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Fumaric acid, which occurs in many plants, contains 41.4% C, 3.47% H, and 55.1% O by mass. A 0.5 mol sample of this compound has a mass of 58.0 g. What is the chemical formula for this compound?
Write a balanced molecular equation for these ten combinations.
Draw the Lewis structure for each of the following molecules or ions, and predict their electron-domain and molecular geometries.
What is the percentage protonation of the solute and Calculate the pH of the solute in an aqueous solution of 0.611 M Aqueous solution of Ammonia
Sorbic acid, C5H7COOH, is a weak monoprotic acid with Ka = 1.7 x 10-5. Calculate the pH of a solution containing 11.25 g of potassium sorbate in 1.75 L of solution.
if you burn 1.5 mol C3H8 according to the following reaction C3H8 +5O2 = 3CO2 + 4H2O how many grams of carbon dioxide are produced.
Determine what concentration of OH - is needed to dissolve 0.015 mol of Zn(OH) 2 zinc hydroxide in a liter of solution
16 grams CH3OH is dissolved in 27 grams of water at 30 degrees celcius. given that vapor pressure of water at 30 degrees celcius is 31.82mm Hg.
The Lyman series in the hydrogen atom corresponds to transitions that originate from the n=1 level in absorption or that terminate in the n=1 level for emission. Calculate the energy, frequency, and wavelength of the least and most energetic transiti..
Two particles with charges q1 and q2 are separated by distance d. Rank these scenarios according to the magnitude of the electrostatic (coulombic) potential energy.
A new global sustainable business and industry incubator network is expanding into a Paris suburb. They want to make the newly acquired building and operations more environmentally friendly.
Draw the accepted mechanism for each reaction and illustrate how each stereoisomer is formed in the reaction.
A mixture of NaCl and NaBr has a mass of 2.08g and is found to contain 0.78 of Na.What is the Mass of NaBr in the mixture.
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