Biology

Biology, 22.07.2019 04:30, yeetmaster7688

Which best describes a chemical reaction applying the law of conservation of mass? answer an equation which uses energy hide an equation which does not use energy an unbalanced equation in which the reactants and products are unequal hide a balanced equation in which the reactants and products are equal

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Chemistry, 02.07.2019 10:30, TaraC

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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Biology, 22.07.2019 04:30, ashleyy80

Which best describes a chemical reaction applying the law of conservation of mass? choices a- an equation which uses energy b - an equation which does not use energy c - an unbalanced equation in which the reactants and products are unequal d - a balanced equation in which the reactants and products are equal

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Biology, 17.09.2019 21:00, july00

Chemical reactions can be represented symbolically using chemical equations. in a chemical equation, reactants appear to the left of the arrow, while products appear to the right. the law of conservation of mass states that matter is neither created nor destroyed in a chemical reaction; rather, the existing atoms are just rearranged. therefore, chemical equations must be balanced—that is, the same number of each kind of atom must be present before and after a chemical reaction. an unbalanced chemical equation is shown below. balance the equation according to the law of conservation of mass.

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Chemistry, 03.10.2019 10:30, Randy6922

2. here is a chemical equation: ch4 + o2 → co2 + h2o • balance this chemical equation. • state what type of chemical reaction this is. • what will accompany the products as a result of this reaction? • discuss how your balanced chemical equation agrees with the law of conservation of mass.

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