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Draw a molecular orbital energy level diagram and determine the bond order for each of the following?
a. H2+
b. He2
c. O2
0.4 grams sample of primary standard Na2CO3 treated with 45mL of dilute perchloric acid. Solution boiled to remove CO2 and then the excess HClO4 back titrated with 13mL of dilute NaOH
how large (in kg) an oxygen candle (KClO3) would be needed to supply 8 people with enough oxygen for 24 hours on a small submarine? Although this depends on the size of the person and their respiration rate, according to NASA, an average person ne..
Chloroform has Hvap=29.2 kj/mol and Svap=87.5j(K*mol). what is the boiling point of chloroform in Kelvins
What is the [H+] in the resulting solution when 10.0ml of 0.10M NaOH is mixed with 12.0ml of 0.10M HCl
What is the buffer component ratio, ([CH3COO-]/[CH3COOH]) of an acetate buffer
An alloy containing Al is analyzed. All the solution reacts with 212mL of 0.493M HCl in the 2.500g sample of alloy. calculate the mass percent of Al in the alloy.
The solution's boiling temperature is 103.25 degrees celsius. What is the molar mass of this molecular compound?
Calculate the pH of 0.300 L of a 0.500 M NaHSO3 / 0.300 M Na2SO3 buffer before and after the addition of the following solutions. Assume that the volume remains constant.
Gold (III) oxide, Au2O3, undergoes a thermal decomposition reaction to form gold metal and oxygen gas. Write a balanced molecular
A sealed balloon is filled with 2.20 L of helium at 23°C and 1.00 atm. The balloon rises to a point in the atmosphere where the pressure is 210. torr and the temperature is -32°C. What is the change in volume of the balloon as it ascends from 1.00..
How about for a solution of nitric acid (which has pKa of -1.4) Do the calculation for a formal concentration. of 1M and for the formal concentration of 0.1M.
Muriatic acid is a HCl solutin available in hardware stores. A 3.00-ml sample of muriatic acid required 15.44 ml of 2.04 M NaOH for complete neutralization
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