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For the gaseous reaction H2O + SO3 H2SO4, K = 1.0 at 200 K. If the temperature on the system at equilibrium is increased, what will happen to the concentration of sulfur trioxide?
Calculate the change in pH when 6.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
a 192 g piece of copper is heated to 100.0c in a boiling water bath and then dropped into a beaker containing 75.0 ml
The work function of an element is the energy required to remove an electron from the surface of the solid element. The work function for lithium is 279.7 kJ/mol.
Determine which is the limiting reagent and how many grams of excess reagent remain unreacted. Calculate the theoretical yield of the reaction
exactly 350.00 ml of a soltuion containing 685.0 ppm bano32 were mixed with 310.00 mo of a solution that contained
A solution composed of 20.00 g C2H5OH in 60.00 g CCl4 has a density of 1.280 g/mL. Calculate the molarity of C2H5OH in the solution.
A sample of steam with a mass of 0.550grams and at a temperature of 100 degrees celcius condenses into an insulated container holding 4.30grams of water at 6.0 celcius
flask apparatus which now contains 2.00 l h2 at a pressure of 360 torr and 1.00 l n2 at an unknown pressure. if the
Which reaction intermediate is formed when 4-methylcyclohexene reacts with Br2 dissolved in CCl4?
Why does phenolphtalein change colour during the production of gas?
Most top-loading balances used in this experiment measure a mass only to the nearest mg(+/- 0.001 g). This significantly affects the calculation of R in the experiment
A particular first-order reaction has a rate constant of 1.35x10^2 at 20 degrees C . What is the magnitude of k at 75 degrees C if Ea =85.6Kj/mol?
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