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In the synthesis of hydrogen fluoride from hydrogen and fluorine 4.000 mol H2 and 6.000 mol F2 are mixed in a 3.000 L flask. Assume that the equilibrium constant for this reaction at the temperature at which the synthesis is carried out is 1.15 x 10-2 . Please find the equilibrium concentrations of all 3 substances
At the end of the dryer the air is at 20 degrees celcius and 90% relative humidity. What is the relative humidity of the air at the entrance to the dryer?
Problem- A metal whose threshold frequency is 6.71 * 10^14 s^-1 emits an electron with a velocity of 6.95 * 10^5 m/s when radiation of 1.01 * 10^15 s^-1 strikes the metal. Use these data to calculate the mass of the electron
how does a large electronegativity difference affect molecular properties?1. it makes the bonds stronger and shorter
The vapor pressure of pure CCl4 at that temperature is 143 torr and the vapor pressure of the pure unknown is 85 torr. What is the molar mass of the unknown?
How much water mass must be added to .45 moles of glucose to make a 15% by mass solution. The molar mass of glucose is 180 g/mol
Milk of Magnesia is actually a suspension (that's why instructions often mention shaking before use) of solid Mg(OH)2. 1.00 liter of solution of 0.055 moles of Mg2+ is held at a pH of 7.00. Would a precipitate form? If so, what fraction of the origin..
compute the volume of sodium hydroxide that is required to make a buffer with a pH = 5.77.? given that pKa = 4.77. and initial volume of the acid solution = 1.00 Litre.
Can you explain the second step to third step transition in the citric acid cycle in chemistry?
To a small degree, some of the fuel supplied in the United States contains 5% ethanol, C2H5OH. If the density of this fuel is 0.737 g/mL, what is the molarity of the ethanol (fuel) solution
Compute the vapor pressure of a solution of 78 g of benzene as well as 46 g of toluene at 90 oC. Is the boiling point of this mixture higher or lower than 90 oC at an atmospheric pressure of 1 atm
How many drogens would an 8-carbon alkane in which 3 of the carbons branched from the main chain contain?
What is the volume of the balloon?
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