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Calculate the volume of a sample of nitrogen at -74 ?C and 1.3 atm if it occupies a volume of 4.07 L at 94.6 ?C and 1080 mmHg
Why is molality used in the equations describing freezing-point depression and boiling-point elevation? Explain in detail and explain the reason why molarity is nto used.
What is the relationship among intracellular fluids, 0.9% (W/V) NaCl and 5.0% (W/V) glucose?
Draw the organic product(s) of the intramolecular aldol condensation reaction of 2,6-heptanedione.
In the Lewis formula that minimizes formal charge, what is the formal charge on the sulfur atom in sulfur trioxide, SO3?
What is the solubility of nitrogen in the divers blood at the bottom of the dive? b: If you assume the mass of the divers blood is 5.0 kg, how many moles of nitrogen comes out of the divers blood when he comes to the surface?
Calculate the amount of energy present in the following photons and find the region of electromagnetic spectrum for each.
A sample containing 2.40 moles neon gas has a volume of 8.00 L. Assume that the pressure and the temperature remain constant.What is the new volume of gas in liters when a leak allows one-half of the neon atoms to escape?
What is the final concentration of a solution made from 7.8 mL of 0.92 M CuSO4 and 14.5 mL of water?
What is the enthalpy of combustion of this fuel in kJ/mol? The specific heat capacity of water is 4.184 J/g-°C.
Radioactive radon gas (222Rn) enters an average building at a rate of 5 picocuries per second per square meter of foundation area. Consider a house with a foundation of 400 square meters and a volume of 1000 cubic meters.
nitrogen dioxide decomposes according to the reaction given below where kp 4.48 10-13 at a certain temperature.2 no2g
What is the strongest attractive force that must be overcome in order to do the following: a) melt pure solid phosphorus pentachloride b) boil pure liquid selenium tetrafluoride c) boil pure liquid methanol (CH3OH) d) sublime pure solid carbon dio..
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