Why does an oil-and -vinegar salad dressing have separate
1) Why does an oil-and -vinegar salad dressing have two separate layers?
2) What is meant by the mass/mass percent concentrations of asolution?
3) Why are some electrolytesstrong while others are weak?
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Find the heat transfer and work per unit mass of air in KJ/kg for each process of the two cycles, and compare the thermal efficiency of each. Assume constant specific heats at room temperature, and k=1.4.
If you add 5.0mL of 0.5 M NaOH solution to 20.0 mL each of Buffer B( initial pH of Buffer B is 3.92), andBuffer C, Which buffer's pH would change less? explain
A 95g stone hangs at the end of a string 85cm long and is whirled in a horizontal circle. The stone completes one revolution in 0.9s. Find the angle that the string makes with the vertical.
(a) At what point on the plate, the flow becomes turbulent? (b) Compute the average heat transfer coefficient for the flow (c) What is the convective heat transfer rate from the plate?
Why does an oil-and -vinegar salad dressing have two separate layers? What is meant by the mass/mass percent concentrations of asolution?
What is the minimum photon energy needed to create and e- -e+ pair when a photon collides (a)with a free electron at rest and (b) with a free proton at rest?
A long solenoid has 1580 turns in a length of 40.0 cm. What current has to flow through the solenoid in order to generate a magnetic field of 3.45 µT in its interior?
What are advantages to using the p-value method as opposed to the critical point (or rejection point) method?
A heavy object traveling at 100 m/s in the -z direction strikes a very light object that is initially at rest. If the collision is totally elastic, what is the velocity of the light object? (and in what direction?)
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