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The gaseous product of a reaction is collected in a 25.0 L contained at 27 degrees Celsius. The pressure in the container is 216 kPa, and the gas has a mass of 96.0g. What is the molar mass of the gas?
which gas has particles with the slowest average speed at 28 C? 1- Carbon dioxide 2- Sulfur trixoide 3- Sulfur hexafoluride 4- Hydrogen choride 5- Helium
the first-order rate constant for the decomposition of n2o52n2o5g ---gt4no2g o2gat 70c is 6.82 10 - 3s - 1. suppose
How many mmoles of mercury are in the sample? B) How many mg's of mercury are in the sample? C)What is the percent mercury (w/w) in the ointment?
What is the standard reduction potential and standard oxidation potential of water? I can't tell from the chart because water is in two places.
Calculate the molarity (M) of a solution prepared by dissolving 1.00g of ethanol (C2H6O) in enough water to give a final volume of 101 mL.
The half-equivalence point of a titration occurs half way to the end point, where half of the analyte has reacted to form its conjugate, and the other half still remains unreacted
What mass of Copper (II) Hydroxide precipiate is produced by the double displacement reaction in a solution of 2.67g of potassium hydroxide
A Breathalyzer instrument contains two ampules, each of which contains 0.75 mg K2Cr2O7 dissolved in 3 mL of 9 mol L^-1 H2SO4(aq). One of the ampules is used as reference. When a person exhales into the tube of the Breathalyzer, the breath is direc..
Doubling the concentrations of H2S while keeping the concentration of Cl2 constant results in the initital rate increasing by a factor of two.
What is the pH of this buffer solution? (Neglect the volume change that occurs with addition of solid sodium nitrite) b.) Calculate the pH when 2.00 mL of 0.0275 M NaOH are added to 50.0 mL of buffer solution.
Calculate the uncertainty in position. The function Ax(1-(x/a)) is an acceptable wave function for the particle in the one dimensional
In a particular redox reaction, NO is oxidized to NO3- and Fe3 is reduced to Fe2 . Complete and balance the equation for this reaction in acidic solution. Phases are optional. NO + Fe^3+ ----->NO3^- + Fe^2+
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