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Explain what is the pH of the solution when 18.30 mL of 0.137 M trisodium hemimellitalate trisodium benzene 1,2,3, tricarobxylate is mixed with 25.00mL of 0.274 M HNO3 (to two d.p.)?
pKa1= 2.88, pKa2=4.75
if a closed vessel is charged with 88000.0 pa of nitric oxide and allowed to react with excess liquid bromine what is
Which of the following best describes a competitive inhibitor, I: A. As [I] increases, there is a decrease in VMAX and an increase in KM,app. B. As [I] increases, there is a decrease in VMAX and an decrease in KM,app
A filtration could be very time consuming if it were not aided by a gentle suction which is developed by:
We have a refrigeration unit that works at a pressure of 0.1MPa in the evaporator and 1 MPa in the condenser. The refrigeration unit uses a compressor with an efficiency of 90% and a turbine with 100% efficiency is used to expand the refrigerant a..
Benzene has heat of vaporaization 31 kj/mol and at 25 C has vapor pressure of 108 mm Hg the normal boiling point of benzene is ln 760/108 =31/8.314(1/298-1/t2)
Calculate the pressure exerted by Ar for a molar volume of 1.04L/mol at 475K (a) the ideal gas law and (b)using the van der Waals equation of state. The van der Waals parameters a and b for Ar are 1.355 bar dm^6/mol^2 and 0.0320 dm^3/mol, respecti..
suppose the wind speed in a hurricane is 09 mph mih. a find thenbspdifference in air pressure pa outside a home and
calculate the ph of the buffer system make up of 0.15m 0.35m nh4cl. will you explain how to solve this. step by
Compute the wt% Ag in ideal prousite (Ag3AsS3). What is the maximum quantity of silver (in try ounces) that can be extracted from a ton of ore containing 90 wt % quartz and quartz and 10 wt % ideal prousite ? 1 oz troy = 31.10323 g; 1 short ton = ..
Determine the value of K (the thermodynamic equilibrium constant) at each temperature. b) Assuming that ?H°rxn is independent of temperature, determine the value of ?H°rxn from these data.
A particular cylinder weighs 122 lbs when empty, and 155 lbs when filled with argon gas at 26°C. How many SCF of Ar does this cylinder contain
If the curves A and B refer to two different gases, He and O2 at the same temperature, which is which. and Why.
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