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Methane enters a heat exchanger at a volumetric flow rate of 120.0 m3/min, at a pressure of 1.013 bar and temperature of 5.0°C. At these conditions, the specific enthalpy of methane is -45.181 kJ/kg. The methane leaves the heat exchanger at a pressure of 1.013 bar and temperature of 85.0°C. The corresponding specific enthalpy at these conditions is 137.586 kJ/kg. The methane is heated by a stream of saturated steam entering the heat exchanger at 1.9 bar and leaving as a liquid at 60.0°C. Find the volumetric flow rate of saturated steam into the heat exchanger by following the steps below
1.What is the mass flow rate of methane into the heat exchanger?
2.What rate of heat is supplied to the methane stream in order to heat it from 5.0°C to 85.0°C?
3.What is the minimum mass flow rate of saturated steam into the heat exchanger?
4.What is the volumetric flow rate of saturated steam into the heat exchanger?
The emulsifying agent from hand cream, a salt, is prepared from two chemicals. Write the structure of stearic acid.
the temperature inside a pressure cooker is 111°C. Calculate the vapor pressure of water inside the pressure cooker.
Estimate the percent change in the volume of a sample of glycerol if it is pressurized
has freezing point depressiom constant of 42.8 C/molal .if you mix 29.67 grams of camphor with 4.28 grams of triose (C18 H32 O11), wht will be the new melting point of the mixture
Despite its apparent unsaturation, no hydrogen was absorbed on catalytic reduction over a Pd/C catalyst. On treatment of A with dilute H2SO4, dehydration occurred and an optically inactive alkene B, C11H14 was produced as the major product.
To determine the empirical formula of ester, 1.02g of the ester was burnt completely in excess oxygen. The only products formed were 2.20g of carbon dioxide and .90g water vapor. Calculate the mass of oxygen in 1.02g of the compound.
What is the volume percent concentration of (a) 35.0mL of water in 725mL of an ethanol-water solution,and (b) 78.9mL of acetone in 1550
Assume 1.00 mL = 1.00 g What numerical value will be used for the moles on the right hand side of the equation above?
Tank full of water (H2O)is open at the top with the hole near the bottom the area of which is 0.25 m^2 and the cross section area of the tank =1 m^2 determine what is volumetric flow rate out of the hole.
A common way to determine CEC of a soil is to saturate the CEC with NH4+ ions. If a soil holds 286mg
when 1-bromo-2-methylhexane undergoes solvoysis in methanol, four major products are formed.
CaC2 (s) + 2H2O (l) → C2H2 (g) + Ca(OH)2 (aq) If 32.0 g CaC2 are consumed in this reaction, how many moles of H2O are needed?
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