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Glycine, an amino acid used by organisms to make proteins, is represented by the following molecular model.
(a) Write its molecular formula.
(b) Determine its molar mass.
(c) Calculate the mass of 3 moles of glycine.
(d) Calculate the percent nitrogen by mass in glycine.
Define nucelophilicity. Give a detailed explanation as to why hydroxide
Draw elctron dot structures for the following elements. Na, Al, Cl Ar. Which are the most chemically reactive. Which are the leastchemically reactive
If the total mass of H2O produced is 23.4 grams, what was the approximate mass of the methane in the original mixture?
If 5.20mL of 0.1000 M NaOH solution is needed to just neutralize excess acid after 20.00 mL of 0.1000 M HCl was added to 1.00 g of an antacid, how many moles of acid can the antacid counteract per gram?
Sulfuric acid is a strong monoprotic acid. The bisulfate anion is a weak acid with a pKa of 1.92. Calculate the pH of a 0.1000 M solution of sulfuric acid.
As it expands, it does 135.8 J of work on its surroundings at a constant pressure of 783 torr. What is the final volume of the gas?
The carbon atom is lighter and makes carbon compounds gaseous while the heavier silicon atoms makes liquids and solids.
In thin layer chromatography (TLC) what does the Rf (retention factor) value represent. What is a large Rf value telling us. Can an Rf value be too small or large. What advantages and disadvantages does TLC have
Friedel-Crafts alkylation and acylation reactions won't work because of the deactivating nitro group present on the benzene ring. Propose an alternate pathway to the ketone product desired
The NaHCO3 is the limiting reactant and the HCl is the excess reactant in this experiment. Determine the theoretical yield of the NaCl product.
A sample of sodium reacts completely with 0.568 (kg) of chlorine, forming 936 (g) of sodium chloride. What mass of sodium reacted
Problem- The half life for the first order decomposition of N2O5 is 20.5 x 10^4 s. How long will it take for a sample of N205 to decompose to 80%, 50%, and 20% of its initial value
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