Given equation balanced equation type of reaction 1. fes + hcl → fecl2 + h2s a. fes + 2hci - feci2 + h2s b. 2. na + f2 → naf a. b. 3. hgo → hg + o2 a. b. answer questions 4 and 5 on a separate sheet of paper. 4. describe in words the reaction represented by the equation and include a description of the composition of each kind of molecule. 2 h2 + o2 → 2 h2o 5. use the law of conservation of mass to explain why the equation in question 4 is balanced. matching 6. chemical equation . 7. decomposition reaction 8. coefficient 9. product 10. reactant 11. synthesis reaction 12. replacement reaction 13. conservation of mass a. substance present after a reaction b. reaction in which substances combine to form a more complex compound c. principle that states that matter is not created or destroyed during a chemical reaction d. reaction in which one element replaces another in a compound 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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Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.
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Given equation balanced equation type of reaction 1. fes + hcl → fecl2 + h2s a. fes + 2hci - feci2 +...
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