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A rubber is subjected to a shear stress such that larmdax=l, larmday=1. Obtain an expression relating the shear stress, s, and the shear strain, g, assuming g=larmda-1/larmda. Comment on the difference between this stress/strain relationship and the one for simple elongation.
What is the most polar molecule? (It is not HF, Hydrofluoric acid.) Can you please explain what that is the answer
Estimate the free energy change (?Grxn) for the following reaction at 298 K, if each gaseous substance is present at p = 0.30 atm. 2H2(g) + O2(g) ? 2H2O(l)
To avoid handling the powder form of this compound you decide to make up the whole bottle rather than attempt to weigh out a portion. The compound comes in 200 mg batches. What volume would you add to one of these bottles to make up a 10 mM soluti..
How many grams of oxygen are required to completely burn 5.90 g of C3H8 in the following unbalanced equation: C3H8(g) + O2(g) --> CO2(g) + H2O(g)
The enthalpy of neutralization of HCl with NaOH is -55.8 kJ/mol when very dilute solutions are mixed, but is -58.2 kJ/mol when 2M solutions are mixed, as in this experiment. The reaction is
X-ray radiation falls in the wavelength region of 1.00E-11 to 1.00E-8 meters.
Determine delta H of this reaction (kJ/mol H 2 SO 4 ) - When 24.4 mL of 0.500M sulphuric acid ,H 2 SO 4 is combined to 24.4ml of 1.00M potassium hydroxide KOH in a coffee cup calorimeter
Calculate the boiling point of a 2.97m aqueous solution of ethylene glycol, a nonvolatile nonelectrolyte.
how many grams of Cu2S could be produced if 100.0g of copper is heated with 50.0g of sulfur? what is the amount of excess reactant?
prepared by adding 45.0 mL of 0.15 M NaF to 35.0 mL of 0.10 M HF. What is the pH of the final solution?
a solution is prepared by mixing 0.0400 mol ch2cl2 and 0.0800 mol of ch2br2 at 25degc. assuming the solution is ideal
Determine the number of ammonia molecules in 4.85g of ammonia (NA= 6.022 x 1023 mol-1).
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