Science Papers Help Online

For the figure shown below, calculate the mass of organics dissolved in the ground waterand sorbed on the soil. Assume the depth of saturated zone is 10 ft with a porosity of 0.25and solids density of 2.65 g/cm3.

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Study the signaling section in the book, and make sure you understand how G proteins work. Consider the following analogy: A spy (Agent #1) slips a coded message into a garbage can. Although many people have thrown paper into this garbage can all day long, they haven’t pushed it into the secret slot that sets off a silent alarm. But Spy #1 pushes her message into the secret slot, which sends a signal to the earpiece of the spy (Spy #2) sitting on the park bench next to the garbage can. He then retrieves the message and reads it. The message indicates that it is time to call his agents to action, so he gets on the phone and calls all ten members of his team. They have been waiting for this call; they know just what to do…1. (4 pts) What does each of the players in the analogy represent: Spy #1, the garbage can, Spy #2, and the team members?2. (1 pts) Where does signal transduction take place in this analogy?3. (1 pts) Where does signal amplification take place?4. (4 pts) Continue the analogy — what do the team members do, and what does real-life cellular process might this represent?

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An emf is induced in a conductin loop of wire 1.03m long as its shape is changed from square to circular. Find the average magnitude of the induced emf if the change in shape occurs in 4.15s and the local 0.131-T magnetic field is perpendicular to the plane of the loop.

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Your state has requested that your practice become a partner in their Emergency Medical Response Teams program.  They have requested you provide an action plan for an Anthrax breakout where the state would supply your practice with the anthrax vaccine.  Discuss your strategy for: patient care, staffing, and security

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If the open-tube manometer shown below contains a nonvolatile silicon oil (density = 1.30 g/cm3) instead of mercury (density = 13.6 g/cm3), what are the pressures in the flask as shown in parts a and b in torr, atmospheres, and pascals?

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Write an essay in which you analyze the stated philosopher’s position on the issue, and then explain and defend your own answer to the question, using concepts and ideas presented.  How could Plato’s thought experiment of “the Myth of Gyges” be used to challenge contractarianism? Do you think this challenge is successful?

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SO2 + NO2—–SO3 + NOIf the Kc for the reaction is 2.50, what are the equilirium concentrations of the products if the reactiion mixture was initially 0.500M SO2, 0.500M NO2,0.00500M SO3, and 0.00500 M NO?

SO2 + NO2—–SO3 + NOIf the Kc for the reaction is 2.50, what are the equilirium concentrations of the products if thereactiion mixture was initially 0.500M SO2, 0.500M NO2,0.00500M SO3, and…

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you measure the optical density of an undiluted solution. The absorbance is .85. If its diluted by a dilution factor of 1/10, what is the optical density of the diluted solution? If its diluted even further. You pipette 200 micrometers of the diluted solution you created into an empty test tube and add 800 micrometers of water. What is the dilution factor?

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A college runner set a school record of 3:59.37 in the mile run. Assuming that the distance was measured accurately to five significant figures, what was the runner’s average speed in kilometers per hour?

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in this unbalanced chemical reaction, which element is oxidized and which is the reduced?  Cl2 + NaBr —> NaCl + Br2

chlorine is reduced, sodium is oxidized

chlorine is oxidized, bromine is reduced

bromine is oxidized, chlorine is reduced

sodium is reduced, chlorine is oxidized

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