{"id":125,"date":"2014-10-19T08:37:20","date_gmt":"2014-10-19T08:37:20","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/?page_id=125"},"modified":"2021-02-20T13:00:42","modified_gmt":"2021-02-20T13:00:42","slug":"electricity-energy-exercise-12","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/electricity-energy-exercise-12\/","title":{"rendered":"Electricity &amp; Energy Exercise 12"},"content":{"rendered":"<p>1. In an experiment, the volume of a fixed mass of gas is decreased by trapping the gas at the top of a glass tube with a quantity of oil and then using a pump to push the oil up the tube.<br \/>\nThe pressure of the gas is measured with a Bourdon gauge and the volume of gas is measured using a calibrated scale next to the glass tube. The results are shown.<\/p>\n<p style=\"text-align: center\"><a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_12a.png\"><img decoding=\"async\" class=\"aligncenter size-full wp-image-111\" title=\"ElecEn 1_12a\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_12a.png\" alt=\"\" width=\"357\" height=\"323\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_12a.png 510w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_12a-300x271.png?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEJ%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJHMEUCIQDjEoRoOJLGYh5riu2OhDL8EEK5AALF9VcTkyeMeqaFvgIgYXxO37OVFK5UMmQCeYXuJoSqlhdAbBVQec%2B5CsGSrp0quAUIaBAFGgwyNzM1NzAxOTU0MzMiDFoS7Skl8QikooKx%2BCqVBUnOujhT8eOFFZSFMpcLgixHV59VqHgAt43YfBXeS730M8YlAAqkz9dUBbba7OFDMoWP53zCBd7KFSyFB4Y%2FU7zQbwrkCsdeWFbXlM6ZgG7ZTmtEyEN9Y3Y3RpuWEcb1XhmV%2BbzG3Z%2BoZtMTiStHvYWfiuQGV5QCY8IZrEalS7zgozaltYEq4vYZRWuO%2FQJbfLLNvHj7dxyrqA3Lp33EuV8KazRbCewTkw4%2BwT0W%2F7WXj3TUf7z6OFobOnaySY5cMw4ccyo9qUd99lGL%2BAESkT0DxCBe%2B38KLlgdwXhdQi6iASPCEaQH%2BVrStGDC0eYN1PfnWgdeZvJImI%2FEhzuen4MD5BrGHGClGiR4gcG0xvGwbs%2F8YmYJmHe5YnLjajpK2suw67EFo2MG7Uw2ywmOrjPmW4UuDI1oEcNetEXTwpU9UmJVxCznMQa63BzqNZbqUKXjXZn8g0jvtUTImapmKGuzwGXGo1JFkqAoVM%2FnGns9Ue7IulL9AQX41WbEqcDYcu1bTR3pi9wX42eBSXGWbDT3K3TL5GAeHBanGJik6cag6EVpRvJGfrerCPSb9Hp9Nf8GW1IXaFCEewi5x0ZLgbF%2B4hoJxYFcFGUn1KSeL0VFv74S4BNB41ejP1%2F0ayqbqojiayPSGtATUSDYismaw%2BfvwwnVbcaWqUC8WHItExXS4l7w%2FaZhj0Sc8RKbYqHatM8MdEP1tx%2B%2BUr7mLE4bwzJR73DbzQPp94qcVxTq5QcYjvp3u8JcCh%2FhvplzAnk73zsku%2FM%2Bp60pErx3hQPUiJBi7P5%2Bdl%2FOpwRP%2F9mPEGQ6meugGCXBbeEYLAVKQvBuNK8p0x%2B96i%2FY8OLAijdWPUdUPeWaVxfQ%2Fp%2BAbgzdVwbb6CLSYh0wupzb0wY6sQEPEveb%2BhjOwfCfYt3R4vgfetYXJa1SMo4u919nnvyjX%2Fb8agLFTDoErKoW0ff5%2Fhd15sn%2BhzGOdEhl89yHRl0kgDC3x3gUVRAxEgGQyBCOApD3K8%2FCLBhTvA3lwso9We2K4uJ8PNoA4%2FYVWEcu4cQGj0VU2fhPnws%2F9UUfSEldx3rFAYHJipjj7h9zepw04G2PgWmi1qhYFtrv6L15aC3q6lkeG%2Butqkhko8yjnZAyq3U%3D&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47U7JKNBFTI%2F20260808%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260808T064052Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=533b066f19da0065ea1e3bfc49e089d229af0da7378658fa07bc5d8fe87b0720 300w\" sizes=\"(max-width: 357px) 100vw, 357px\" \/><\/a><\/p>\n<p>(a) Draw a rough graph (no values needed) of volume against 1 \/ pressure.<\/p>\n<p>(b) What does this graph tell you about the relationship between the volume and pressure of a fixed mass of gas?<\/p>\n<p>(c) Explain this relationship in terms of the kinetic theory of particles.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>2. Explain, using the appropriate gas law, why a balloon will burst if you squeeze it.<\/p>\n<p>3. A 5 cm<sup>3<\/sup> syringe is filled with air and the pressure of the air is found to be 1.01 x 10<sup>5<\/sup> Pa. The syringe plunger is then pushed until there is 3 cm<sup>3<\/sup> of air. What is the new air pressure?<\/p>\n<p>4. A scuba diving air tank has a volume of 7.5 litres and is filled with air at a pressure of 1.21 x 10<sup>7<\/sup> Pa. <a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_12b.png\"><img decoding=\"async\" class=\"alignleft size-medium wp-image-112\" title=\"ElecEn 1_12b\" 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801w, https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecphysu2hwrk\/uploads\/sites\/5086\/2014\/10\/ElecEn-1_12b.png 1569w\" sizes=\"(max-width: 50px) 100vw, 50px\" \/><\/a>What volume of air will be released by the tank at atmospheric pressure (1.01 x 10<sup>5<\/sup> Pa)?<\/p>\n","protected":false},"excerpt":{"rendered":"<p>1. In an experiment, the volume of a fixed mass of gas is decreased by trapping the gas at the top of a glass tube with a quantity of oil and then using a pump to push the oil up the tube. The pressure of the gas is measured with a Bourdon gauge and the &hellip; <a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/electricity-energy-exercise-12\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Electricity &amp; Energy Exercise 12<\/span> <span class=\"meta-nav\">&rarr;<\/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-125","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/wp-json\/wp\/v2\/pages\/125","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/wp-json\/wp\/v2\/users\/2454"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/wp-json\/wp\/v2\/comments?post=125"}],"version-history":[{"count":8,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/wp-json\/wp\/v2\/pages\/125\/revisions"}],"predecessor-version":[{"id":221,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/wp-json\/wp\/v2\/pages\/125\/revisions\/221"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecphysu2hwrk\/wp-json\/wp\/v2\/media?parent=125"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}