How long in hours must a current of amperes flow
How long in hours, must a current of 2.4 amperes flow in order to deposit 9.50 grams of copper, Cu (s) from a solution of Cu(NO3)2? the molar mass of copper is 63.5 g/mol.
Expected delivery within 24 Hours
A random sample of 25 items had a mean wholesale price of 165.2 and a standard deviation of s = 29.5. What is s of the retail price of those items? Give answers to 2 decimal places.
If these two runners had run in the same race, each running the entire race at the average speed that earned him a place in the record books, el-Guerrouj would have won. By how many meters?
If 876 coulombs of electricity is used to reduce Cr3+ to Cr (s), how many grams of chromium will be deposited at the cathode?
What phase difference between two otherwise identical traveling waves, moving in the same direction along a stretched string, will result in the combined wave having an amplitude 0.72 times that of the common amplitude of the two combining waves?
A jogger accelerates from rest to 2.7 m/s in 2.7 s. A car accelerates from 36.0 to 44.0 m/s also in 2.7 s. the acceleration (magnitude only) of the jogger is 1 m/s^2.
Give the likelihood function based on the above data. Calculate the maximum likelihood estimator of λ.
What is the rate at which the entropy of the air low-temperature reservoir changes? What is the rate at which the entropy of the river low-temperature reservoir changes?
A projectile is launched horizontally. It travels 2.050m horizontally and 0.450m vertically in the Earth's gravitational field before it hits the ground. a. What is the initial velocity of the projectile?
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