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Calculate the quantity of work associated with the compression of gas from 5.60 L to 3.40 L at a constant pressure of 1.23 atm.
a) 274 J
b) -274 J
c) 2.71 J
d) -2.71 J
A solution of ethanol (C2H6O) in water is sometimes used as s disinfectant. 1.00 L of this solution contains 553 g or ethanol and 335 g of water. What is the mole fraction of ethanol in this solution.
Explain why selectivity in isocratic HPLC system ideally should not depend on eluent composition. Use thermodynamic derivation to support your explanation.
What is the mass in grams of 1.56 moles of menthol?
a 0.336 gram sample of sodium carbonate required 28.6ml of a sulfuric acid solution to reach the endpoint for the reaction Na2CO3 +
When working NMR questions, solutions maunuals say that the peaks are 1.0 spaces long or 5.5 spaces long.
What is the amount of volume of the solvent you need to extract 65g of the solute in one extraction from the original 100g dissolved in 206mL water?
Calculate deltaG at 298K if the reaction mixture consists of 7.4 atm of H2, 0.056 atm of P4, and 0.29 atm of PH3. Reaction is 6H2(g)+P4(g)-->4PH3(g).
Determine value for the rate of formation of HCl during the same interval of 3 seconds If the rate of disappearance H2 = -0.13 M/s at this specific time?
Write the electron configuration of the alkali metal (M) that reacts with oxygen to yield an oxide, M2O, if 3.54 g of the metal reacts
The ester ethyl p-nitrobenzoate is more reactive towards nucleophilic acyl substitution than ethyl p-methyoxybenzoate.
pH of 20.0 mL of 0.10M acetic acid/sodium acetate buffer before and after the addition of 2.0 mL of 0.10 M NaOH; 2.0 mL 0.10 M HCl
aluminum may be formed by the passage of 60,714 C through an electrolytic cell that contains a molten aluminum salt.
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