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Calculate the elastic modulus of this tendon if a 15 cm long animal tendon was found to stretch 3.9 mm by a force of13.3 N. The tendon was approximately round with an average diameter of 8.5mm.
Determine the numbers of V atoms are present in a unit cell when the Vanadium crystallizes in a body-centered cubic lattice (the V atoms occupy only the lattice points).
Explain the coordination number of each sphere (assume the spheres are all the same) in the following cells?
Determine how many of these constitutional isomers are chiral? Determine how many total isomers (constitutional plus stereoisomer) are formed?
Determine the amount of heat liberated (in KJ) from 305 g of mercury when it cools from 88.0 Degree C to 11.0 degree C
A quantity of 1.419 g of butane (C4H10) was burned in a constant-volume bomb calorimeter. Consequently the temp of the water to use by 6.24 degree C. T if the heat capacity of the bomb plus water wa
Determine how many grams of NaCl are required to precipitate most of the ag+ ions from 2.50*102 ml of 0.0113 M AgNO3solution? Write down the net ionic equation for the reaction
Determine the numbers of photons will be required to raise the temperature of 2.0g of water by 1.7 K? Water is exposed to infrared radiation of wavelength 2.7x10-4cm.
What is the binding energy of the electron in kJ/mol? (KE=1/2mv2; 1 electron volt (eV) = 1.602 x10-19J) when an X-ray photon of wavelength 0.999nm strikes a surface. The emitted electron has a kinetic
Calculate the amount of heat (KJ) given off when 2.43 X 10^4g of ammonia are formed according to the following equation. Assume that the reaction takes place under standard- state conditions at 25.0
How many grams of M(s) will be produced if we operate the system at 100% efficiency if we electrolyze a solution which is having the M2O73- for 35.51 hr using a current of 2.013 amp to isolate
The actual concentrations are Co2+ (aq) = 0.100M,Cd2+=0.0100M. Determine the actual potential of this galvanic cell?
Determine the total pressure of a gaseous mixture contains a partial of hydrogen 3.4 atm and of oxygen 6.3 atm according to Dalton's law.
The vapor pressure of methyl alcohol is 254 mm Hg at 40oC and at the same temperature the vapor pressure of ethyl alcohol is 135 mm Hg. Solutions of the two alcohols behave ideally; that is, they fo
Explain how much would the freezing point be lowered by the addition of 4.8 kg of Pre stone? (Ethylene glycol, C2H4 (OH)2, a non-electrolyte) if the radiator of an automobile contains 12 liter
Explain how much glucose, C6H12O6, should be used per liter for an intravenous injection that is to have the same osmotic pressure as blood when the osmotic pressure of blood at the normal
Illustrate the structure for the compound when a very old bottle labeled only "chlorinated benzene" was found in the stockroom.
Which one of the products listed below is a possible reduction product of the nitrogen molecule? The nitrogen molecule was involved in a chemical reaction in which it underwent reduction.
How many coulombs and electrons pass through the cell when a current of 0.5 Amps passes through a copper (II) sulphate solution for 15 minutes.
What is the cathode reaction when a solution of nickel (II) sulphate adjusted to a pH of 7 is electrolyzed, the green color of the solution becomes less intense and no gas bubbles are detected
Consider the directing effects of the ester and the first nitro group on the addition of the second nitro group. Illustrate the structure of dinitroester?
Determine the volume of hydrogen gas at 40 degrees Celsius or 313Kand 20.0 torr obtained when the .255g of boron hydride reacts.
Determine the velocity of a neutron whose de Broglie wavelength is 500 pm. The mass of a neutron is1.67 x10-24 g. use this formula:
The volume of the mixture is 1.7 L and its total pressure is 0.810 atm if zinc metal is added to hydrochloric acid to generate hydrogen gas and is collected over a liquid whose temperature is the sa
If P is fixed can T vary if a solution of 0.1 mol al AgNO3 in water saturated with AgCl and AgBr (both solids present), is placed in an evacuated vessel of larger volume than the solution. List