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How is electronegativity used in determining ionic and covalent character of the bonding between two elements? And how do you tell if between two componds which is more ionic/covalent?
Calculate the standard reduction potential and standard apparent free energy change for the transfer of a pair of electrons from FADH2 to 1/2O2. Show all calculations.
At what temperature will the bottom of a column of mercury of height 30.0 feet be expected to freeze? Use the data given below for mercury:
The Ksp of AgCl at 25 oC is 1.6 x 10-10. Consider a solution that is 1.0 x 10-3 M CaCl2 and 1.0 x 10-7 M AgNO3. 1. Ksp and a precipitate will not form.
Estrone is a female sex hormone that is known to contain 80.0% carbon, 8.2% hydrogen, and the remainder oxygen. If 793mL of estrone is found to have a mass of 4.97g at 0.90atm and 200oC, find the molecular formula for estrone.
an ice cube contains 925 grams of water. If the initial temperature is at 15 degrees celcius, how many kilojoules of heat are needed to cool and freeze the water at 0 degrees celcius.
A sample of sodium reacts completely with 0.355 of chlorine, forming 585 of sodium chloride. What mass of sodium reacted?
What is the pressure of the water vapor at a temperature of 250.0 degreee Celcius.
The activation energy of a certain reaction is 50.0 . At 22 , the rate constant is . At what temperature in degrees Celsius
An aqueous copper(II) sulfate solution is electrolyzed for 3 hours with a 1.8 ampere current
Based on polarity, which compound do you expect to have a larger Rf value in a soluvent of medum polarity
In clavulanic acid there is a carbon-atom that that has an oxygen-atom, a nitrogen-atom, and a carbon atom attached to it
In an experiment using a temperature probe, is there a way to estimate the heat absorbed by the temperature probe? Explain how.
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