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What is the pressure in atmospheres inside a container of gas connected to a mercury-filled open-end manometer when the level in the arm connected to the container is 28.0cm higher than the level in the arm open to the atmosphere and the atmospheric pressure reading outside the apparatus is 1.017atm?
The next three (3) problems deal with the titration of 461 mL of 0.501 M carbonic acid (H2CO3) (Ka1 = 4.3 x 10-7, Ka2 = 5.6 x 10-11) with 1.1 M NaOH. What is the pH of the solution at the 2nd equivalence point
At constant volume, the heat of combustion of a particular compound is -3973.0 kJ/mol. When 1.481 g of this compound (molar mass = 172.71 g/mol)
which anions generally form percipitates? what are the exceptions?
Use the data given to calculate an overall energy change (in kilojoules per mole) for the formation of CsF2 from its elements.
100 moles of C4H10 undergoes complete combustion in excess air. First, show the degree of freedom analysis for this process. Then calculate the composition (mole fractions) of the stack gas on a wet basis for the following three cases: (1) theoret..
When a 2.691 g sample of the unknown organic compound is vaporized at 90.0(degrees)C and 708. mmHg it is found to occupy a volume of 1.00L.
A gas mixture with a total pressure of 750mmHg contains each of the following gases at the indicated partial pressures:CO2 , 133mmHg ; Ar,215mmHg and O2,177mmHg
Write a balanced equation for the conversion of C6H5CHOHCH3 to the methyl ketone in the presence of I2 and NAOH
what is the concentration of H+ ions in a solution of hydrochloric acid that was prepared by diluting 5o.o ml of concentrated
What mass of liquid water at room temperature (25 C) can be raised to its boiling point with the addition of 31.0 kJ of energy
A 2 cm string is fastened at both sides is plucked. What is the wavelength of the n = 4 standing wave? How many nodes does it contain?
What are the various uses of radioactivity in healthcare? What are the future trends in healthcare with respect to the use of radioactivity?
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