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A 30.9mL sodium hydroxide solution of unknown concentration is titrated against .0113 M terephthalic acid (a diprotic acid with a molar mass of 166.14 g/mol). The burret has an initial volume of 50mL and a volume of 11.4mL at the equivalence point. Compute the concentration of the sodium hydroxide solution.
Explain what quantity of heat energy, in joules, must be released by mercury if 1.80 mL of mercury is cooled from 23.0°C to -38.8°C also then frozen to a solid? The density of liquid mercury is 13.6 g/cm3 and its specific heat capacity is 0.140 J/..
Predict the order of melting point, from low to high, for the following compounds, based on intermolecular forces: CaF2 H2O H2S CH2Cl2 N2
At a certain temperature, reaction has equilibrium constant (Kc) of 1.9 x10^19. Determine the equlibrium constant for the reaction based on this information at the same temperature.
Gives what happens at neutral pH for aluminum hydroxide. A) Al dissolves B) Al(H2O)63+ dissolves C) Al(OH)3 precipitates D) Al(H2O)2(OH)4- dissolves
The rate of a reaction increases with increasing concentrations of reactants because you have more collisions occurring in a given time period. The rate of a chemical reaction is inversely proportional to the temperature.
What will happen to the equilibrium as OH- ions are added?
aswer the questions1. use a spreadsheet to make an xy scatter plot label the axes and give it a title.2. use a
For the subsequent reactions, state the balanced formula equation, complete ionic equation and net ionic equation. If no precipitate forms write No reaction
when a molecule must have a double bond inaccordance with the octet rule what shape does it have accordingto vsepr? or
Build and elucidate a prototype model, Use your model to recommend a schedule of the burning and, if necessary buying, fuels, Use your model and its results to offer.
Calculate the pH at equivalence point when 40.0 ml of 0.50 M aniline is titrated with 30.0 ml of 0.67 M HBr. For aniline Kb=3.8x10exp
A voltaic cell that uses reaction: PdCl4^2-(aq)+Cd(s)-->Pd(s)+4Cl-(aq)+Cd^2+(aq) has a measured standard cell potential of +1.03V 1. Write the two half-cell reactions. 2. determine E red for the the reaction involving Pd 3. Sketch the voltaic cel..
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