Chemistry, 15.07.2021 01:00 eddiewoods1935
What is a system called when neither energy nor matter is exchanged between the system and the surroundings?
Closed system
Free energy
Isolated system
Open system
Answers: 1
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Which step in naming unsaturated hydrocarbons is used for alkenes but not alkynes
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Achemistry student needs to standardize a fresh solution of sodium hydroxide. he carefully weighs out of oxalic acid , a diprotic acid that can be purchased inexpensively in high purity, and dissolves it in of distilled water. the student then titrates the oxalic acid solution with his sodium hydroxide solution. when the titration reaches the equivalence point, the student finds he has used of sodium hydroxide solution.calculate the molarity of the student's sodium hydroxide solution. be sure your answer has the correct number of significant digits.
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How many protons, electrons, and neutrons are in each of the following isotopes? a. zirconium-90 b. palladium-108 c. bromine-81 d. antimony-123
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How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?
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What is a system called when neither energy nor matter is exchanged between the system and the surro...
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