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Answer this question on a new piece of paper: Title it: Practice Balancing Equations 1

Answer this question on a new piece of paper: Title it: Practice Balancing Equations 1 If hot dogs come in packages of 8, and hot dog buns come in packages of 12, at least how many packages of each would you have to buy to make sure that you wouldn’t have any wasted?.

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Answer this question on a new piece of paper: Title it: Practice Balancing Equations 1

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  1. Answer this question on a new piece of paper: Title it: Practice Balancing Equations 1 If hot dogs come in packages of 8, and hot dog buns come in packages of 12, at least how many packages of each would you have to buy to make sure that you wouldn’t have any wasted?

  2. Practice Balancing Equations • 1 & 2: answer the questions • Compare and contrast the function of a coefficient to a subscript • 2. What does it mean if an equation is truly un-balanceable? 3 & 4: write out the chemical reaction from the names • 3, Solid aluminum reacts with hydrochloric acid to makes aluminum chloride and hydrogen gas • 4. Carbon tetrahydride gas reacts with oxygen gas to make carbon dioxide and water vapor. 5 to 12: Balance When finished, try challenge problem 1. Solve all challenge problems and get 100% on the balancing equation portion of the test Challenge Problem 1: Na2B4O7 +CaF2 + SO3 BF3 + CaSO4 + Na2SO4

  3. When Finished Choose 5 problems and write out the equation using words Choose 5 problems and write the mole ratio 15. Li2O + H2O ---> LiOH 16. H3PO4 + HCl ---> PCl5 + H2O 17. CaC2 + H2O ---> C2H2 + Ca(OH)2 18. HCl + K2CO3 ---> KCl + H2O + CO2 19. Fe(OH)3 ---> Fe2O3 + H2O 20. Ca(ClO3)2 ---> CaCl2 + O2 21. Pb(NO3)2 ---> PbO + NO2 + O2 22. C2H5OH + O2 ---> CO + H2O 23. BaO + H2O ---> Ba(OH)2 24. Xe + F2 ---> XeF6 25. Ca + AlCl3 ---> CaCl2 + Al Challenge Problem 2 FeCr2O4 + Na2CO3 + O2 Na2CrO4 + Fe2O3 + CO2 Challenge Problem 3 (Cr(N2H4CO)6)4(Cr(CN)6)3 + KMnO4 + H2SO4  K2Cr2O7 + MnSO4 + CO2 + KNO3 + K2SO4 + H2O

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