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C6H6 burns in air to produce CO2 and H20. Calculate the heat release in KJ/g of the compound reacted w/ oxygen. The standard enthalpy of formation of C6H6 is 49.04 KJ/mol.
Explain why the tensile strength decreases while the ductility increases during the annealing process.
A little confused on the difference between Resonance and Isomer structures. Can you explain these to me with examples. I am in Organic Chem.
A new atom is found that has 3 isotopes with masses of 262, 263 and 265. If the first is 0.17 abundant and the second is 0.41 abundant, what is the atomic mass of the element (give your answer to 2 decimal places).
carbon dioxide escapes due to A leak , leaving only 3.5 moles of CO 2 inside the balloon. Determine the new volume of the balloon?
A reaction has a first order rate constant of 4.31x10-5 s-1 at 25oC and 0.00111 s-1 at 65oC. What is the value of the rate constant at 43oC
Catalyzes the synthesis of ATP when protons flow down their electrochemical gradient 4. Utilizes ATP hydrolysis to pump protons down their electrochemical gradient I picked 1/3/4, because 2 uses protons and not electrons.
Find the amount of known substance present in the mixture and determine the mass of calcium carbonate present in original mixture.
if you had a saturated solution of nano3 at 40 degrees celsius that contained 85 grams of water how much of the salt
The total mass of pure metals produced = 0.4684 grams. compute the mass percent of CuCl2, and AgNO3, FeCl3 in the original mixture.
What volume will 1.5 atm gas sample of Methane occupy at 120 C? What volume will 1.5 atm gas sample of Butane occupy at 120 C
Calculate the concentrations of H2SO3, HSO3-, SO32-, H3O+ and OH- in a 0.025M H2SO3. The pH is 1.88 and the Ka1= 1.5 x 10-2 and Ka2 = 6.3 x 10-8.
the water solubility of L-alanine is 127g/L at 25 degrees celsius, what is the water solubility of D-alanine at 25 degrees celsius?
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