Determine the concentration of ag+
Suppose you have 75.0ml of a 2.50M solution of Na2CrO4 (aq) and you also have 125mL of a 1.92M solution of AgNO3 (aq). Determine the concentration of Ag+ when the two solutions are added together.
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A current study of 300 patients found that of 100 alcoholic patients, 87 had elevated cholesterol levels, and of 200 nonalcoholic patients, 43 has elevated cholesterol levels. If patient is chosen at random, find out the probability that the patie
The two bodies encompass the similar shape and size; however one is denser than the other. Which body, if either, consists of the greatest buoyancy in the air?
Explain what volume of 0.500 M CaCl2 solutions is required to prepare the 250 mL of solution that has a chloride concentration of 0.100 M?
A cube of iron is hanged by a cord in a tank of water. The length of a side of the cube is around 5.0 cm. When the cube is fully immersed in the water, evaluate the tension in the cord.
Independent random samples of managers' yearly salaries (in $1000) taken from the governmental as well as private organizations provided following information. At 95% confidence, test to find out if there is a significant difference between averag
Prepare a sketch representing direction of magnetic field, orientation of coil and direction of flow of current. Do not require drawing all 40 turns, simply one turn will work.
In the atmosphere the hydroxyl radical (OH) is an important oxidizing agent. At 298 K the rate constant for the reaction of OH with benzene is 1.24 x 10-12cm3 molecule -1 s -1. Determine the value of the rate constant
An ac circuit consists of a resistor of 20.0 ohm and an inductor of 35.0 mH in series. The circuit draws a maximum rms current of 2.0 A if operating at 60 Hz and 120 v rms. Sketch phasor diagram and determine the phase angle between source emf and
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