What product or products would you expect to obtain by the addition of bromine to cis-cinnamic acid, assuming that it reacts by the same mechanism as the trans acid
By definition, which of the following can be broken down into simpler substances?
Consider the titration of a 20.0 mL sample of 0.105 M HC2H3O2 with 0.130 M NaOH What is the pH at the equivalence point
Calculate the ratio of the hydronium ion in acid rain to that in normal rain.
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