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If it took 106 s for the color to change after 2.00 mL of NaOH were added to the flask, calculate the concentration of 2-chloro-2-methylpropane present in solution at t = 106 s.
An unknown metal M reacts with sulfur to form a compound with the formula MS. If 4.37 g of M reacts with 2.51 g of S, what are the names of M and MS?
Explain how the acid hydrolysis of starch differs from the enzyme catalyzed hydfolysis. Compare products as well as conditions of time and temperature
The precipitate SnO2·4H2O was removed by filtration. The resulting filtrate and washings were diluted to a total volume of 250.0 mL. A 15.00 mL aliquot was buffered and titration of the lead, copper, and zinc required 35.78 mL 0.001500 M EDTA.
A reaction mixture initially contains .56 atm CO2 and .32 atm CO. what is the equilibrium pressure of CO
what is the molarity of a saturated solution of AgOH with a Ksp = 2.0 x 10^ -8
The final temperature of the mixture is 27.0 degrees celsius. What is the heat capacity of the unknown substance?
If the pressure exerted by ozone,O3 , in the stratosphere is 3x10^-3 and the temperature is 246 K, how many ozone molecules are in a liter?
A 4.369g sample of metal is placed in a flask. water is added to the flask and the total volume in the flask is read to be 126.4ml.
the titration of acetic acid with sodium hydroxide can be expressed as the combination of two reactions: the acetic acid reacting with water, and the sodium hydroxide reacting with hydronium ion.
Write the reactions for the preparation of the diaonuim salt for the coupling of the salt with the sodium salt of 2-napthol. 2. Write the reaction of the sodium salt of para red when treated with 1 M H2SO4. Why does a precipitate form?
If 141 mL of wet H2 is collected over water at 24°C and a ba?rometric pressure of 738 torr, how many grams of Zn have been consumed.
Using condensed electron configurations and Lewis electron-dot symbols to depict the monatomic ions formed from each of the following reactants, predict the formula of the compound the ions produce. N and Mg
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