Chemistry

Chemistry, 30.08.2019 19:00, favre22fs

Is the starting substance in a chemical reaction

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Biology, 23.06.2019 23:00, ripbobbyjackson6701

Match each vocabulary word with the correct definition. 1. substance composed of two or more different types of atoms compound 2. smallest particle of matter still retaining the same chemical and physical properties element 3. substance that is made from only one type of atom atom 4. a chemical compound which contains carbon solute 5. charged atom or particle ion 6. substance in a solution that is dissolved organic 7. substance in a solution that does the dissolving reactant 8. a starting substance in a chemical reaction solvent

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Chemistry, 22.07.2019 11:00, memeitupkevin

Physical science worksheet matching match each item with the correct term below. a. activation energy f. inhibitor b. catalyst g. product c. chemical reaction h. rate of reaction d. endothermic reaction a. reactant in. exothermic reaction 1. process that produces chemical change 2. substance that slows down a chemical reaction 3. reaction in which heat energy is absorbed 4. substance that exists before a chemical reaction begins 5. minimum amount of energy needed in order for a reaction to begin 6. substance formed by a chemical reaction 7. substance that speeds up a chemical reaction 8. reaction in which heat energy is released

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Chemistry, 27.07.2019 22:00, saltytaetae

What is chemical equation a.substance present after a reaction b.reaction in which substances combine to form a more complex compoud c.principle that states that matter if not created of destroyed during a chemical rection d. reaction in which one element replaces another in a compoud e.substance present before a reaction f.number telling how many molecules of a substance are involved in a chemical reaction g.reaction in which compounds are broken down into simpler substances h.uses symbols and formulas to show chemical reactions.

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Chemistry, 03.08.2019 23:40, ester32152

Chemical a and chemical b react in an exothermic reaction. what can be known about what will happen when chemical a and chemical b are mixed together? a.the new substance will need more energy to form its chemical bonds than the old substance will release. b.more energy will be released from the old substance than the new substance will need to form its chemical bonds. c.the color will change as a result of the reaction. d.the substance will bubble as a result of the reaction.

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