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How many total moles are produced when 0.595 mol of methanol (CH3OH) are combusted in oxygen to produce carbon dioxide and water
Diethyl ether has a H°vap of 29.1 kJ/mol and a vapor pressure of 0.703 atm at 25.0°C. What is its vapor pressure at 85.0°C?
The enthalpy change for any reaction can be obtained by subtracting the sum of the enthalpy changes of formation of the reactants from the sum of the enthalpy changes of formation of the products.
You are told to prepare a Ammonium buffer solution (0.15M, pH 8.5; 1.0L). You have HCl (0.15M); Ammonia (NH3) and Ammonium chloride (NH4Cl); solid 100g) (Kb for NH3 = 1.8 x 10-5). Please show how you are going to prepare this solution.
Find the change in the fraction of visibility for a person from planet Krypton with x-ray vision in addition to visible spectrum.
Describe the preparation of 12 mL of a 0.050 M solution of each of the halogens, using the reactions in the preceding question. Available to you are solid Ca(OCl)2
12.0 moles of gas are in a 5.00 L tank at 23.9 C. Calculate the difference in pressure between methane and an ideal gas under these conditions.
If the volume of solute is 6 ml and the volume of the solution is 300 ml, what is the solute's percent by volume?
What pH would you make the water layer in order to cause the acid to dissolve in the ether layer and the amine to dissolve in the water layer? d. How would you purify a mixture of benzoic acid, chlorobenzene, and cyclohexylamine?
What formula of the percipitate formed? and what do you observe upon the addition of dilute HNO3 and what equillibrium has been disturbed? would you expect lead chloride to dissolve in dilute HNO3? Explain
The flask was then shaken until the solution was uniform. A 60.0 mL sample of this glucose solution was diluted to 0.500 L. How many grams of glucose are in 100. mL of the final solution?
Define dipole moment. Distinguish between polar and nonpolar bonds.Give an example of each
Ethanethiol (C2H6S) is a compound with a disagreeable odor that can be used to impart an odor to natural gas. When ethanethiol is burned, the sulfur reacts with oxygen to form SO2
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