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At 25 degrees Celsius the concentration of N2 in H2O was determined to be 7.2 x 10^-6M. compute the partial pressure of N2 at the surface of theH2O in mmHg. The Henry's law constant for nitrogen gas =1.3x 10^-3 mol/L x atm? at 25 degrees Celsius
Suppose .30 mol of Ammonia and .40 mol of oxygen are added to a 5L container. If Y mol of water is present at equilibrium, calculate the equilibrium concentration of oxygen?
Determine the value of pH of given solutions that are (a) a solution that is 0.40 M CH3CO2H, (b) a 0.40 M CH3CO2H solution, (c) 0.20 M NaCH3CO2. And explain your answer too?
A rectangular beam made using concrete with f'c = 6000 psi and steel with fy=60000 psi has a width b= 20 in. The concrete modulus of rupture fr=530 psi. The elastic moduli of the concrete and steel are, respectively,
find out that how many mL of this suspension must be given to an infant with 21lb weight if the recommended dose =10 mg/kg body weight?
What is the mass of sodium ion circulating in the blood if the concentration of sodium ion in this individual is 0.135M.The average adult has a total blood volume of 5 liter.
Which is the excess reactant in the given reaction Na 2 S + CuSO 4 Na 2 SO 4 + CuS it is given that you start this reaction wit 15.5 grams of Sodium sulfide and 12.1 grams of copper sulphate?
Calculate the rate constant for the reaction when the reactant concentration in a first-order reaction is given 7.30×10-2M after 15.0s and it is also reported 4.40×10-3M after 65.0s . ?
Compute the number of mL of 2.00M H2SO4 required neutralizing 125.5mL of 1.2M KOH
It is given that the v.p. of water =233.7 mm Hg.at 70 degree Celsius then calculate the vapor pressure? express your answer in mm Hg ?
Determine the work done by the evolution of H 2 in the subsequent reaction on the surrounding atmosphere with1atm pressure and at 25 degree celsius temperature and express your answer in Joule
An unknown mass of each of the given substances 1.Sand (tf=70.4 C),2.Pyrex glass(tf=67.6 C),3.water(tf=55.9 C) ,4.ethanol (tf=45.9 C), initially at 19.0 degrees Celsius, absorbs 1930 Joules of heat. Find out the mass of each substance.
Find the rate of the reaction - What is the rate of the reaction?
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