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Carbon oxide (carbon (II) oxide) can be purified of oxygen impurities by having it react with cobalt (II) oxide. If the impure carbon oxide contains a volume of 1.5% oxygen, and if it reacts with cobalt (II) oxide at 250 °C and 500 kPa, what mass of cobalt (II) oxide will be required to purify 1.00 x 105 L of carbon oxide?
what is the boiling point of a solution containing 2.33 grams of C8H10N4O2 , dissolved in 15 grams of benzene?
How much HCl is leftover after the 20.0 mol of HCl reacts with the 12.5 mol of NaOH?
A liquid has a H vaporization of 35.5kJ/mol and a boiling point 0f 122 degrees celcius at 1.00 atm.What is its vapour pressure at 109 degrees celcius.
The molar mass of an unknown gas was measured by an effusion experiment. It was found that it took 63 s for the gas to effuse, whereas nitrogen gas required 48 s. The molar mass of the gas is
A gas sample has a voulume of 4250 ml at 15 degree celcius and 745mmHg. What is the new container with a voulume of 2.50 L and a pressure of 1.20 atm
How many moles of the nonelectrolyte, propylene glycol(C3H8O2) should be dissolved in 800.0g of water to prepare a solution whose freezing point is -3.73C? For water, Kfis 1.86C m-1 and Kb is 0.51C m-1.
How to calculate ion mobility of DNA as well as single molecule of dNTP? This calculation would be further used for conductivity of DNA or dNTP in solution.
The outdoor concentration of radon is 1 pCi/L. Develop a mass balance for this problem and estimate the steady-state radon concentration in the crawl space (in pCi/L).
why during a GC is the boiling point for some samples higher than the final temperature used during the run yet these samples still run
You collected a water sample from your shower containing 3.2mM Ca2+ and 1.1 mM Mg2+ whats the hardness of water in terms of CaCO3/L.
A mixture of Na_2CO_3 and NaHCO_3 has a mass of 81.5 . It is dissolved in 1.00 of water and the pH is found to be 9.92. Find the mass of NaHCO_3 in the mixture?
Write the formula of the nine chemical substances mentioned in the introduction. Classify each as either a molecular compound, an ionic compound, a molecular element, or a metal. For the copper cycle experiment
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