A rechargeable battery initially stores 3.6 kJ of chemical energy. Anna puts the battery in a flashlight, where 2.1 kJ of energy are transformed into light and heat. Then, Anna puts the battery in a charger, where 6.8 kJ of electrical energy are transformed into chemical energy. How much chemical energy is now stored in the battery?
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Chemistry, 21.06.2019 22:10
What does a particular point on a line of a phase diagram represent? o a. the maximum temperature a substance can exist at without bonds breaking b. the pressure created by the kinetic energy of molecules at a particular temperature c. the melting point or boiling point of a substance at a specific pressure d. the conditions in which temperature and pressure have equal effects on a substance
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Chemistry, 22.06.2019 06:00
Match the name of the following compound: mgso4 · h2omagnesium sulfate monohydratemagnesium (ii) sulfate monohydratemagnesium (ii) sulfate hydratemagnesium sulfate hydrate
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Chemistry, 23.06.2019 01:00
Which polymers are most closely related? a. protein and nucleic acids b. cellulose and starch c. nucleic acids and starch d. nucleic acids and cellulose
Answers: 2
A rechargeable battery initially stores 3.6 kJ of chemical energy. Anna puts the battery in a flashl...
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