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Suppose 30.6g of copper(II) nitrate is dissolved in 300.mL of a 0.70M aqueous solution of sodium chromate. Calculate the final molarity of nitrate anion in the solution. You can assume the volume of the solution doesn't change when the copper(II) nitrate is dissolved in it.Round your answer to 3 significant digits.
Examining Halogen containing chemical fragments in ligand-protein interactions. The goal of my paper is to find preferable fragments containing halogen, F, Cl, Br, and I that interact with protein side chains in the protein binding sites.
The flask was then shaken until the solution was uniform. A 45.0 \rm mL sample of this glucose solution was diluted to 0.500 \rm L. How many grams of glucose are in 100. \rm mL of the final solution
A 44.2 L sample of a gaseous hydrocarbon, measured at 1.00 atm pressure and 25 C is burned in excess oxygen, liberating 2.55x10^3 kj of heat at constant pressure.
a piston-cylinder arrangement initially contains water at p 300 psia and t 500of. the piston is moved to a final
If 100. grams of liquid water at 100.0 C and 200. grams of water at 20.0 C are mixed in an insulated container, what will be the final temperature of the water? The specific heat of water is 4.18 J/g
If a 0.100 molar solution of NaOH is added to a solution containing 0.200 molar Ni2+, 0.200 molar Ce3+, and 0.200 molar Cu2+, which metal hydroxide will precipitate first?
What observed rotation is expected when a 1.18 M solution of (R)-2-butanol is mixed with an equal volume of a 0.590 M solution of racemic 2-butanol, and the resulting solution is analyzed in a sample container that is 1 dm long
An experiment shows that a 153-mL gas sample has a mass of 0.171 g at a pressure of 761 mm Hg and a temperature of 32oC. What is the molar mass of the gas? R=0.0821 L atm / mol K
Question- What is the molar mass of a nonelectrolyte if 6.02 grams dissolved in 30.0 grams of benzene freezes at -1.55 °C? The freezing point of pure benzene is 5.50 °C and the freezing point depression constant, Kfp, is -5.12 °C/m.
The good professor accidently grabs the Na2HPO4 bottle. What pH did professor Whoops expect the solution to be? what was the actual pH of the solution as made
The activation energy of a certain reaction is 46.7 kJ/mol. At 20 C, the rate constant is s^-1. At what temperature would this reaction go twice as fast
Close the simulation window for oxygen and return to the Cool Molecules Explore page. Next, click C and H in the periodic table and repeat the process for methane (CH4). In the table below, record the names of its vibration modes and describe the vi..
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