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Chemistry, 21.06.2019 19:00
In any energy conversion, some of the energy is lost to the environment as question 5 options: electrical energy potential energy sound energy thermal energy
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Chemistry, 21.06.2019 20:00
Smog is the term used to describe the combination of fog and smoke
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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 09:00
Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?
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An atom that has lost or gained electrons is known as an ion. which compound below is made up of ion...
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