A compound with a partition coefficient
A compound with a partition coefficient (Kp) of 0.5 betweensolvents A and B ([A]/[B] = 0.5) is dissolved in 100 mL of A. Which is more effective: extracting once with 70 mL of B or extracting twice with 35 mL of B each time?
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Two gases are contained in gas bulbs connected by a valve. Gas A is present in a 32 Lbulb at a pressure of 399 torr. Gas B exerts a pressure of 884 torr in a 87 L bulb. What is the partial pressure of gas B after they equilibrate once the valve ha
The two largest cable providers are Concast cable Connections, with 21.5 million subscribers, and Time Warner Cable with 11.0 million subscribers. Suppose the management of Time Warner Cable subjectively assesses a probability distribution for the
What is the probability of a Type II error if the true proportion of retail firms with foreign majority stockholders is forty percent? If we require that Type II error at 40% and Type I error be the same, what sample size would be required?
The pressure at section 1 is 156 kPa gage, and the atmospheric pressure prevails at the exit of the jet. Calculate the speed of the flow at the nozzle exit and the force required to hold the nozzle stationary.
A compound with a partition coefficient (Kp) of 0.5 betweensolvents A and B ([A]/[B] = 0.5) is dissolved in 100 mL of A. Which is more effective: extracting once with 70 mL of B or extractingtwice with 35 mL of B each time?
A 33.42 g stainless steelball bearing at 117.82°C is placed in a constant-pressure calorimeter containing 120.0 mL of water at 18.44°C. If the specific heat of the ball bearing is 0.474 J/g·°C,calculate the final temperature of
(a) What is the electric field at the sphere's surface? (b) If V = 0 at infinity, what is the electric potential at the sphere's surface?
My question is about problem 45a in chapter 6 of John McMurry'sOrganic Chemistry, 7th ed. In this problem, we are asked todetermine whether a substituted alkene should be designated "Z" or"E".
A second order reaction whose rate constant at700 oC was found to be 4.0 x 10-3 L/mol.s hasan activation energy of 35.0 kJ/mol. What is the rate constant fort his reaction at 850 oC?
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