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1. Calculate the mole fraction, molarity, and molality of each compound in an aqueous mixture containing 4 g of ethanol, 0.6 g of chloroform, 0.1 g of benzene, and 5 × 10-7 g of hexachlorobenzene in 200 mL of water.
2. A solution of benzene in water contains 0.002 mole fraction of benzene. The total volume of the solution is 100 mL and has a density of 0.95 g/cm3. What is the molality of benzene in solution?
A businessman wants to donate the funds to establish a new academic support program for student athletes. He is prepared to donate $10 million today (Feb. 16, 2012), one year hence (Feb. 16, 2013), and two years hence (Feb. 16, 2014) to establish
Consider the simple linear regression model without an intercept, y = ß1x + u, with the assumption E(u|x)=0. Also assume that E(x)=0 Show that E(y)=0 and using this as well as E(x)=0 show that the covariance between x and y is given by E(xy) and that..
a person arranges to repay a a1000 bank loan in 10 equal payments at a 10 annual interest rate. immediately after his
Format: Your essay should be typed according to MLA format. You will need to refer to the text of the play you are analyzing. Be sure to use appropriate MLA format for both in-text citations and list of works cited. No title page is necessary.
Power cost per kwh is $0.14. Annual maintenance, taxes and insurance will be 2.5% of the initial cost. a. What is the annual equivalent cost for each motor b. What is the IRR (Internal Rate of Return) on the incremental investment to select the more ..
At any point in time, what are the feasible consumption allocations between the young and the old consumers who are alive at that point? Given the preferences, which allocation is optimal?
Can you make a prediction regarding the net effect of this increase in r on the rate of saving? Why, or why not?
the manchester athletes club mac is a private not-for-profit athletic club located in st. petersburg florida. mac
What rate of return per month will an engineer make over 2 and a half year project period if he invested $150,000 to produce portable 12volt air compressors. His estimated monthly costs are $27,000 with income $33,000 per month.
The government, aware of voter sentiment during an election year, bans the import of the food products that use genetically modified crops. In both cases, no genetically modified crops enter the country. Does either of these cases run afoul of WTO..
Among the families you know, how many work for companies that provide goods or services for capital formation-that is, for investment purposes rather than for consumption?
Using a combined interest rate per interest period (d) for computing present worth values (PW). What is the present worth of the $1,000,000.00. if the formula for d is d = i + f + (i × f) and the inflation rate (f)=2.3% and the interest rate (i) i..
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