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Air is about 78.% nitrogen molecules and 21.0% oxygen molecules. Several other gases make up the remaining 1% of air molecules.
Part A: What is the partial pressure of nitrogen in air at atmospheric pressure (1 atm)? Assume ideal behaviorPart B: What is the partial pressure of Oxygen in air at atmospheric pressure (1 atm)? Assume ideal behavior
A certain complex of metal M is formulated as MCl3*3H20. The coordination number of the complex is not known, but is expected to be 4 or 6. would reaction of the complex with AgNO3(aq) provide information about the coordination number?
Calculate the pH when 26.6 mL of 0.0025 M HCl is added to 100.0 mL of pure water. Comment and hint in the general feedback.
What is the final state of the system after 26.0 kJ of energy is removed from 150.0 g of water at 1 atm. The water has an initial temperature of 20.0?C . Cs(ice) 2.092 J/g?C Cs(water) 4.184 J/g?C ?Hfus ice 6008 J/mol
what is the theoretical yield of aluminum oxide if 2.40 mol of aluminum metal is exposed to 2.10 mol of oxygen
Describe an electrochemical cell tthat would have the following net equation, by answering the following questions.
Calculate the activities of Ca2+ and F- in the solution of flourite (CaF2) in pure water at 25C without regard to possible hydrolysis.
At the begining of the titration being performed in this lab experiement, how do you determine how much naoh should be added at each interval between volume-pH readings? As you approach the equivalence point,
the titration of acetic acid with sodium hydroxide can be expressed as the combination of two reactions: the acetic acid reacting with water, and the sodium hydroxide reacting with hydronium ion.
If the heat of combustion for a specific compound is -1100.0 kJ/mol and its molar mass is 75.49 g/mol, how many grams of this compound must you burn to release 390.70 kJ of heat
Calculate the density of Al from this information. What is the planar density of atoms in the (110) plane (and sketch how they are arranged)
C2H4(g) + H2O(g) C2H5OH(g) 1 mol C2H4, 1 mol H2O at 355K and 1 bar. Using equilibrium constant approach, calculate the equilibrium extent of reaction and the mole fractions
Specify the number of protons, neutrons, and electrons in the neutral atom iron-56. Enter your answers as integers separated by commas. The ion has _____ protons and _____ electrons
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