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Enough of a monoprotic acid is dissolved in water to produce a 1.57 M solution. The pH of the resulting solution is 2.92. Calculate the Ka for the acid.
calculate the molarity of a solution of glycerol made by dissolving 68.000 glycerol at 15 in enough water to make
what is the chemical equation name and formula for the follwing?when strongly heated magnesium sulfide formed a yellow
A student dehydrated 10.0 g of 2-methyl-2-butanol with %50 sulfuric acid and obtained 6.50 g of products. Calculate the theoretical yield and the percent yield.
How many kilojoules of energy are required to heat 50.0 g of ethanol from -20.0°C to 68.0°C?
Use Lewis theory to determine the formula for the compound that forms between the two elements listed
The elements X and Y form a compound that is 66.67% X and 33.33% Y by mass. The atomic mass of X is twice that of Y. What's the empirical formula?
Calculate the change in the mass of copper at the anode or cathode if the charge calculated above is passed through the cell described. Enter your answer as a positive quantity in mg. Mass change at the electrode = ? mg
How do the two graphs compare if the frequency factor of the second reaction is higher than the frequency factor of the first reaction but the two reactions have the same activation energy?
a little girl is celebrating her 7th birthday. each guest is served one large slice of chocolate cake a hamburger
CCl4 dipole-dipole dispersion ion-dipole ion-ion (b) CsBr dipole-dipole dispersion ion-dipole ion-ion (c) BaCl2 dipole-dipole dispersion ion-dipole ion-ion
the absorptions corresponding to other C-O or C-halogen single bond stretching vibrations are in the finger print region at significantly lower frequency.
determine the molarity of a saturated nai sodium iodide solution aqueous formed as twenty five degree celsius
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