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3. For an ideal rubber,
(1) derive the rubber elasticity equations of stress versus extension ratio for a biaxial stress, i.e., find σx(λx,λy) and σy(λx,λy).
(2) If elastic modulus E (in uniaxial deformation) is 10.0 MPa, what are the stresses, σx and σy, required to deform the rubber to λx=2, λy=1/2?
Write a balanced net ionic equation and describe one of the ways for which Cd2+ will interfere with the determination of copper.
the lead in lead pencils is actually almost pure carbon, and the mass of a period mark made by a lead pencil is about 0.0001g. How many carbon atoms are in the period.
A neon is made of glass tubing whose inside diameter is 2.5 cm and whose length is 5.5 m. If the sign contains neon at a pressure of 1.73 torr at 31 degrees celcius
What compound is formed when a dilute solution of cyclohexanone is shaken with NaOD in D2O for several hours
A piece of solid carbon dioxide, with a mass of 47.0 g, is placed in an otherwise empty 5.00 L container at 27 degrees Celcius. What is the pressure in the container after all the carbon dioxide vaporizes
What is the partial pressure in torr of O2 in the atmosphere that corresponds to this concentration? The Henry's law constant for O2 in water is 3.27 x 107 torr. How does this compare with the actual partial pressure of oxygen in the atmosphere
At 25 oC the solubility of copper(II) iodate is 3.27 x 10-3 mol/L. Calculate the value of Ksp
We have a solution that is in equilibrium with solid Ag2SO3 (ksp=1.5x10^-14), and buffered at pH=8.00. The sulfite anion (SO3(2-)) is the conjugate base of the bisulfite anion (HSO3-), Calculate the concentrations of all chemical species present i..
Write the balanced equation for the complete combustion of each of the following compounds
A hydrogen atom initially in the n=11 quantum state emits a photon having a wavelength of 2.87144E-6 m. What is the quantum number of the final state of the atom
how much energy is required to turn 500 g of ice at -15.0 celsius to liquid water at 55.0 celsius? specific heat (ice) = 2.10 J/g * C. Specific heat (water)= 4.18 J/g*C
The acid dissociation constant for HClO is 3.0 x 10-8. What is the hydrogen ion concentration in a 0.12 M solution of HClO
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