Determine the molarity of silver ion in original solution
What is the molarity of silver ion in the original solution if 23.6 mL of silver nitrate solution reacts with excess the potassium chloride solution to yield 0.877 g of precipitate.
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Explain why we held our samples at room temperature for the duration of the experiment rather than at the body temperature.
Determine the electron configuration of the phosphide ion (P3-) is Determine the numbers of unpaired electrons are there in the Lewis structures of a N3- ion?
Calculate by what factor the rate of reaction will increase when the concentration of A is doubled and the concentration of B is also doubled? The reaction, A+2B--> products, was found to have the rate law, Rate = k[A][B]2
Determine the numbers of times greater is the rate constant for this reaction at 520 deg. C then at 500 deg. C? R=8.31 J/mol*K. The activation energy for the reaction 2HI---} H2 + I2 is184 kj/mol.
Discuss how long will it take for the reaction to be 90% complete? It takes 42 min. for the concentration of a reactant in a first-order reaction to drop from 0.45 M to 0.32 M at 25 degree C.
What is the vapor pressure of a solution if the vapor pressure of water at 90 degrees C is 0.692 atm, made by dissolving the 1.00 mole of urea in 1.00 kg of water?
Illustrate and label the structure for each of these enantiomers. Molecular stereo chemistry often influences what we smell. For example 4-(R)-limonene smells like turpentine, whereas 4-(S)-limonene, found in many plants and citrus fruits, smells
A flask was weighed and filled with NO2 gas to a fixed pressure and temperature. The mass of nitrogen dioxide in the flask was found to be 1.40 grams.
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