Reactions and Equations #1

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e. H2(g) + O2(g) ----> f. Zn(s) + AgNO3(aq) ----> g. C5H10(s) + O2(g) ----> h. LiOH(aq) + H2SO4(aq) ----> i. NH4Br(s) + NaOH(aq) ----> j. MgCO3(s) + H2SO4(aq) ----> 4. Write the two half-cell reactions that take place when zinc metal is placed into a solution of silver nitrate, and label them appropriately as "reduction" or "oxidation". 8
Equations and Reactions Review 1. Balance these reactions. a. MgCO3(s) ----> MgO(s) + CO2(g) b. Fe2O3(s) + C(s) ----> Fe(s) + CO(g) c. BaCl2(aq) + NaOH(aq) ----> Ba(OH)2(s) + NaCl(aq) 2. Predict the products and balance the reactions. In the margin, give reaction type. a. ZnSO4(aq) + Mg(s) ----> ___________(s) + __________(aq) b. MgO(s) + HCl(aq) ----> __________(aq) + __________(l) c. Ca(s) + HNO3(aq) ----> __________(aq) + __________(g) d. Na2CO3(s) -----> e. C(s) + O2(g) ----> f. Zn(s) + AgNO3(aq) ----> g. K(s) + O2(g) ----> h. NaOH(aq) + H3PO4(aq) ----> i. NH4Cl(s) + KOH(aq) ----> j. (NH4)2CO3(s) + H2SO4(aq) ----> 3. Write a balanced equation for the following descriptions of reactions. a. Sodium metal burns with a bright yellow flame, producing solid sodium oxide. b. When potassium chlorate is heated in a test tube, it gives off a gas that is capable of relighting a glowing splint, and a white crystalline salt is left behind in the test tube. c. Nitrogen gas and hydrogen gas react at high pressure and temperature, producing ammonia gas. This is called the "Haber process". d. “Hexane” is a common non-polar solvent used in organic chemistry labs. When it burns, carbon dioxide and water vapor are the only products. 9
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Reactions and Equations #1

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