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Consider the following reaction: A(g)= B(g)+C(g) Find the equilibrium concentrations of A, B, and C for each of the following different values of Kc. Assume that the initial concentration of A in each case is 1.0 M and that the reaction mixture initially contains no products. Make any apprpiate simplifying assumptions. 1) Kc=2.0 2)Kc=1.6*10^-2 3)Kc=2.0*10^-5
In combustion analysis, 2.00mg of vitamin C yielded 3.00mg CO2 and 0.816mg H2o. From mass spectrometry, it was found that the molecular weight of vitamin C is 176amu. Determine the mass composition of vitamin C, its empirical formula, and its molecul..
Drag the flask and drop it on the lower half of the burette to connect them. Open the Data window and click on the flask. Click the Pushpin icon in the blue bar of the Data window to lock its display to the flask's contents.
Suggest simple laboratory tests you could use to distinguish acetone, carbon tetrachloride, cyclohexane, ethyl ether and ethanol.
When one mole of solid NaOH is dissolved in 1L of solution, 44.5kj of heat are released. How much heat is released when 1.00g of NaOH is dissovled in 100.0mL of water?
The metal barium crystallizes in a body-centered cubic lattice. If the density of barium is 3.51g/cm3, what is the unit cell volume?
An electron moves from n = 1 to the n = 6 energy state on absorbing energy. Match the energy absorbed (in Joules) with the one electron ion to which this electron belongs.
A solution is 0.1 mM in NaF, Na2CO3, and Na3PO4. What would be the order of precipitation as a source of Ca2+ is added gradually to the solution? The relevant Ksp values are Ksp [CaF2] = 4.0×10-11, Ksp[CaCO3] = 8.7×10-9, Ksp[Ca3(PO4)2] = 1.3×10-32..
Calculate the half life of N2O5 and B. how long does it take for the N2O5 concentration to drop one tenth of its original value. * I believe the half life is 10,000 seconds for part A. But I am having trouble with part B.
The Cu is added to the calorimeter, and after a time the contents of the cup reach a constant temperature of 30.2 *C. Determine the amount of heat, in Joules, lost by the copper block
What is the molality of a solution in which 15g of I2 is dissolved in 500g of alcohol?
A sample of nitrogen gas in a 4.7-L container at a temperature of 28°C exerts a pressure of 3.6 atm. Calculate the number of moles of gas in the sample.
How many grams of aqueous iron bromide will be needed to react with an excess of potassium phosphate,K3PO4,to produce 17.1 g of solid iron phosphate?
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