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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?
Calculate the mass of ethylene glycol (C2H6O2) that must be added to 1.00 kg of ethanol (C2H5OH) to reduce its vapor pressure by 10.0 torr at 35 °C. The vapor pressure of pure ethanol at 35 °C is 1.00 × 10^2 torr.
Concentration of H 2 is observed 2.15 moles/L When the reaction N 2 (g) + 3 H 2 (g) ?? 2 NH 3 (g) comes to equilibrium. Determine the numerical value of the Kc equilibrium constant?
A process takes place at constant pressure. The volume changes and the temperature increases by 87.0oC. The heat capacity of the system at constant volume, CV, is 204.7 kJ/oC. What is E in kJ
a solution of 100 ml of .200 M KOH is mixed with a solution of 200 ml of .150 M NiSO4. what is the chemical equation, what precipitate forms, what is the limiting reagent, and how many grams of the precipitate form?
How many milliliters of a 0.150 M magnesium hydroxide solution are needed to neutralize 1.282 L of a hydrochloric acid solution that is 0.1048 M
Consider two hypothetical elements, W and Z. Element W has an electron affinity of ?150 kJ/mol, and element Z has an electron affinity of ?38 kJ/mol.
Carbon-14 decays with a half-life of 5730 years. What is the first order rae constant for its decay in units of years^-1
Gas in a tank contains a poison at a concentration (CT), but the gas is leaking into the surrounding room at a rate of T cm3/min. Meanwhile, an air conditioner brings fresh air into the room at a rate of A cm3/min.
Question- A muon is a charged particle that is identical to an electron (same charge, -e, for example) but has a mass about 200 times greater than an electron. It is therefore possible for a muon to combine with a proton
What volume (in milliliters) of 0.100 M NaOH should be added to a 0.120 L solution of 0.024 M glycine hydrochloride
copper metal has a specific heat of .385 jg.degrees c. calculate the amount of heat required to raise the temperature
water expands when it freezes. How much work is done by 100g of water expanding as it freezes at 0 degrees Celsius and pushes back the wall of a pipe that exerts 1070 atm of pressure?
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