What is the percent by mass of kcl in this solution
A solution is made by adding 1.24 mol KCl to 1399.0 g of water. What is the percent by mass of KCl in this solution?
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A 20 mu F capacitor initially charged to 20 mu C is discharged through a 1.7 k Omega resistor. How long does it take to reduce the capacitor's charge to 5.0 mu C?
If 31.7mL of 0.235M KOH is required to completely neutralize 26.0mL of a HC 2 H 3 O 2 solution, what is the molarity of the acetic acid solution?
A 2.4 kg toy locomotive is pulling a 1.6 kg caboose. The frictional force of the track on the caboose is 0.54 N backward along the track. If the train is accelerating forward at 3 m/s2, what is the magnitude of the force exerted by the locomotive
A 200-m-wide river flows due east at a uniform speed of 2.0 m/s. A boat with a speed of 8.0 m/s relative to the water leaves the south bank pointed in a direction 30 degrees west of north. What are the (a) magnitude and (b) direction of the boat's
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Bonnie and Clyde are sliding 460 {rm kg} bank safe across the floor to their getaway car. The safe slides with a constant speed if Clyde pushes from behind with 395 {rm N} of force while Bonnie pulls forward on a rope with 215 {rm N} of force. Wha
Two balloons that have the same weight and volume are filled with equal amounts of helium. One is rigid and the other is free to expand as the pressure outside decreases. When released, which will rise higher?
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Problem: Compare independent variables, dependent variables, and extraneous variables.
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