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What mass of oxygen (in grams) reacts when 13.2 g of methanol (CH3OH) are combusted in oxygen to produce carbon dioxide and water
What is the concentration of Cu2+ in the following cell at 25 degrees C if the cell voltage is 0.955V?
How many molecules of acetylene (HCCH) react with 131 molecules of oxygen to produce carbon dioxide and water
What is the mass (in grams) of the precipitate when 7.32 g of iron(II) nitrate reacts in solution with excess sodium carbonate
calculate the value for E for the cell at 25oC (b) A current is drawn from the cell until 1.20 g of silver have been deposited at the silver electrode. Calculate the value of E for the cell at that
For cell with hydrogen and silver-silver-chloride electrodes, the cell potential was measured at 0.342V at 298K. Calculate the mean activity coefficient for HCL if the molality of the solution is 0.
What mass of oxygen (in grams) reacts when 14.2 g of ethanol (CH3CH2OH) are combusted in oxygen to produce carbon dioxide and water
Calculate the volume of a gas if 10.0 ml of pure alcohol (C2H6O) is vaporized at its normal boiling point. (assume 1 atm pressure)
What is the theoretical yield (in g of precipitate) when 15.5 mL of a 0.701 M solution of iron(III) chloride is combined with 16.7 mL of a 0.6 M solution of lead(II) nitrate
Calculate E°cell and indicate whether the overall reaction shown is spontaneous or nonspontaneous.
What is the experimental yield (in g of precipitate) when 18.6 mL of a 0.634 M solution of barium hydroxide is combined with 19.5 mL of a 0.558 M solution of aluminum nitrate at a 85.4% yield
Dinitrogen oxide ( nitrous oxide, or laughing gas ) is sometimes used as an anesthetic. Here are some data about the N2O molecule: N-N bond length = 113 pm; N-O bond length = 119 pm.
What is the theoretical yield (in grams) of the precipitate when 22.2 g of iron(II) chloride reacts in solution with 10.91 g sodium hydroxide
How many total moles are produced when 0.595 mol of methanol (CH3OH) are combusted in oxygen to produce carbon dioxide and water
What is the theoretical yield (in mol) of carbon monoxide when 2.62 mol oxygen reacts with 2.08 mol of ethanol (CH3CH2OH) to produce carbon monoxide and water
How much heat is emitted when 4.55 of water condenses at 25 ? The heat of vaporization of water at 25 is 44.0.
If you were to dissolve 15.0 mg of the antibiotic in 546 mg cyclohexane, at what temperature would you expect this solution to boil
He begins to characterize this potentially novel molecule by dissolving 9.9 mg of it in 855 mg of cyclohexane and finds the melting point of the resulting solution is 6.30C.
In the titration of 50.0 mL of 0.0200 M C6H5COOH(aq) with 0.100 M KOH(aq), what is/are the major species in the solution after the additon of 5.0 mL of NaOH(aq)
A voltaic cell has a standard cell potential equal to 0.74 V. If the standard electrode (reduction) potential for the anode is - 0.22 V, what is the standard electrode potential for the cathode
What is the E°cell for the cell represented by the combination of the following half-reactions
36.8mL of hydrogren gas, from the reaction of a piece of magnesium ribbon with hydrochloric acid, are collected over water in a eudiometer. The temp of the hydrogen gas at 21C, and the atmospheric p
A voltaic cell prepared using aluminum and nickel has the following cell notation.
Chlorine is widely used to purify municipal water supplies and to treat swimming pool waters. Suppose that the volume of a particular sample of Cl2 gas is 8.80 L at 885 torr and 25*C.
How many kJ of heat are needed to completely melt 1.30 moles of , given that the water is at its melting point? The heat of fusion for water is 6.02 kJ/mole.