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The internal energy of helium at 300 K and 1atm is 3,800 J, as well as the molar volume at the same temperature is 24.63(liters/mol). Compute the enthalpy of helium at this temperature and pressure and the rate at which enthalpy is transported by a stream of helium at 300k and 1atm whose molecular flow rate is 250 (Kmol/hour). R=0.082 (LATM/MolK). R=8.314(J/KMol). Compute the maximum work of the system.
Sn2 reactions occur at different rates depending on the structure of the substrate in the reaction . Would an Sn2 reaction occur at a faster rate on a primary or a tertiary substrate ? Briefly. Explain your answer
Write the formula for the ion formed when each of the following elements loses its valence electrons?
Two liquids, and , have vapor pressures at a given temperature of 24 and 36 , respectively. We prepare solutions of and at a given temperature and measure the total pressures above the solutions. We obtain the following data
Write balanced molecular equations, complete ionic equations, and net ionic equations for the following reactions. Write "NR" if there is no reaction. All reactants are aqueous solutions.
Calculate the amount of water that must be supplied to a heat exchanger that cools 100 kg/hr of tomato paste from 90C to 20C. The water enters the heat exchanger at a temperature of 8oC
What new compound will be produced in high yield if 2-tert-butyl-chlorooxirane will be treated with sodium methoxide in methanol
How many moles of oxygen are formed when 58.6 g of KNO3 decomposes according to the following reaction. The molar mass of KNO3 is 101.11 g/mol.
when trinitrotoluene tntc7h5 no23 is detonated large volumes of gases are released.if 100g of tnt were detonated what
a student heated a beaker containing a liquid over a yellow flame. after the beaker was removed the student noticed a
A 43.0 g sample of ethylene glycol, HOCH2CH2OH, is dissolved in 540.0 g of water. The vapor pressure of water at 32°C is 35.7 mm Hg. What is the vapor pressure of the water-ethylene glycol solution at 32°C ?
What is the molecular geometry of Cl2CO?
A compound containing only carbon, hydrogen and oxygen was analyzed by combustion analysis. Combustion of a 10.68g sample of the compound in excess oxygen gives 16.01g CO2 and 4.37g H2O.
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