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What the Ideal and Van der Waals Pressure of ethane gas at temperature of 500K and Molar Volume of 7.28 x 10^-5 m^3/mol?
Compute the number of grams of H 2 SO 4 in 1 gallon of battery acid if the solution is 38.9% sulfuric acid by mass and has a density of 1.33g/mL ?
How can you tell that Cobalt(II) iodide is a binary ionic compound formed by a transition metal with more than one ionic charge?
A copper refinery produces a copper ingot weighing 180lb . If the copper is drawn into wire whose diameter is 8.10 mm , how many feet of copper can be obtained from the ingot? The density of copper is 8.94g/cm3 .
They will dilute the 0.5 M solution to obtain 100 mL of 0.15M solution and dilute the 0.5m solution to obtain 10,000 ppm per mass. What is the molarity, molality, mass fraction and mole fraction
Enzyme X is a highly pigmented protein that imparts the characteristic color to certain blue-green algae. It also facilitates a reaction necessary to the survival of this species
The attractive force between neighboring dipoles. the force that arises because of the large differences in electronegativities in the N-H bonds
A sample of gas occupies a volume of 115mL at a pressure of 720. mmHg. Calculate its volume at STP.
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
If C 6 H 12 O 6 yields C 2 H 5 OH+CO 2 then balance this equation and determine what the percent yield for the reaction is if 575.0 grams of C 6 H 12 O 6 glucose yields 126.4mL of C 2 H 5 OH ethanol?
What is the mole fraction of solute and the molal concentration for an aqueous solution that is 19.0% NaOH by mass?
The normal boiling point of hydroquinone is 310°C. Calculate the pressure at which hydroquinone will boil at 200°C given that its Hvap is 73.38 kJ/mol.
The next most abundent isotope is 26Mg, relative atomic mass 25.98259. The third Isotope is 25Mg whose natural abundance is in the ratio of 0.9083 to that of 26Mg. What is the relative atomic mass of 25Mg?
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