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Consider the equation A(aq) + 2B(aq) ? ? 3C(aq) + 2D (aq) In one experiment, 45.0 mL of 0.050 M A is mixed with 25.0mL of 0.100 M B. At equilibrium, the concentration of C is 0.0410 M . Calculate K.
The amount of carbon dioxide in a gaseous mixture of CO2 and CO can be determined by passing the gas into an aqueous solution that contains an excess of Ba(OH)2
Provide structures consistent with the following molecular formulae and spectral data, and assign spectral peaks. Write your structures and tables on a sheet of paper.
Give the cell notation based on the following reaction: Fe(s) + Hg2 ++ (aqueous) = Fe++ (aqueous) + 2Hg (l) the solution concentrations are 0.01 M
write an equat ion which, if solved,would give the average scalar momentum, , of molecules of an equilibrium gas.
A buffer is made up 0.24 M propanoic acid, CH3CH2COOH, a weak monoprotic acid, and 0.17 M of sodium propanoate, CH3CH2COONa. What is the pH of the solution.
What is the value of the rate constant at the temperature of this experiment. Give an answer with concentration units of molarity and time units of seconds.
C2H5OH(l) + C3H7COOH(l) C3H7COOC2H5(l) + H2O(l) Determine the mass of ethyl butanoate produced if 3.30 mol of ethanol is used.
Which of the following is a homogeneous mixture? Which of the following represents a chemical change, rather than a physical change? Which of the following pairs of symbol & element is incorrect?
FOr the balanced equation shown below, how many moles of Fe3O4 will react with 1.02 moles of CO, to form how many moles of FeO
The element lanthanum has an atomic weight of 139 and consists of two stable isotopes lanthanum-138 and lanthanum-139.
what function of acetic acid in rection to yield acetanilide? can it be changed to another
Consider the titration of 30mL of 0.030 M of NH3 with 0.030M HCl. Calculate the pH after the following volumes of titrant have been added
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