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a)A 2.00 g sample of a gas SX6 has volume of 329.5 cm^3 at 1.00 atm and 20 C. WHat element is X? b) What is the density of carbon monoxide gas at 127 C and 763 mm Hg?
Many scientists and business professionals describe the achievement as a turning point. Provide a summary of what took place during the project and why such activity is significant for us today.
What molar ratio of benzoate ion to benzoic acid would be required to prepare a buffer with a pH of 5.20? [Ka(C6H5COOH) = 6.5 * 10-5]
in europe gasoline efficiency is measured in rm kml. if your cars gas mileage is 23.0 migal how many liters of gasoline
Iodobenzene ( C6 H5 I, bp 188 C) Steam distills at 98.2 C. How many molecules of water are required to carry over 1 molecule of iodobenzene. how many grams of water per gram of iodobenzene
a 0.1946 g piece of magnesium metal is burned in a constant volume calorimeter that has a heat capacity of 1349 jdegc.
Calculate the molarity and mole fraction of a 1.51 m solution of acetone (CH3COCH3) dissolved in ethanol (C2H5OH). (Density of acetone = 0.788 g/cm3; density of ethanol = 0.789 g/cm3.) Assume that the final volume equals the sum of the volumes of ..
Calculate the pH of a solution resulting from the titration of 50mL of 0.04M HBr with 25 mL of 0.107M KOH. Give your answer to two decimal places
The heat combustion of ch4 is 890.4 the heat capacity of h20 is 75.2. find the volume of methane measured at 298k and .690atm reauired to convert
It takes 585J of energy to raise the temp of 125.6g mercury from 20.0 degrees C to 53.5 degrees C. Calculate the specific heat capacity and the molar heat capacity of mercury
when 75.0 of a 0.100 lead nitrate solution is mixed with 100.0 of a 0.190 potassium iodide solution a yellow-orange
What are the alkene products of 2-bromo-3-phenylbutane treated with sodium methoxide
Using Le Chateleir's principle, explain the effect on teh cell potential of decreasing the Fe2+ ion concentration from 1.0M to 0.1M for each of the following reactions. The concentration of the other solution remains at 1.0M.
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