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The volatile liquids A and B are confined to a piston and cylinder assembly. The pure vapor pressure of A is 165 torr, and for B is 85.1 torr. Initially only the liquid phase is present, as the pressure is reduced, the first vapor is observed at a total pressure of 110 torr. Calculate the mole fraction of A.
What is the molarity of an unknown acid if 40.5 ml of the acid can be titrated
Write a detailed mechanism for this reaction that accounts for the net retention of detailed mechanism for this reaction that accounts for the net retention of configuration when Ag+ and a low concentration of hydroxide are used.
Compute the work of expansion(in Joules) accompanying the complete combustion of 1.0 grams of sucrose C 12 H 22 O 11 to CO 2 and (a) liquid water, (b) water vapour at 20 degrees Celsius when the external pressure = 1.0 atm
5.00g of Mg was reacted completely with Cl2 to form MgCl2 and 63.0kJ of heat was evolved. what is the molar enthalpy of formation of MgCl2?
Does the melting point obtained for your product indicate that the sample is indeed phenacetin? What additional evidence can you cite
he generated the hydrogen gas needed to lift the balloon by mixing a large amount of iron with aqueous sulfuric acid. if he used 1000 lbs. of iron and excess sulfuric acid, how many liters of hydrogen gas were made?
Calculate the volume occupied by 1.00 mol N2 using the van der Waals equation in the form of a virial expansion at its Boyle temperature. Assume that the pressure is 10 atm throughout.
A 35.0 mL sample of gas is enclosed in a gas tight syringe at 22 degrees celsius. If the syringe is immersed in an ice bath at 0 degrees celsius, what is the new gas volume?
10 grams of potassium chlorate (KClO3) is heated and decomposed, what mass of oxygen gas will be formed?
reacts with excess Mg to produce 4.20L of H2 gas at 745 mmHg pressure and 35 degrees celcius. What is the molarity of the HCl solution?
Explain, phenomena in terms of atomic structure and behavior. When you lightly bump into a car, why does it dent and not create a hole.
why is a stemless funnel recommended for filtration of the hot saturated solution? 2. in your buchner funnel, can you use filter paper that is to big for the funnel and curls up around the edges? why?
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