Estimate the theoretical yield for the experiment
Aluminum bromide is produced when aluminum burns in the bromine. In a certain experiment, 6.9 g of aluminum was reacted with an excess of bromine to yield 39.9 g aluminum bromide. Estimate the theoretical yield for the experiment.
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Suppose we start with 0.0250 mol of N2O5 (g) in a volume of 2.0 L. The first order rate constant for the decomposition of N2O5, N2O5 (g) ---> 2JO2 (g) + O2 (g), at 70 degrees Celsius is 6.82 x10^-3 s^-1.
Determine the numbers of atoms of chromium are used in the coating. Which is having the density of chromium=7.19g/cm3. An object is coated with a layer of chromium, 0.015cm thick. The object has a surface area of 15.3 cm3 .
the certain kind of yarn produced by the vendor has normal distribution with mean 95 and standard deviation 11. Determine the probability that a random sample of yarn has a breaking strength that is within 1.5 standard deviations of the mean?
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Assume a test subject will lie 10% of the time. Determine the probability that the random statement by the subject will be flagged as a lie by machine? If another subject creates a statement that the machine flags as a lie, what is the probability
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Solve equation x3 - 1 = 0 by factoring left side as sum of two cubes and setting every factor equal to 0. Apply quadratic formula as needed.
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