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10 mol/s of liquid benzene at 20°C and 1 bar is pumped to 5 bar. At the inlet conditions, the molar volume of benzene is 11.8 liter/mol. Estimate the outlet temperature of the benzene and the work done by the pump in kW. What assumptions have you made?
Water from a 5-mL pipet was drained into a weighing bottle whose empty mas was 9.974 g to give a new mass of 14.974 g at 26 degrees celcius. Find the volume of the pipet
For the following reaction, 4.91 grams of sodium are mixed with excess water. The reaction yields 5.83 grams of sodium hydroxide.
a line in the emission spectrum of an atom occurs at a wavelength of 560 nm. what is the energy difference between the
Using the following reaction: OH- + HC2H3O2 ---> H2O + C2H3O2- a 75.0 mL sample of potassium hydroxide, KOH, of unknown concentration is titrated with 42.5 mL of 0.575 M acetic acid.
What mass of C2H5OH should be added to 620kg of the paraffin in formulating the mixture if the vapor pressure of ethanol at 35 C over the mixture is to be 8 torr? The vapor pressure of pure ethanol at 35 C is 100 torr.
A solution is .450M in HNO3 and 1.3M in Ba(NO3)2. what is the concentrations of No3 in the solution?
required to heat 10.0 grams of silver (Ag) from 112 degrees Celsius to 275 degrees Celsius
For an enzyme that follows simple Michaelis-Menten Kinetecs, what is the value of Vmax if Vo is equal to 1mmnol -1 minute when [s] = 1/10Km?
Suppose that you designed a spacecraft to work by photon pressure. The sail was a completely absorbing fabric of area 1.0 km^2 and you directed a red laser beam of wavelength 650 nm on it from a base on the moon. What is the (a) force, (b) pressur..
what is the underlying electronic reason for all periodic trends?
could 131 g of xe gas in a vessel of 1.00 dm3 exert a pressure of 20.0 atm at 25 c if it behaved as a perfect gas? if
Describe why barium must be disposed of properly. What are the health effects of excess barium in drinking water? What is the maximum allowable concentration of barium in public water systems?
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