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Using data from thermodynamic quantities at 298.15K, calculate deltaG^degree for the following reactions. Indicate if each reaction is spontaneous at 298K under standard conditions.
(a) 2SO2(g) + O2(g) -> 2SO3(g)
(b) NO2(g) + N2O(g) -> 3NO(g)
(c) 6CL2(g) + 2Fe2O3(s) -> 4FeCl3(s) + 3Oc(g)
(d) SO2(g) + 2H2(g) -> S(s) + 2H2O(g)
You have 250.0 mL of a 0.56M solution of sodium acetate. How many mL of 0.50M acetic acid should be added to make a buffer of pH 4.40.
Write a reaction for the formation of a peptide bond between alanine and serine. React the amino group of alanine with carboxyl group of serine. Remember that there are 2 products in this reaction.
the calculation of the Ksp value be affected if the endpoint of titration was surpassed (i.e. too much HCl was added)?
If 28mL of 7.0M Sulphuric acid(H2SO4) was spilled, then determine what is the minimum mass of NaHCO3 (Sodium bicarbonate or sodium hydrogen carbonate)
Furoic acid, HC5H3O3, has a Ka value of 6.76 10-4 at 25°C. Calculate the pH at 25°C for each of the following.
The vapor pressure of br2(l) at 25C is 228 mm hg. if 2.00g of br2 is usedm what is the final pressure in the flask? will there be liquid in the flask.
how many moles of gas are there in a 45.0 l container at 25.0 degress celcius and 500.0 mm hg
What was the Ka value calculated by the student if the pH of the solution was 2.60? Express your answer numerically using two significant figures
If a solution containing 92.455 g of mercury(II) chlorate is allowed to react completely with a solution containing 16.642 g of sodium sulfide, how many grams of solid precipitate will be formed?
Calculate the resulting pH if 150 mL of 1.50 M HClO4 is mixed with 500 mL of 0.125 M Ba(OH)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.
The Henry's Law constant for CH3Br gas in water at 25 oC is 0.159 mol/L-atm. Calculate the solubility of CH3Br in water at 25 oC in moles/L if the partial pressure of CH3Br in the headspace above a water sample is 1.71 atm.
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