{"id":55,"date":"2014-10-21T07:43:11","date_gmt":"2014-10-21T07:43:11","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsechchemu2hwrk\/skin-care-and-free-radical-reactions\/"},"modified":"2016-01-08T09:06:40","modified_gmt":"2016-01-08T09:06:40","slug":"skin-care-and-free-radical-reactions","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsechchemu2hwrk\/skin-care-and-free-radical-reactions\/","title":{"rendered":"Exercise 8: Skin Care and Free Radical Reactions"},"content":{"rendered":"

\"Picture1\"<\/a><\/p>\n

 <\/p>\n\n\n\n\n\n\n\n\n\n\n\n\n\n
1. What are the three steps for the reaction between alkanes and halogens?<\/td>\n<\/tr>\n
<\/td>\n<\/tr>\n
2. Write out each of the three steps for the reaction between chlorine gas and ethane under the action of UV light.<\/td>\n<\/tr>\n
3. What is meant by a free-radical scavenger?<\/td>\n<\/tr>\n
4. Suncreams contain antioxidants.<\/td>\n<\/tr>\n
a) The antioxidant, compound A, can prevent damage to skin by reacting with free radicals such as NO2\u2022.\"\"<\/a><\/td>\n<\/tr>\n
Why can compound A be described as a free radical scavenger in the reaction shown above?<\/td>\n<\/tr>\n
b) Another antioxidant used in skin care products is vitamin C, C6<\/sub>H8<\/sub>O6<\/sub>.
\n\"\"<\/a>
\nCopy and complete the ion-electron equation for the oxidation of vitamin C.<\/td>\n<\/tr>\n
5. Fluorine reacts with methane via a free radical chain reaction.
\nSome steps in the chain reaction are shown in the table below.<\/td>\n<\/tr>\n
\"\"<\/a><\/td>\n<\/tr>\n
Copy and complete the table by:
\na) inserting the missing name for the first step;
\nb) showing another possible termination reaction in the final row of the
\ntable.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

  1. What are the three steps for the reaction between alkanes and halogens? 2. Write out each of the three steps for the reaction between chlorine gas and ethane under the action of UV light. 3. What is meant by a free-radical scavenger? 4. Suncreams contain antioxidants. a) The antioxidant, compound A, can prevent … Continue reading “Exercise 8: Skin Care and Free Radical Reactions”<\/span><\/a><\/p>\n","protected":false},"author":2454,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"open","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-55","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsechchemu2hwrk\/wp-json\/wp\/v2\/pages\/55","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsechchemu2hwrk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsechchemu2hwrk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsechchemu2hwrk\/wp-json\/wp\/v2\/users\/2454"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsechchemu2hwrk\/wp-json\/wp\/v2\/comments?post=55"}],"version-history":[{"count":10,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsechchemu2hwrk\/wp-json\/wp\/v2\/pages\/55\/revisions"}],"predecessor-version":[{"id":510,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsechchemu2hwrk\/wp-json\/wp\/v2\/pages\/55\/revisions\/510"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsechchemu2hwrk\/wp-json\/wp\/v2\/media?parent=55"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}