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Liquid X has a certain partial pressure when in the pure state. Liquid Y is then added and after equilibration the partial pressure of X did not change. There is no Y vapor detected. Did the liquids mix? Explain. What is a physical meaning for the non-detection of the partial pressure of liquid Y given partial pressure of X is unchanged?
Which of the following molecules is best described as having a nearly tetrahedral distribution of electron density
Calculate the pH of a solution when 0.200 moles of solid NaOH is added to 2.00 liter of 0.250 M HCl. Assume no change in volume.
The initial temp of the calorimeter is 21.5 degrees celcius. the H2o is initially 98.1 degrees celcius and final temp of both the H2o and calorimeter is 39.2. Calculate the heat capacity in units of J/c. Use 4.184 j/g for specific heat of water
Write equation for the reaction : Mg+H2SO4(diluted) Identify the oxidizing agent and the reducing agent.
A catalyst increases the overall rate of reaction by lowering the activation energy, Ea, for A) both the forward reaction and the reverse reaction.
Suppose 11.78 mL of the same thiosulfate solution reacts with the iodine replaced by 20.00 mL of an unknown solution of sodium hypochlorite. Calculate the weight, in grams, of available Cl in a liter of the unknown solution. Enter your answer as a..
Calculate the wavelength (in nanometers) of a muon weighing 1.884x10^25g traveling at 325m/s.
Select all of the correct statements about reaction quotients and equilibrium constants from the choices below. A reaction quotient equals the equilibrium constant at equilibrium. In a reacting mixture K is the ratio of product to reactant concent..
An aqueous solution that contains 285ppm of potassium nitrate (KNO3) is being used to feed plants in a garden. What volume of this solution is needed.
what mass of stomach acid will neturalise an antacid tablet containing 0.1g of magnesium hydrogen carbonate
Consider the titration of 41.2ml of 0.270M HF with 0.180M NaOH. Calculate the ph at each of the following points. how many milliliters of base are required to reach the equivalence point?
A 5.0 g sample of a hydrate of BaCl2 was heated, and only 4.3 g of the anhydrous salt remained. What percentage of water was in the hydrate?
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