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All numerical answers must be reported to the correct number of significant figures. What volume of 1.000 M LiCl must be diluted with water to prepare 250.0 mL of 0.100 M LiCl?
Compare the relative reactivities of the alkyl halide substrates used in this experiment to both SN1 and SN2 reaction conditions.
A solution is prepared by dissolving 3.65 g of an unknown nonelectrolyte in 15.00 g of cylcohexane (tf = 6.6 oC and kf = 20.0 oC/m).
the reaction was found to be first order both with rspect to NO and O3 (expressing concentrations as molarity) What are the units of the rate constant K for this reaction?
One liter of a buffer solution is prepared by dissolving 0.150 mol of NaNO2 and 0.070 mol of HCl in water. What is the pH of this solution? If the solution is diluted two fold with water, what is the pH?
certain substance has a temperature of 30 oC, a mass of 10.2 g and a density of 1.02 g/cm3. What will the % concentration, temperature, mass and density of 20.0 mL of this solution be?
An unknown radioactive substance has a half-life of 3.20 hours. If 46.0 g of the substance is currently present, what mass was present 8.00 hours ago
Benkart's Tie Store has fixed costs of $180,000. Tires sell for $75 each and have a unit variable cost of $30. What is Benkart's break-even point in units?
calculate the pH of the solution that results from adding 8.50ml of 0.100M NaOH to 50.00 mL of a 0.0500M solution of acetic acid.
Convert ethanol to 2-butanol using any series of reactions and inorganic reagents
calculate the probability of occupying each state when T = 50, 500, and 5000 K. As the temperature continues to increase, the probabilities will reach a limiting value. What is this limiting value
Three solutions 61.0 mL of 0.2 M KNO3; 63.0 mL of 0.3 M Ca(NO3)2; and 69.0 mL of 0.385 M KCl were poured together to make one new solution.
Someday, cars may be powered by clean H2/O2 fuel cells and electric motors. Under standard conditions, such a fuel cell can develop 1.229 volts. If the oxygen is obtained from air (at P=0.21 bar), what pressure of H2 would be required to develop 1..
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