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Consider the following graph of the concentration of a substance over time.
(a) Is X a reactant or product of the reaction?
(b) Is the reaction speeding up, slowing down, or not changing its rate as time progresses?
(c) Why is the average rate of the reaction different between points 1 and 2 than between points 2 and 3?
A mono methyl-substituted 1-naphthol is permitted to couple with a diazonium prepared from a mono-substituted hydroxyaniline. Explain how many different coupling products can be acquired assuming all patterns of the starting materials are availabl..
the mass of component A is 2.47 g, component B is 1.12 g, and component C is 0.654 g; what is the percent composition of component A?
How many mL of a .175 M FeCl3 solution are needed to make 250 mL of a solution that is .300 M in Cl- Ion
The laser in an audio cd player uses light with a wavelength of 7.80* 10^2nm. Calculate the frequency of the light.
A student used 20.0 mL of 0.1035 M NaOH to titrate 20 mL of orange juice. How many grams of citric acid were present in the sample? The molar mass of citric acid, H3C6H5O7, is 192.12 g/mol.
How many total moles are produced when 0.69 mol of ethanol (CH3CH2OH) are combusted in oxygen to produce carbon dioxide and water
The relationship (if any) of the lattice energy of compounds such as ZnO vs. H3BO3 vs. their respective solubilities. For instance, at neutral pH and standard conditions
Write the standard half-cell reduction reaction equation for reactive species in the beaker. B) Determine the cell potential(Ecell) at the moment of mixing.
Diet cola has a pH of 3.0 while milk has a pH of 7.0. How many times greater is the H+ concentration in the diet cola than the milk
A solution is prepared by dissolving 5.32 grams of potassium nitrite (a food preservative, as Clark Griswold would explain) into about100 ml of DI water in a volumetric flask. Enough water is then added to give a total volume of 250.0 ml. What are..
The pka of the carboxyl group is 3.0. you have 500liters of 0.1 M acetylsalicylic acid. how much solid sodium hydroxide has to be added to convert all of the acetylsalicylic acid into sodium acetylsalicylate
Is the melting of wax a physical or chemical change? from the mass measurement only,( the mass of the candle at 0 minute is 10.1g, after 30 minutes is 7.4g) how could a chemical also be proved to have occured in the burning of candle.
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