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Problem- Consider a binary system made up of benzene and toluen .it contains 50% of benzene and 50% of toluen at temperature 100C .calculate the equilibrium composition of benzene and toluen in vapor phase and total pressure at these conditions
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A gas mixture contains 1.30g N2 and 0.95g O2 in a 1.57-L container at 22 degrees Celsius. Calculate the mole fraction of N2.
a solid phosphorus pentabromide pbr5 is formed from solidphosphorus p4 and liquid bromine br2 according to the
What reaction pathway is followed when the compound shown is heated with a concentrated solution of sodium ethoxide (NaOCH2CH3) in ethanol?
What is the internal energy change for the gas? Give your answer in joules (J), accurate to three significant figures.
what volume of .2500M colbaat(III)sulfate is required to react completely with 5.00 grams of sodium carbonate?
Problem- The pH of a solution prepared by dissolving 0.350 mol of solid dimethylamine hydrochloride((CH3)2NH2CL) IN 1.00L of 1.10M dimethylmine ((CH3)2NH) is. The Kb for methylamine is 5.40x10^-4. (Assume the final volume is 1.00 L.)
Caculate the kinetic energy of a mole of oxygen atoms, all moving at a speed of 400 m/s (10000 mph).
A 326 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 640. mmHg. Calculate the moles of Ar present.
calculate the pH of the resultant solution: (a) 0.00 mL, (b) 5.00 mL, (c) 25.00 mL, (d) 45.00 mL, (e) 50.00 mL, (f) 51.00 mL.
When iron chloride FeCl3 is dissolved in water the solution becomes acidic. The preparation of the Fe(NO3)3 solution and the KSCN solution used 0.5 M HNO3 as the solvent instead of water. Explain why this was done. Hint: Consider Le Chatelier's Pr..
a sample of nitrogen gas in a 4.7-l container at a temperature of 28degc exerts a pressure of 3.6 atm. calculate the
Clancy consume in order to lower the activity of his ADH on methanol to 5% of it's normal value if the Km values of canine ADH for ethanol and methanol
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