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What is the percentage of copper (by mass) in copper(II) nitrate trihydrate? Cu(NO3)2 : 3H20
What exactly is the difference between Group 1 elements and Group 2 elements? Select the answers below, there may be more than 1 answer to this question.
After adding the two portions into the calorimeter setup and following the procedure outlined in the experiment, you determine the temperature of the mixed portions of water to be 45*C. what is the heat capacity of the calorimeter?
write the chem equation for the reaction which occurs when nickel metal is added to nitric acid.
A 2.721 gram sample containing an unknown amount of arsenic trichloride and the rest inerts was dissolved into a NaHCO3 and HCl aqueous solution.
I understand the rules for significant figures with multiplication/division, and adding/subtracting. But I am unsure of what to do when there is both multiplication and/or division, and adding and/or subtracting in the same question?
Which of the following equations represents the proper net ionic equation for the complete neutralization reaction between the weak acid HClO2 (aq) and the strong base KOH (aq)?
open system at equilibrium with normal atmospheric levels of carbon dioxide to show the approximate PH of pure rain water, assuming Pco2=10^-3.5 atm?
Consider the following system at 100°C: N2O4(g) ?2NO2(g) Kc = 0.36 Predict the direction in which the system will move to reach equilibrium if we start with 0.20 mole of N2O4
Draw a two-dimensional conformational energy landscape (free energy on y-axis, conformational coordinate on x-axis) to show how a protein may become kinetically (not thermodynamically) ‘trapped' in a misfolded conformation.
What would you expect the structure of the dinitro ester to be? Consider the directing effects of the ester and the first nitro group upon the addition
Determine the pH of a solution of 10-3 M sodium formate. Formate is a byproduct of microbial metabolism, and can also serve as an energy source for anaerobic bacteria
With a solution in them connected by a liquid salt bridge junction filled with KNO3. In one solution you have a graphite electrode that is connected with a wire to a copper electrode in the second soution. The soution in contact with the graphite ..
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