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Given that the N triple bond energy in N2 gas is 941 KJ/mol and that the O double bond in O2 gas is 494 kJ per mole, calculate the no bond energy in No and ONO (heat of formation of NO is 90.4) (NO2 is 52.7
How many molecules of acetylene (HCCH) react with 146 molecules of oxygen to produce carbon dioxide and water?
We use Use the De Broglie wavelength formula, ohr radius definition and wave-particle duality equation to compute the wavelength of,
A 33.5 mL sample of a KOH solution of unknown concentration requires 22.1 mL of 0.200 M solution to reach the end point in a titration. What is the molarity of the KOH solution?
What is the total pressure exerted by a mixture of 1.50 g H2 and 5.00 g N2 in a 5.00 L vessel at 25 ºC
Some velomobile seats have been designed to hold ice packs inside their cushions. If you started a ride with ice packs that held 1700 g of frozen water at 0 degrees C , and the temperature of the water at the end of the ride was 32 degrees C.
A collapsed balloon is filled with He to a volume of 11.2L at a pressure of 1.00 atm. Oxygen (O2) is then assed so that the final volume of the ballon is 21
A solid sample weighing 0.2736 g of ethylammonium chloride appreciably contaminated with ammonium chloride (but no other contaminants) required 34.20 mL of 0.08177 M NaOH for complete titration. Find the weight percent of each component in the mix..
Given that the rate constant is 4.0×10-4 at 25.0 degrees C and that the rate constant is 2.6×10-3 at 42.4 degrees C, what is the activation energy in kilojoules per mole?
How many grams of titanium tetrachloride can be produced?
Make a rough calculation of the amount of CO2 exhaled by a person in day. With this, and assuming a space crew of five, how much LiOH must be taken in a seven day mission? Take into consideration a safety factor of 200%.
The density of an unknown gas is 4.00 grams per liter at 4.00 atmospheres pressure and 127 degrees C. What is the molecular weight of the gas?
Which instrument can be used to determine the total calcium in a small blood sample.suggest a second method suitable for determine the free calcium ions on a similar sample of bood.
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