Which salt will precipitate first
A very dilute solution of silver nitrate is added dropwise to asolution that contains equal concentrations of sodium chloride andpotassium bromide. which salt will precipitate first?
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The 20 kg pulley has a radius of gyration of 160 mm. if B has a mass of 10 kg, determine the angular acceleration oof the pulley and the tesion in the cable connected to B.
A buffer is prepared by mixing 185 mL of 0.439 M NaOH with 855 mLof 0.869 M sodium bicarbonate (NaHCO3). Given that theKa1 of H2CO3 is 4.5 x10-7 and the Ka2 is 4.7 x 10-11,calculate the pH of the solution.
A rifle with a weight of 30 N fires a 5.0 g bullet with a speed of 300 m/s. (a) Find the recoil speed of the rifle. (b) If a 700 N man holds the rifle firmly against his shoulder, find the recoil speed of the man and the rifle.
Let R1 and R2 be uniform random variables on the interval (a, b).
One hiker suggests they walk on another 50 m to avoid inaccurate compass readings caused by the current. Compared to the earth's magnetic field, is the current from the transmission line really a problem?
Create a MATLAB function called PascalTri that computes and prints a formatted Pascal's Triangle for any integer input using MATLAB. The function will have one input argument, a positive integer.
The number of imperfections in an object follows a Poisson distribution with a mean=8.3. If the number of imperfections is 4 or fewer, the object is called "top quality." If the number of imperfections is 5 or more, the object is called "normal qu
When we rotate the polarizer, does the intensity of the reflected ray change? Which kind of polarization takes place here? Why? Please use your best judgment when answering this question.
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