This chemistry question involves key chemical concepts and calculations. The detailed solution below walks through each step, from identifying the reaction type to computing the final answer.
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Here is the information from the image: Chemical Reactions and Notes: The following are examples of halogenation reactions, which are a type of substitution reaction that alkanes undergo. CH_2Cl_2 + Cl_2 CHCl_3 + HCl CHCl_3 + Cl_2 CCl_4 + HCl The first reaction requires ultraviolet light* (U.V. light). Substitution* is the major reaction alkanes undergo. Uses of Alkanes and their Derivatives: 1. Methane is mainly used as fuel, either by itself or mixed with other gases. 2. Trichloromethane (chloroform) is used in surgical operations as an anaesthetic. 3. Liquified petroleum gas (LPG) used in domestic cooking is also composed of alkanes. 4. Tetrachloromethane is used as an important solvent. 3 done, 2 left today. You're making progress.