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Determine the ratio of volumes (cm^3/atom and cm^3/mol) to determine Avogadro"s number (atoms/mole).
Calculate the amount of N2 gas released (in liters) when the diver returns to the surface of the water where the partial pressure of N2 is 0.80 atm.
2NaN3 (s) --> 2Na (s) + 3N2 (g), Calculate the volume of N2 generated at 80.0 C and 823 mmHg by the decomposition of 60.0 g of NaN3
A solution of glycerol in 701 g of water has a boiling point of 103.8 C at a pressure of 760 mm Hg. What is the mass of the glycerol in the solution?
If Kp = 1.80 for this reaction, what is the total pressure inside the vessel at equilibrium?
A chemical compound has a molecular weight of 132.05 g/mole. 1.908 grams of this compound un¬derwent complete combustion under constant pressure conditions in a calorimeter with a heat ca¬paci¬ty of 3580 J oC-1
Metalloids conduct electricity better than nonmetals but not as well as metals
105 cm3 of 2MSulphuric acid is required to neutralise 420 cm3 of potassium hydroxide. What is the concentration of potassium hydroxide?
The total pressure in a flask containing air and ethanol at 257C is 878 mm Hg. The pressure of the air in the flask at 257C is 762 mm Hg.
A system had 150 kJ of work done on it and its internal energy increased by 60 kJ. How much energy did the system gain or lose as heat?
Ethylene is produced by the dehydrogenation of ethane. If the feed includes 0.5 mol of steam(an inert diluent) per mole of ethane and if the reaction reaches equilibrium
Calculate the of the following solutions and report it to the correct number of significant figures: Seawater with H3O = 7.0×10?9
At a certain temperature, the root mean square speed of CH4 molecules is 1610 km/h. what is the root mean square speed of CO2 molecules at the same temperature ?
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