What is the volume of distilled water
What is the volume of distilled water that is needed to be added to 8g of sodium hydroxide to make it 0.4 mol dm-3 sodium hydroxide solution?[RAM : Na, 23 ; H, 1 ; O,16
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How many moles of sodium benzoate must be added to 2.5 L of .15 M benzoic acid to form a buffer whose pH is 4.46? Assume the addition of sodium benzoate does not change the total volume of the solution.
A friend asks you how much pressure is in your car tires. You know that the tire manufacturer recommends 30 psi, but it's been a while since you've checked. You can't find a tire gauge in the car, but you do find the owner's manual and a ruler.
Find the normal force exerted by the floor on each hand and each foot, assuming that he holds this position.
Construct the radial hardness profiles to scale for the following a 50-mm (2-in) diameter cylindrical specimen of an 4340 steel alloy that has been quenched in moderately agitated oil.
What is the volume of distilled water that is needed to be added to 8g of sodium hydroxide to make it 0.4 mol dm-3 sodium hydroxide solution?
Calculate the value of mass transfer coefficient and the flux for mass transfer from a sphere of naphthalene to air at 45C and 1 atm abs flowing at a velocity of 0.305 m/s.
A 1280 kg car pulls a 350 kg trailer. the car exerts a horizontal force of 3.6 x 103 N against the ground in order to accelerate. What force does the car exert on the trailer? Assume an effective friction coefficient of 0.15 for the trailer.
If you used the 9000 kilojoules you expend in energy in one day to heat 51000 g of water at 16 degrees C, what would be the rise in temperature? What wouldbe the new temperature of the water?
A commercial cylinder contains 6.91 m3 of O2 at 15.18 MPa and 21oC. The critical constants for O2 are Tc = -118.4 oC and Pc = 50.1 atm. Determine the reduced temperature and pressure for O2 under these conditions.
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