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Chlorine gas is to be heated from 100oC and 1 atm to 200oC a. Calculate the heat input (kW) required to heat a stream of the gas flowing at 5 kmol/s at constant pressure b. Calculate the heat input (kJ) required to raise the temperature of 5 kmol of chlorine in a closed rigid vessel from 100oC and 1 atm to 200oC c. What is the physical significance of the numerical difference between the values calculated in part (a) and part (b)?
A 4.305-gram sample of a nonelectrolyte is dissolved in 105 grams of water. The solution freezes at -1.23°C. Calculate the molecular weight of the solute. Kf for water = 1.86°C/m.
What is the energy required to change a spherical drop of water with a diameter of 1.40 mm to two smaller spherical drops of equal size?
How much energy in J is needed to convert 48 g of liquid ethanol at 67 oC to vapor at 97oC. You might need to know that: mp = -114 oC and bp = 78oC The heat of fusion is 4.6 kJ/mol and the heat of vaporization is 46.0 kJ/mol. Finally, the specific..
a 10.00g sample of toothpaste contaning stannous fluoride gives0.145g precipitate of stannous phosphate.what is the percentage of snf2 in the toothpast sample.
a sample contains 67.0% of the R isomer and 33.0% of its enantiomer, what is the observed specific rotation of the mixture?
The calibration points for the Martian temperature scale are the usual melting point of ice and boiling point of water, which are assigned the values 0 °M and 80 °M. the normal body temperature of humans is 98.6 °F. What is this temperature in °M?
The vapor pressure of carbon tetrachloride, , is 0.354 atm and the vapor pressure of chloroform, is 0.526 atm at 316K . A solution is prepared from equal masses of these two compounds at this temperature
what is the reduced mass of benzene. THe atomic masses of C and H are 12.00 and 1, respectively.
The fragment is dissolved in 50.00 mL of (H_{2}SO_{4}) solution is then treated with 2 g of Kl and 50.00 mL of the potassium iodate solution (1L of 0.01000M solution requires 2.14g of potassium iodate).
What volume of distilled water do you need to add to dilute 1 mL of a 100 mM Tris-HCl buffer solution to a concentration of 1 mM
Calculate the degrees of unsaturation in a compound with the molecular formula C3H6 and draw two possible structures, including hydrogen atoms, for the formula.
what is the difference between a 10% (v/v) methanol (CH3OH) solution and a 10%(m/m) methanol solution
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