Oxidation-Reduction Reactions Chemistry Worksheet Page 41
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Chapter Problems
97.
Titanium metal is used to make metal alloys for aircraft, missiles, and artificial
hip joints. It is formed in the reaction of titanium(IV) chloride with magnesium
metal. The other product is magnesium chloride. Write a balanced equation,
without including states, for this redox reaction.
98. Dichlorine monoxide, which is used to add chlorine atoms to other substances,
is made from mercury(II) oxide and chlorine. The products are dichlorine
monoxide and mercury. Write a balanced equation, without including states, for
this redox reaction.
99.
Write a balanced equation for the redox reaction of solid potassium with liquid
water to form aqueous potassium hydroxide and hydrogen gas.
100. Write a balanced equation for the redox reaction of aqueous chlorine with
aqueous potassium iodide to form aqueous potassium chloride and solid
iodine.
101.
Write a balanced equation for the redox reaction of calcium metal and bromine
liquid to form solid calcium bromide.
102. Write a balanced equation for the redox reaction of solid copper(II) sulfide
with oxygen gas to form solid copper(II) oxide and sulfur dioxide gas.
103.
Magnesium chloride is used to make disinfectants, fire extinguishers, paper,
and floor sweeping compounds. It is made from the reaction of hydrochloric
acid with solid magnesium hydroxide. Write a balanced equation for this
reaction, which yields aqueous magnesium chloride and liquid water.
104. Write a balanced equation for the redox reaction at room temperature of
chromium metal with hydrochloric acid to form aqueous chromium(III)
chloride and hydrogen gas.
Discussion Question
105. What makes one battery better than another? Find a reference book that
tells you about the properties of the elements. Why do you think lithium
batteries are superior to batteries that use lead? What other elements might be
considered for new batteries?
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