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Determine the voltage produced by a galvanic cell composed of two aluminum electrodes, one in 0.10 M Al(NO3)3 and the other in 0.50 M Al(NO3)3.
In gluconeogenesis, the second pathway we will study this semester, the enzyme fructose-1, 6-biphosphatase hydrolyzes fructose-1, 6-biphosphate to fructore-6-phosphate and Pi. What is the free energ
A 1.6 kg softball is pitched to you at 38 m/s. You hit the ball back along the same path, and at the same speed. If the bat was in contact with the ball for 0.1 s, the magnitude of the average forc
What was the upward force of the air resistance while the coffee filter was falling at terminal speed?
Which of the following statements is true about the following reaction? 22.4 L of CO (g) are produced for every liter of C H O (aq) reacted.
Displace the block to the side and give the block an initial velocity in a direction out of the plane defined by the equilibrium position, the support point and this initial position (recall that th
At 200°C, in the reaction below, the molar concentration of A was 7.02 M after 1.03 s and 1.84 M after 7.86 s. What is the average rate of reaction in M/s?
A Federation starship (1.90×106 kg) uses its tractor beam to pull a shuttlecraft ( 2.10×104kg ) aboard from a distance of 13.0 km away. The tractor beam exerts a constant force of 4.0*10
What is the polar Lewis dot structure of C2H2Br2
A chair of weight 150 lies atop a horizontal floor; the floor is not frictionless. You push on the chair with a force of = 45.0 directed at an angle of 37.0 below the horizontal and the chair slides
Estimate the pH at the equivalence point of an HOAc solution if 25.5 mL of this solution required 37.5 mL of 0.175 M NaOH to reach the equivalence point (Ka = 1.8 x 10-5).
An experiment is done where the AAUCCC RNA template on the telomerase is mutated. Will there be a change in the telomeric sequence as a consequence of this mutation? Explain
You drop a single coffee filter of mass 1.7 grams from a very tall building, and it takes 52 seconds to reach the ground. In a small fraction of that time the coffee filter reached terminal speed.
Calculate the concentrations of all species in a 1.08 M Na2SO3 (sodium sulfite) solution. The ionization constants for sulfurous acid are Ka1 = 1.4× 10-2 and Ka2 = 6.3× 10-8.
A 1.00 qt metal can contains 0.150g of He at a temperature of 20 degrees celsius. What is the pressure (in atm) inside the can? Is this pressure greater or less than standard atmospheric pressure.
You have discovered a drug that inhibits the activity of the enzyme inorganic pyrophosphatase (do you recall what is the functi of this enzyme?). What effect would this drug have on DNA synthesis?
A car travels 40 kilometers at an average speed of 80 km/hr and then travels 40 kilometers at an average speed of 40 km/hr. the average speed of the car for this 80 km trip is:
A 588 g chunk of iron is heated to 97.5.C. Then it is immersed in 247 mL of water orig-inally at 20.7.C. When thermal equilibrium has been reached, the water and the iron are both at 36.2.C. Calcula
Calculate the energy in joules and calories required to heat 24.0g water from 20.0C to 27.7C
What is the difference between sterility and rna and dnaese free when talking about cryogenic storage tubes?
A plane traveling at 400 mph is flying with a bearing of 40 degrees. there is a wind of 50 mph from the south. if no correction is made for the wind, what are the final ground speed of the plane (tr
Explain the genetic importance of the protein zymase in the production of ethanol in a sentence or two.
What mass of sucrose should be combined with 484 of water to make a solution with an osmotic pressure of 8.30 at 310 ? (Assume the density of the solution to be equal to the density of the solvent.)
A bullet is fired horizontally from a handgun at a target 20.0 m away. if the initial speed of the bullet as it leaves the gun is 100 m/s, how far vertically will the bullet have dropped by the time
Use the Miller index notation to describe the positions of each of these ions in the unit cell. Confirm that the unit cell has a net neutral charge.