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Problem- Which solution has the lower freezing point a) 5 g of ch3oh in 250 g of water or b) 10 g of ch3ch2oh in 500 g water. Explain why
Give your answer with short explanation
Calculate the zero-point energy of a harmonic oscillator consisting of a rigid CO molecule adsorbed to a metal surface by a bond of force
Part A Given 7.80 of butanoic acid and excess ethanol , how many grams of ethyl butrate would be synthesized , assuming a complete 100% yield
Given K=6.45x10^5 for 2NO(g)+O2(g)=2NO(g) at 500K, what concentration of oxygen would be needed to maintain equilibrium in a system where NO and NO2 are known to be at equal concentrations.
Keq is 1.60 at 933 K for this reaction. H2(g) + CO2(g) H2O(g) + CO(g) Calculate the equilibrium concentration of hydrogen when [CO2] = 0.290 mol/L, [H2O] = 0.250 mol/L, and [CO] = 0.210 mol/L.
An aqueous solution contains 167 g CuSO4 in 820 mL of solution. Calculate the : a. Molarity b. Percent by mass c. Mole fraction d. Molality of the solution, The density of the solution is 1.195 g/mL
A solution containing Pt4+ is electrolyzed with a current of 5.00 A. How long will it take to plate out 77% of the platinum in 0.50 L of a 0.010 M solution of Pt4+?
Give the formula of a product derived from the first-named substance that may be formed in the following reactions. (Note, in the example that any lower oxidation state compound is possible: but not any higher one. Some are more probable than othe..
Consider the gas phase reaction 2 HCL = H2 + Cl2 for which Kc = 16 at 523 Kelvin. If .030 moles of HCl is introduced into a 1 L vessel at 523 K
Determine the value of the solubility-product constant if solubility of T3U2 =4.24× 10-20 mol/L.?
After adding the two portions of water into your calorimeter setup and following the procedure outlined in the experiment, you determine the temperature of the mixed portions of water to be 45 oC. What is the heat capacity of the calorimeter. Assu..
The thyroid horone thyroxine has the chenical formula C15H11Iodine4NO4. How many milligrams of C15H11Iodine4NO4 can be produced from 4.31x10^2 mg of iodine atoms, about twice the amount that a typical adult consumes in one day
calculate the concentration of so2 that must be reached in polluted air if the dissolved gas is to produce a ph of 4.0
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