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All of the common noble gases are mono atomic and low boiling. Their boiling points in °C are: Ne,-245: Ar,-186;Kr,-152: and Xe, -107. Using the periodic relationship between the noble gases, predict the boiling point of Radon.
when 9 drops of 0.014 m na2co3aq are added to 25 ml of 0.003 magno3aq. find the qspnbsp if the solubility product of
if 2.0 g of helium gas and 5.46 g of oxygen gas are mixed togeher, what is the mole fraction of helium in the solution?
A reactant R is being consumed in a first-order reaction. What fraction of the initial R is consumed in 4.0 half-lives
Claisen reactions use a stoichiometric amount of base and do not polymerize, unlike aldol reactions that use a catalytic amount of base and can polymerize.
The root-mean-square (rms) speed of a sample of molecules was found to be 1.8 x 10^3 m s at 25C. After heating, the rms speed was found to be 4.6 x 10^3 m s. What was the temperature of the sample after heating
Determine the molar concentration of CH 3 COOH present in the vinegar?
why would a direct measurement of the heat of decomposition of sodiium hydrogen carbonate be impossible usig a coffee cup calorimeter.
what is the change in enthropy for this process in kJ/K*mole. The atomic mass of oxygen is 16.00.
A gaseous mixture of 02, H2 and N2 has a total pressure of 1.50atm and contains 8.20g of each gas. Find the partial pressure of each gas in the mixture?
how could you use IR spectroscopy to identify which alkene is in which vial? How do you determine what the wavenumber values are for specific compounds/ elements?
one mole of calcium carbonate reacts with ammonia to produce cacn2 and liquid water. the reaction absorbs 90.1 kj of
If a 17.5 g sample of iron(III) oxide reacted with 5.00 L of carbon monoxide at 788 torr and 76 degrees celsius until one reactant is completely consumed, how many grams of iron are produced?
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