What is the density of the metal
A piece of metal with mass of 125grams is placed into a graduatedcylinder that contains 25.0ml of water raising the water level to56.0ml. what is the density of the metal?
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Calculate the effectiveness of the heat exchanger if the direction of flow of one of the fluids is reversed with the same mass flow rates as before?
A spherodial bacterium with diameter of 1 um contains two molecules of a particular protein. What is the molar concentration of the protein? How many gluclose molecules does the cell contain when its internal gluclose concentration is 1.0 mM?
If the average force of friction is equal to one-fifth of its weight, with what speed will the car reach the lowest point, which is 35.0m below the highest point? The distance traveled is 45.0m.
The steam leaves the turbine at 100 mm Hg absolute pressure. the turbine isentropic efficiency is 0.75. calculate the efficiency of the plant. if the unit produces 12.5 MW, what is the steam flow rate?
The shaft supports a single concentrated mass at its center. The weight of the concentrated mass is 0.6 kip. Estimate the critical speed of the shaft, expressed in rpm.
Suppose a particle with a positive charge were to move a certain distance, say 0.1 meters, in a uniform electric field. What direction should it move in order for the field to do the greatest amount of work, thereby producing the largest possible
How much KNO3 must be added to 500ml of media solution such that it would contain 0.1 M KNO3? What is the equivalent in ppm?
The label of an antacid tablet bottle states that each tabletcontains 480 mg of CaCO3. A tablet weighs 1.40 g. What weight of the tablet will be required to use 20mL of0.050 M EDTA solution?
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