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What is the value of the equilibrium constant at 25 degrees C for a reaction, if the value of ?G°rxn is -47.8 kJ at 25 degrees C?
Calculate the mass in metric tons of a cube of Au that is 36.1cm on each side? It is given that density of gold- 19.3 g.cm 3 , (1 metric ton-100kg)
Write a balanced combustion reaction for natural gas composed of 90 mol% methane and 10 mol% ethane. [Fractional moles are convenient for the subsequents calculations. Your reaction should have .90 mol methane and .10 mol ethane on the left side. ..
There are two different schemes you could use to synthesize 4-ethyl-3-heptanol using a Grignard reagent and a carbonyl-containing compound
A 25ml solution of quinine was titrated with 1.00 M hydrochloric acid, HCl. It was found that the soluiton contained 0.125 moles of quinine. What was the pH of the solution after 50 ml of the HCl solution were added? Quinine is monobasic with pKb=..
Adipic Acid (H2C6H8O4) is a carboxylic acid containing compound of industrial importance, notably due to its use during fabrication of nylon. Adipic acid can be titrated using NaOh by the following reaction
What volume of CO2 gas is produced by the complete combustion of 2.6L (C3H8) gas? Assume all gas volumes are measured at the same temperature and pressure. C3H8 + 5O2 ---> 3CO2 + 4H2O
What experimental difficulty would you encounter if you had neglected to include a drying step before evaporation
Calculate the time it takes to deposit 0.100g of copper from a copper sulphate solution if a 3.50 amp current
Molecule with 3 single bonds and 1 lone pair of electrons around the central atom is predicted to have what type of molecular geometry? d. which of the following molecules is polar? PBr5, CCl4, BrF5, XeF2, XeF4 e. a sp3d hybridized central atom ha..
Calculate the number of mmoles of primary standard grade Na2CO3. b. How many mmoles of HCl reacted with the Na2CO3? c. Calculate the molarity of the HCl solution.
What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself.
Use the appropriate standard reduction potentials to calculate the value of k at 25 degrees celcius for this reaction NiO(s)+2Cl-(aq)+4H+(aq)->Cl2(g)+Ni^+2(aq)+2H2O(l)
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