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Assuming no heat loss by the system, what will be the final temperature when 84 g of water at 10.0oC are mixed with 67 g of water at 50.0oC
Calculate the pH at the points in the titration of 40.00 mL of 0.425 M NH3 for the reaction below. NH3(aq) + HNO3 ? NH4+(aq) + NO3?(aq) For NH3, Kb = 1.8x10-5.
determine the pH at the equivalence point in the titration of 28.5 mL of 0.694 M pyridine, C6H5N, by 0.770 M HNO3.
It is known that N2O is a linear molecule, but assume it is not known whether the structure is N-N-O or N-O-N. Use the IR data to decide between the two structures. What Vibrations can be assigned to the strong absorbtion bands? What are the possi..
Based on the data for step 2 of the experiment, predict what would happen if you performed step 3 of the experiment (how many sets of three drops of each of the HCl and NaOH would be needed until the buffering capacity is lost for the two solution..
At what ph would you carry out an electrophoresis experiement if you wanted to seperate a mixture of lysine
octane has a density of 0.692gml at 20 c. how many grams of o2 are required to burn 1.00 gal of
One method of estimating the temperature of the center of the sun is based on the assumption that the center consists of gases that have an average molar mass of 2.00 g/mol.
The vapor pressure of water is 28.3 torr at 29°C then determine what is the partial pressure of oxygen collected if a reaction at that temperature produces Carbon Dioxide which is collected over water at a total pressure of 576 torr, ?
Nicotine has an empirical formula of C5H7N and a molecular mass of 162.23. What is the molecular formula for nicotine?
Use the activity series to determine if a single replacement reaction can be seen to occur. If a reaction occurs, write the net ionic equation. a) Cobalt metal in a barium iodide solution b) Tin metal in a copper bromide solution
A 75.0-mL volume of 0.200 NH3 is titrated with 0.500 M HNO3 . Calculate the pH after the addition of 19.0 mL of HNO3
You mix 55 mL of 1.00M silver nitrate with 25 mL of 0.81 M sodium chloride. What mass of silver chloride should you form?
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