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Acetylene has a pka of25. Calculate the Ka. The pka of phenol is 9.9. Which isthestronger acid: acetylene or phenol? Calculate the free energy ofionization of acetylene and phenol.
What volume of 0.1 M KMnO4 would be required to titrate 0.56 g of K2[Cu(C2O4)2] • 2H2O?
The complex ion [Co(CN)3]^3- absorbs a photon of wavelength 2.90×10^2 nm. What is the splitting energy of this complex in kJ/mol?
We are now processing magnesium fluoride from a mine in Elko. It can be used to coat binocular lenses. The Ksp for magnesium fluoride is 3.7 x 10^-8 at room temperature. Determine how many grams of magnesium fluoride is precipitated out if we plac..
The density of citronellal, a mosquito repellant, is 1.45 g · L-1 at 365C and 50.0 kPa. What is the molar mass of citronellal?
A canister is filled with 380g of ice and 100. g of liquid water, both at 0 C. The canister is placed in an oven until all the H2O has boiled off and the canister is empty. How much energy in calories was absorbed?
Explain why the bond dissociation energy for the C-C sigma bond in propane is lower than the BDE for the C-C bond in propene.
Draw the skeletal structure for trans-1-bromo-2-isopropylcyclopentane. Make sure the tapered end, i.e. the thin end, of the wedge bond is attached to the parent.
you have 100 ml graduated cylinder containing 50 ml of water. you drop a 154 g piece of brass d 8.56 gcm3 into the
A balloon is floating around outside your window. The temperature outside is 21 degrees celsius, and the air pressure is 0.800atm . Your neighbor, who released the balloon, tells you that he filled it with 3.30 moles of gas. What is the volume of ..
Determine the rate constant for the reaction at the temperature of 75 degree celsius?
According to the second law of thermodynamics, the change in the entropy of the universe (DeltaSuniv) during a spontaneous reaction
How many grams of phthalic acid o-C6H4(COOH)2 would be neutralized in 16.2 ml of a 0.100N NaOH solution?
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