Balance each of the following chemical reactions. 1.Na + Cl 2 → NaCl 2.KClO 3 → KCl + O 2 3.NaOH + H 2 SO 4 → H 2 O + Na 2 SO 4 4.__Pb(SO.

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Presentation transcript:

Balance each of the following chemical reactions. 1.__Na + __ Cl 2 → __ NaCl 2.__KClO 3 → __KCl + __O 2 3.__NaOH + __H 2 SO 4 → __H 2 O + __Na 2 SO 4 4.__Pb(SO 4 ) 2 + __LiNO 3 → __Pb(NO 3 ) 4 + __Li 2 SO 4 5.__NH 3 + __O 2 → __N 2 + __H 2 O 6.__HCl + __NaOH → __NaCl + __H 2 O 7.__CuO + __NH 3 → __Cu + __H 2 O + __N 2

Balance each of the following chemical reactions. 1.2Na + Cl 2 → 2NaCl 2.2KClO 3 → 2KCl + 3O 2 3.2NaOH + __H 2 SO 4 → 2H 2 O + __Na 2 SO 4 4.Pb(SO 4 ) 2 + 4LiNO 3 → Pb(NO 3 ) 4 + 2Li 2 SO 4 5.4NH 3 + 3O 2 → 2N 2 + 6H 2 O 6.HCl + NaOH → NaCl + H 2 O 7.3CuO + 2NH 3 → 3Cu + 3H 2 O + N 2

Provide the type of reaction, whether or not the reaction will occur, and write a complete balanced equation. ReactionsType of Reaction Solid magnesium + oxygen gas Aqueous potassium chloride reacts with solid manganese. Copper II sulfate solution reacts with chromium III carbonate solution Sodium chloride decomposes into sodium and chlorine CH 4 burns in oxygen gas.

Provide the type of reaction, whether or not the reaction will occur, and write a complete balanced equation. ReactionsType of Reaction Solid magnesium + oxygen gas 2Mg (s) + O 2 (g) → 2MgO Synthesis Aqueous potassium chloride reacts with solid manganese. KCl (aq) + Mn → NO REACTION Single replacement Copper II sulfate solution reacts with chromium III carbonate solution CuSO 4 (aq) + Cr 2 (CO 3 ) 3 (aq) → CuCO 3 (s) + Cr 2 (SO 4 ) 3 (aq) Double replacement Sodium chloride decomposes into sodium and chlorine NaCl → Na + Cl 2 Decompostion CH 4 burns in oxygen gas. CH 4 (g) + 2O 2 (g) → CO 2 (g) + 2H 2 O (g) Combustion

Tasks on your exam Balancing equations Classifying types of reactions Writing out a chemical reaction from a written description Determining whether a precipitate will form when 2 ionic compounds react; writing out the formula of the precipitate that forms Determining whether a single replacement reaction will occur, writing out a chemical equation if it does Something related to the law of conservation of mass DUE TOMORROW: Quiz corrections, purple hw sheet, review guide