Experiment 4 - Prelab Exercise

Experiment 4 - Prelab Exercise - product of these reactions...

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Chem 120, Autumn Quarter 2011 Page 1 of 2 Name : Quiz Section No. : EXPERIMENT 4 – CLASSES OF CHEMICAL REACTIONS PRE-LAB EXERCISE 1. Write the balanced chemical equation for each of the following. Include phase labels on all species. a. Solid iron(III) oxide is formed from its elements at room temperature. b. Solid iron(III) oxide reacts with carbon graphite to form solid iron metal and gaseous carbon monoxide. c. Solid copper(II) chloride and liquid water form when solid copper(II) oxide is dissolved in liquid hydrogen chloride. d. When reacted with elemental chlorine at room temperature, liquid phosphorus trichloride is converted to solid phosphorus pentachloride. Make sure to report ALL numbers with correct units and the proper number of significant figures indicated.
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Chem 120, Autumn Quarter 2011 Page 2 of 2 Name : Quiz Section No. : 2. In the following, only one of two total products is named. Determine the other
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Unformatted text preview: product of these reactions and write the balanced chemical equation. Include phases. a. Solid magnesium reacts with aqueous lead(II) bromide to form solid lead metal and an aqueous substance. b. When aqueous solutions of potassium bromide and sulfuric acid (H 2 SO 4 ) are combined, aqueous hydrogen bromide and another aqueous substance are formed. 3. By referring to the table below of the activity series of common metals, indicate whether each one of the following metals will be able to displace the H atom from HCl ( aq ) as H 2 gas. Pt yes no Pb yes no K yes no Au yes no Symbol Sample Activity K Potassium Most Active Na Sodium Ca Calcium Mg Magnesium Al Aluminum Zn Zinc Fe Iron Pb Lead H 2 Hydrogen Cu Copper Hg Mercury Ag Silver Pt Platinum Au Gold Least active...
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Experiment 4 - Prelab Exercise - product of these reactions...

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