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A 45- piece of ice at 0 is added to a sample of water at 22. All of the ice melts and the temperature of the water decreases to 0 . How many grams of water are in the sample?
below, 8.34 atm each of H2 and Br2 were placed into a 1.00 L flask and allowed to react: H2(g) + Br2(g) 2 HBr(g) Given that Kc = 86.7, calculate the equilibrium pressure of Br2.
A 25.0-mL sample of 1.00 M NH3 is titrated with 0.10 M HCl. What is the pH of the NH3 before the titration begins? Kb = 1.8 × 10-5
Proceeds at a certain temperature until the partial pressures of H2O, H2, and O2 reach 0.065 atm, 0.0070 atm, and 0.0040 atm respectively. What is the value of the equilibrium constant at this temperature
positron cannot penetrate matter more than a few atomic diameters but positron emission of radiotracers can be
What effect would an increase in temperaure have on the experimentally determined Ksp of KHT?
What is the molality of a solution in which 15g of I2 is dissolved in 500g of alcohol?
when the initial concentration of reactant is 0.71 m a second-order reaction has a half-life of 18 s then determines
calculate the entropy change when argon at 25 degc and 1.00 bar in a container of volume 0.500 dm3 is allowed to expand
A reverse osmosis plant desalinates 5x10^6 L/day of feedwater containing 1500mg/L of salts yielding 3x10^6 L/day of product water with 75 mg/L of salt. What would the salt concentration be in the brine?
Write the net ionic equation for the reaction. Calculate the equilibrium constant for the reaction.
would bromine be a more or less effective disinfectant and bleaching agent than chlorine
Consider the titration of 100.0 mL of 0.100 M H2NNH2 (Kb = 3.0 10-6) by 0.200 M HNO3. Calculate the pH of the resulting solution after the following volumes of HNO3 have been added.
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