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The respective molar heats of fusion and vaporization in kJ/mol for H2O are 6.008 and 40.67. Specific heats in J/g *C for the solid, liquid, and gas phases are 2.092, 4.184, and 1.841, respectively. How many kJ of heat must be applied to convert 100.0 g of ice at 0.0 *C into steam at 140.0 *C?
The solubility of nitrogen gas in water at 0 degree celcius and 1.0 atm is 23.54 mL per liter of the solution. (a) Calculate the Henry Law constant at 0 degree celcius
The following gas phase reaction is second order. 2C2H4(g)--->C4H8(g) Its half life is 1.51 min when [C2H4] is 0.250 M. a.What is k for the reaction?
Write chemical equations showing how each of the following weak bases ionizes water to form OH-. With NH3
The rate expression for a particular reaction is rate=k[A][B]^2. If the initial concentration of B is increased from 0.1M to 0.3M, the initial rate will increase by which of the following factors
if 5.77 g of S is reacted with 10.0 g of O2, how many grams of SO3 will be produced?
Complete the following calculation: a student wants to react mg(s) with 100ml of 1.5M hcl, but the intent is to have all the mg(s) react, while leaving 50% of the Hcl unreacted. How much Mg i grams should the student add to the HCl
1.464 g of an unknown hydrocarbon (112.6 g/mol) burns in bomb calorimeter in excess oxygen. The heat capacity of the calorimeter,Cv, = 5.234 kJ/ºC and ?T =5.744 ºC. Find ?E for this hydrocarbon in kJ/mol.
When the pollutant's concentration reaches 90% of its steady-state value, the flow of the pollutant is stopped. On what date will the concentration of the pollutant fall to 1% of its maximum concentration? Assume that the rate constants of the inc..
Chemical reaction calculations, 1. Unbalanced equation SOCL2(1) + H2O(1) --- SO2(g) + HCl(g). How many molecules of H2O can 35.0 grams of thionyl chloride remove?
Calculate the concentration of all the species, ions, and molecules, and the pH of the following solutions. All solutions have a total volume of 1.00 liter and contain
considering the given equationcuscn kio3 hcl rarr cuso4 kcl hcn icl h2o balance the equation using the smallest
The mixture is 20% benzene by volume. A densitometer gives the density of the mixed stream to be 1.1 g/mL. What are the mass fractions of all three species?
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