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An insulating membrane separates conducting fluids inside and outside an unmyelinated axon, a type of nerve fiber. Find the surface area and capacitance of the axon
Sodium sulfate is slowly added to a solution containing 0.0500 M Ca2 (aq) and .0280 M Ag (aq). What will be the concentration of Ca2 (aq) when Ag2SO4(s) begins to precipitate
An Shot putter throw the shot from a height of 2m over the ground with the speed of 15m/s in the direction 36,9° upwards. What is the speed of the shot when it lands
A rope that is tied between a motor and a crate can pull the crate up a hill of ice (assume no friction) at constant velocity. Write the equations for the body in equilibrium
The C-C bond in this structure should become the C2-C3 bond in (2R,3S)-2-bromo-3-phenylpentane. Type the name of an atom or group to add to the structure, or press the atom's button. Click on an H a
Traveling at a speed of 15.2 m/s, the driver of an automobile suddenly locks the wheels by slamming on the brakes. What is the speed of the automobile after 1.15s have elapsed
Give all of the possible alkenes formed in the dehyration of the following alcohols: a) 1-methylcyclohexanol b) 2-methylcyclohexanol c) 1-hydroxymethylcyclopentane d) 3,3-dimethyl-1-butanol
what happens when phenolpropane sodium bromide and sulfuric acid are refluxed, distilled then seperated
why does bromine add faster to a distributed double bond than a monosubstituted double bond to produce dibromide
Some water was added to the initial reaction mixture in the procedure you performed. a. How might the yield of 1-bromobutane be affected if the water were not added, and what product(s) would be fav
You throw a 20-N rock vertically into the air from ground level. You observe that when it is a height 14.5m above the ground, Use the work-energy theorem to find its maximum height
A 500ml portion of a solution at pH=13 will just barely dissolve 3.2x10-4 moles of calcium hydroxide. What is the Ksp of calcium hydroxide
A 56.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 1.24 102 m/s from the top of a cliff 146 m above level ground, What is the initial total mechani
Considering the structure of ferrocene and acetylferrocen, identify what interparticle/ intermolecular forces are present between these ferrocenes and the mobile phase. How do they help explain the
Another hypothetical molecular compound, Y 2(g), has a bond energy of 750 kJ/mol, and the molecular compound XY(g) has a bond energy of 1500 kJ/mol. Using bond-energy information, calculate ?H for t
Four 3.5 kg spheres are located at the corners of a square of side 0.60 m. Calculate the magnitude and direction of the gravitational force
Dehydrohalogenation of (2R, 3R)-2-bromo-3-methylpentane by a bimolecular reaction produces only (E)-3-methyl-2-pentene and 3-methyl-1-pentene as products. Provide a mechanistic explanation as to why
A block of mass 2.50 kg is pushed 2.60 m along a frictionless horizontal table by a constant 20.0 N force directed 25.0° below the horizontal. Determine the work done by the net force on the bloc
Calculate the entropy change in the surroundings associated with this reaction occuring at 25 degrees C. Show all your calculations. The change in enthalpy for the reaction is +163.2 kJ. 2N2(g) + O2
Starting from rest, a 4.30-kg block slides 2.00 m down a rough 30.0° incline. Determine the work done by the force of gravity
Predict the sign of the change in entropy for the process that convert water in the gas phase to water in the liquid phase
There are three containers all connected to each other. There are a total of six particles inside the containers, two in one container, four in another container, the third container is empty. Upon
When a certain air-?lled parallel-plate capacitor is connected across a battery, it acqquires a charge (on each plate) of magnitude 131 µC. What is the dielectric constant of the slab
Write the structural formulas for the products that form when 1-butene reacts with each of the following reagents: a) HI b) H2, Pt c) Dilute H2SO4, warm d) Cold concentrated H2SO4 e) Cold concentrat
What is the total number of atoms in one unit (molecule or formula unit) of K2CrO4? What is the total number of atoms in a mole of K2CrO4