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Question:
A heat exchanger is used to transfer heat from a steam stream to a chlorine gas stream. 100 kg of steam at 1 bar and 250*C enters the heat exchanger and leaves the exchanger as saturated steam at 1 bar. Chlorine gas enters the exchanger at 1 bar and 40*C and leaves the exchanger at 136*C. Assume the heat exchanger is adiabatic.
a) What is the specific enthalpy of outlet chlorine gas stream?
b) How many moles of chlorine gas enter the heat exchanger?
c) What is the ratio of the volume of inlet steam to the volume of inlet chlorine gas? Use the ideal gas law to calculate the volume of chlorine entering the process.
d) How much heat is transferred from the steam stream per cubic meter pf chlorine gas?
calculate the percent by mass of the solute in each of the following aqueous solutions.a 5.76 g of nabr in 78.2 g of
Calculate the number of millimoles of HCl needed to reach the methyl orange end point. b. How many millimoles of Na2CO3 reacted with the HCl?
The largest estimate for the amount of water on the moon is currently 1000parts per million (i.e 1000g water per 1000000g of salt). if the moon is made primarily of a pyroxene mineral with formula Fe2Si2O6 what is the "formula" of the hydrate with..
You have 500.0 mL of a buffer solution containing 0.30 M ammonia (NH3) and 0.20 M ammonium chloride (NH4Cl). What will the pH of this solution be after the addition of 20.0 mL of 1.00 M HCl solution? [Kb = 1.8 x 10-5]
Label the anode, cathode and direction of e- flow an write the half reaction equation for each electrode
when 2.45g of an unknown weak acid ha with a molar mass of 85.0gmol is dissolved in 250.0g of water the freezing point
At 25 °C, the equilibrium partial pressures for the following reaction were found to be PA = 1.40 atm, PB = 8.90 atm, PC = 5.10 atm, and PD = 2.50 atm.
A sample of ideal gas at room temperature occupies a volume of 23.0l at a pressure of 232torr . If the pressure changes to 1160torr , with no change in the temperature or moles of gas, what is the new volume,V2 ?
construct molecular models of threo- and erythro-2,3-dibromo-3-phenylpropanoic acid and show which diastereomer would be formed by anti addition of bromine to trans-cinnamic acid
Question- At pH 7, aspartic acid (pks are 1.99, 9.9, and 3.9) would be charges as follow? Please explain your answer.
A 1L flask is filled with 0.25 mol N2and 0.65 mol H2 at 20 oC. These gases react to make NH3, heating up the flask to a temperature of 45 oC.
Disadvantages of using a craig tube in a recrystallization?
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