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What mass of oxygen is produced when 50g of Na2O2 (sodium peroxide) react?
What is the wavelength of light having a frequency of 5.4 x 10^13 Hz? What is the frequency (in Hz) oflight having a wavelength of 8.26 x10^2 nm?
Determine [Zn2+] [CN-] [HCN] in a saturated solution of Zn(CN)2 with a fixed pH of 2.390. The Ksp for Zn(CN)2 is 3.0x10^-16. The Ka for HCN is 6.2x10^-10.
Draw the product(s) of the reaction of 3-dimethylcyclopentene with meta-chloroperoxybenzoic acid.
By how many volts will the potential of an ideal Mg+2 ion selective electrode change if the electrode is removed from a 1 x 10-4 M MgCl2 solution and replaced with a 1 x 10-2 M MgCl2 solution
How much work must be done to bring ion A and ion B together into an activated complex. The charge of ion A is +2 and it's ionic radius is 2.85 A and if the charge on ion B is +1 and it's ionic radius is 1.35 A
Draw the most stable conformation of trans-1-isobutyl-4-methylcyclohexane in both the chair conformation and the wedge structure.
Based on activation energies and energy changes and assuming that all collision factors are the same, answer the following questions- Which of the following reactions would be fastest in the forward direction
A sample of 45.0 mg a perfect gas fills a volume of 320.0 cm^3 at a pressure of 256Torr and at a temperature of 298 K. Determine the molar mass of such a gas based on the above data and assuming perfect gas behavior.
Heat energy is added to a 352 g block of nickel, and the temperature increases from 21 degrees C to 53 degrees C. If the same amount of heat was added to the same mass of water at the same temperature, what would the water's final temperature be
along with chemical shift arguments and resonance theory, assign all of the peaks in the 1H and 13C NMR spectra of 4-propoxybenzaldehyde. Briefly explain you reasoning.
Write an equation to show how diethyl malonate can react with sodium ethoxide, Na+OCH2CH33, in an acid-base reaction.
an ideal gas of one mole is sealed in a 22.4 litres container at a 1.00 atm of pressure and a 273 nbspkelvin of
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