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Define the laws of thermodynamics. Include an example to support your definition.
-What is Gibbs free energy? What are consequences for a biochemical reaction when Gibbs free energy is negative?
Explain the role of enzymes when Gibbs free energy is negative and when it is positive.
-Adenosine triphosphate (ATP) has been called the currency of all living things. Explain what this statement means.
-What is an absorption spectra? Explain why a green leaf looks green. Is it the same reason a red leaf looks red? Explain your answer.
a proton has an initial speed of 4.0 105 ms. a what potential difference is required to bring the proton to rest? b
A geiger-muller tube is a type of gas-filled radiation detector. It can detect particles like X-rays, alpha particles and beta rays (electrons). what is the density of the gas in this geiger tube
A car which has a mass of 1250 kg is moving with a velocity of 26.0 m/s. What is the kinetic energy of this car
At a distance of 13.0 km from a radio transmitter, the amplitude of the radiated electric field of the radio transmissions is measured to be 0.20 volts/meter. determine the total power emitted by the radio station
Bowling balls can be made from a variety of substances and are required to have a circumference of roughly 27.0 inches. calculate the thickness of the shell
What is the line charge density on a long wire if the electric field 44cm from the wire has magnitude 280kN/C and points toward the wire
A light ray is incident from air onto the surface of a very quiet lake. what is the index of refraction of the water
A spring is first stretched 2.0 cm from its unstressed length. It is then stretched an additional 1.7 cm.How does the work required for the second stretch compare to the work required for the first stretch (give a ratio of second to first)?
A 60 ohm and a 12 ohm resistor are connected in a series. Find the overall equivalent resistance of this combination
A driver in a car travelling at a speed of 58.0 mi/h sees a deer 126 m away on the road. Calculate the minimum constant acceleration that is necessary for the car to stop without hitting the deer (assume that the deer does not move in the meantime).
A uniform solid disk of mass m = 3.01 kg and radius r = 0.200 m rotates about a fixed axis perpendicular to its face with angular frequency 5.96 rad/s. Calculate the magnitude of the angular momentum of the disk
Descriube what are (a) the period of the motion, and the magnitude of her centripetal acceleration at (b) the highest point and (c) the lowest point?
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