Chemistry, 01.12.2020 15:30 markayla61
A sample of silver as it occurs in nature is 52.0% of Ag-107 and 48.0% of Ag-109. What is the average atomic mass of silver? (Compare your result with the value given in the periodic table).
Answers: 2
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Enough of a monoprotic weak acid is dissolved in water to produce a 0.0172 m solution. if the ph of the resulting solution is 2.39 at 20 °c, determine the pka for the acid.
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Chemistry, 21.06.2019 20:30
An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?
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Chemistry, 22.06.2019 07:00
How far is the region from the equator or control climate
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Chemistry, 22.06.2019 09:30
Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump
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A sample of silver as it occurs in nature is 52.0% of Ag-107 and 48.0% of Ag-109. What is the averag...
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