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A solution of 4.00 g hemoglobin in 100 mL was prepared and its osmotic pressure was measured. The osmotic pressure was found to be 0.0130 atm at 280 K.
(a) Estimate the molar mass of hemoglobin.
(b) If 4.00 g of NaCl is dissolved in 100 mL of water, what would the osmotic pressure be?
Molecular weights of some proteins: ferricytochrome c 12 744; myoglobin 16 951; lysozyme 14 314; immunoglobulin G 156 000; myosin 570 000
An object with a mass of 0.527kg is attached to a long horizontal spring with a constant of 52.6kg/s2. At small angles with the same object, what length is required for a pendulum to have the same period
A 120 V rms voltage at 60 Hz is applied across a capacitor and a 100 ohm resistor. if the impedance of this circuit is 200 ohm, what is the average power of this circuit?
A 3.0-kg and a 5.0-kg box rest side-by-side on a smooth, level?oor. A horizontal force of 32 N is applied to the 3.0-kg box pushing it against the 5.0-kg box, How large is the contact force between the two boxes
Two electrons in the similar atom have n = 3 and script i = 2. How many quantum numbers are there for the possible states of the atom?
The following takes place with inelastic collision. Ball 1 travels up with a mass of 3 Kg and a velocity of 20 m/s. How high do the balls travel after the collision
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Baseball player A bunts the ball by hitting it in such a way that it acquires an initial velocity of 1.9 m/s parallel to the ground. What is the magnitude of the initial velocity
A person 25 centimeters in front of a concave makeup mirror sees an upright image magnified by a factor of two. Draw a sketch to locate the image of the person
A single force acts on a 8.0 kg particle-like object in such a way that the position of the object as a function of time is given by x = 3.0t - 4.0t 2 + 1.0t 3, Find the work done on the object by the force
A racecar travelling at a constant speed turns in a circle with a radius of 10 m. what is the racecar's speed
A rod is lying on the top of a table. One end of the rod is hinged to the table therefore that the rod can rotate freely on the table top. determine what must be the angle θ
What is the relationship between observation data gathering and data interpretation in the scientific method?
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