Find the change in entropy for the system
A gasoline engine absorbs 8320 J of heat at 289C and expels 7820 J at a temperature of 89C. Find the change in entropy for the system.
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Construct the ANOVA table for these data. Test the null hypothesis that effects due to the different preparations are not significantly different. If H_0 is rejected, estimate the four preparation effects. Use .05 for alpha
Students in a fraternity house want to be able to spray water 25 m across their neighbor's yard onto a patio. They have a hose of inside diameter 1.2 cm that can spray a distance of only 1 m. What size nozzle do they need?
What tensile yeild strength is required to provide a safety factor of 2.5 with respect to initial yeilding According to maximum-shear-stress theory?
If the frictional force experienced by the block, is 8 N, the acceleration of the block is > ? < m/s2. Calculate your answer to one decimal point.
Conduct a simple linear regression analysis of these data in which the average tuition for private colleges is predicted by the average public college tuition. Test the significance of the model using a significance level of 0.10.
Convert the following SAT scores into a new distribution with a mean of 50 and a standard deviation of 2. What new score equals an SAT score of 570?
Assume that after ten years, market interest rates have dropped significantly and that the price of the company's common stock has risen significantly.
The taxable income includes $5,000 of gain from a capital asset held for five years, $2,100 of gain from a capital asset held seven months, and $13,000 of gain from a capital asset held four years. All of the capital assets were stock in a publicl
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