Determining the molar mass of the solid
A solution containing 0.555 g of an organic solid in 22.0 mL of distilled water shows a freezing point depression of 0.65 C. Assuming Kf for water to be 1.86 K-kg/mol, what is the molar mass of the solid?
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Consider the following statement: To maximise profit, you need to sell your output at the highest price. Analyse the validity of this statement.
An equilibrium mixture of SO2, O2, and SO3 at a high temperature contains the gases at the following concentrations: [SO2] = 3.77 x 10^-3 mol/L, [O2] = 4.30 x 10^-3 mol/L, and [SO3] = 4.13 x 10^-3 mol/L. Calculate the equilibrium constant, Kc for
Martin Company's output for the current period results in a $ 10,000 unfavorable direct labor rate variance and a $ 5,000 unfavorable direct labor efficiency variance.
A solution contains 8.90g of KBr in 500.0mL of solution and has an osmotic pressure of 6.99atm at 25 degree C. Calculate the van't Hoff factor for at this concentration.
Question: A private shipping company will accept a box for domestic shipment only if the sum of its length and girth (distance around) does not exceed 108 in. What dimensions will give a box with a square end the largest possible volume?
Samount of his spare time to Beth's Gallery, a not-for-profit museum. He donates 50 hours to audit the books and 80 hours selling products at the museum store.
Neal Company would like to initiate a management development program for its executives. The program would cost $120,000 per year to operate.
A reaction in which A, B, and C react to form products is zero order in A, one-half order in B, and second order in C. By what factor does the reaction rate change if B is doubled (and the other reactant concentrations are held constant)?
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