What is the molecular mass of the protein
14.0mg of a certain protein was dissolved in water to make asolution of 2.50mL at 28.0o C. If the osmotic pressureis 1.30torr, what is the molecular mass of the protein?
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Why do chemists prefer to read/record the absorbance, rather than the percent transmittance, of light (electromagnetic radiation) when analyzing a sample having a visible color?
If the mass of the block is 0.167 kg and has an original speed of 0.70 m/s at a radius of 0.4 meters, what is the tension in the cord in the final situation at a radius of 0.2 meters when the block has speed of 1.91 m/s?
A pitcher hurls a 0.25kg ball around a vertical circular path of radius 0.6 m, applying a tangential force of 30N, before releasing it at the bottom of the circle (underhand pitch).
Its vibration isolator has a stiffness of k=7300 N/m. Compute the force transmitted to the foundation if the isolator damping ratio is (a) Zeta=0.05 and (b) Zeta=0.7.
One way to manufacture transistors, which amplify electrical signals, is to diffuse impurity atoms into a semiconductor material such as silicon.
A) Copper contains 8.4 x 10^28 free electrons/m^3. A copper wire of cross-sectional area 7.4 x 10^-7 m^2 carries a current of 1 A. Find the electron drift speed.
1. Consider a normal population with µ = 25 and s = 7.0. (A) Calculate the standard score for a value x of 26.
The mixture is expanded isentropically from 5000 kPa and 600 C to 200 kPa. Calculate the work produced per unit mass of the mixture.
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