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A certain weak base has a kb of 7.90*10-7, Explain what concentration of the base will produce a pH OF 10.33?
let us model a pi-electron in a tyrosine by assuming it is a particle trapped in a 2-dimensional square box. as you
By Solving this problem student understand about isotopic abundance and how to calculate atomic weight (average atomic mass) of an element -
the maximum number of electrons in an atom that can have quantum numbers n2 and l1 is a. 2 b. 4 c. 6 d. 8 2 which
The ice at an ice skating rink has a temperature of -5C (268.15 K). Use the Clapeyron equation to calculate the pressure (in atm) that an ice skate blade must exert to permit smooth skating.
When the liberated hydrogen gas is collected over water at 29 degrees celsius and 752 torr, the volume is found to be 343 mL. The vapor pressure of water at 29 degrees celsius is 30.0 torr. What is the mass percentage of aluminum in this alloy?
Is the market for Quotes should support your discussion instead of answering question an oligopoly market or a monopolistic ally competitive market
She then finds that upon absorption of 57.2J of heat the temperature of the rock rises from 25 degrees C to 57 degrees C. What is the specific heat capacitance of the substance. Assuming your experimental error is +/- 10%, is it gold
we used 5 different concentration levels to test the absorbtion a potato slice had (to increase its weight) then we had to make a scatter plot chart and find the isotonic point
Why does BeCO3(s) rapidly decompose to BeO(s) and CO2(g) at low temperature, but CaCO3(s) must be heated to undergo decompostion to CaO(s) and CO2(g)
Sulfur dioxide is released in the combustion of coal. Scrubbers use aqueous slurries of calcium hydroxide to remove the SO2 from flue gases. Write a balanced equation for this reaction
Determine the H3O+ concentration of a solution that has a pH of 8.75. Calculate the OH- concentration of a solution that has a [H3O+] of 3.5 x 10-10M.
List the following bonds in order of increasing ionic character. (Enter your answer in the format H-O for the hydrogen-to-oxygen bond in H2O. Use the appropriate symbol to separate substances in the list.)
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