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Add the angular wave function for a 2s electron of C to that of a 2py electron of the same carbon atom. Subtract one from the other. In what direction do the functions point? What orbitals are "left" unused on the C atom?
How much HCl gas can be produced at STP by reacting 198 g of NaCl with excess H2SO4?NaCl + H2SO4 ! NaHSO4 + HCl.
How many grams of water can be cooled from 45 C to 23 C by the evaporation of 63 of water? (The heat of vaporization of water in this temperature range is 2.4 kJ/g . The specific heat of water is 4.18 J/g*K .)
Calculate the pH of the resultant mixtures: a. 10 ml of 0.2 M Ca(OH)2 + 25 ml of 0.1 M HCL b. 10 ml of 0.01 M H2SO4 + 10 ml of 0.01 M Ca(OH)2 c. 10 ml of 0.1 M H2SO4 + 10 ml of 0.1 M KOH
If you prepare a 1.00 m solution of NH4ClO4 beginning with water at 25.5C, what is the final temperature of the solution in C?
How many electrons are transferred in the following oxidation-reduction reaction?
Compute the pressure of the system express your answer in kPa. suppose the force of gravity = 9.81 m/sec^2 , density of mercury =13600 kg/m^3.?
Describe at least four methods that could be used to attempt to separate the oil and water at home. Based on the four methods postulate which method would work better than the others.
What is the density of lead (in ) if a rectangular bar measuring 0.50 in height, 1.55 in width, and 25.00 in length has a mass of 219.5 ?
The activation energy for the isomerization ol cyclopropane to propene is 274 kJ/mol. By what factor does the rate of this reaction increase as the temperature rises from 256 to 297 oC.
Use the density of copper (8.95 g/cm3) and its molar mass (63.55 g/mol) to calculate an approximate atomic radius for copper.
what will be the final temperature in degrees Celsius If the volume of a gas container at 32.0°C changes from 1550 mL to 755 mL,?
Water supply in a city is fluoridated by adding NaF. The preferred concentration of F- is 1.6ppm.calculate the amount of Naf in milligrams should be added per gallon (treated water) if the water supply is 0.2 ppm in F-?
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