Compared to the situation at ph
You have made up a solution of 100 mM Tris, pH 7.0. The pKa of Tris is8.0. Compared to the situation at pH 7.0, about how many more H+ions are there if you were to adjust the solution to pH 6.0 by adding acid? How about at pH 5.0?
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Two identical cars hit each other and lock bumpers. In each of the following cases, what are the speeds of the cars immediately after coupling bumpers? (a) a car moving with a speed of 90 km/h approaches a stationary car
A tall cylinder with a cross-sectional area 12.0 cm² is partially filled with mercury; the surface of the mercury is 5.00 cm above the bottome of the cylinder. Water is slowly poured in on top of the mercury, and the two fluids don't mix. Wha
A truck driver used sand to soak up a 1 g spill of lindane(C6H6Cl6). He placed tehcontaminate soil in an open drum which then filled up with 150 L ofrain water during a rainstorm. You test the water to find aconcentration of 17 M/L.
The fluid density p, the fluid viscosity u, and the distance to the leading edge of the plate x. Express these variables in dimensionless form.
1. What accounts for an increase in the temperature of a gas that is kept at constant volume?
Assuming an arithmetic average particle size, what void fraction would be needed to agree with the published pressure drop?
A 500 mL bottle of water, at room temp. 25ºC, is poured over120 g of ice that is at -8ºC. What will the final temperature of the water when the ice has melted, assuming that it is in an insulated container that does not change temp.
The magnitude of the force that a spring exerts (F) when it is stretched a distance x from its unstressed length is governed by Hooke's law, F = kx. (a) What are the dimensions of the force constant, k?
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