{"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=IQoJb3JpZ2luX2VjEFAaCWV1LXdlc3QtMSJHMEUCIAbAMLgk2A8f1LON%2B5zkq45sM%2BvO%2B0n%2FamnrvD66J%2FNzAiEArkX1p4PzKmZQ6bjngWgyGFsSubWTNsaeHl6wOt%2BTj7cquQUIGRAFGgwyNzM1NzAxOTU0MzMiDL0xQxqmnnYBHRxt4SqWBbdfjy4Fa9Dp1hXXYdoS2RTHWQxiSU%2FVAAtce7vggXS0sfmY%2BQ34VpYzin%2FH3pDJvX7g8lGJceMwC6n0sLFk5e9rBDYeOb7HP4ad4lds3BJHPcYCTAzLEARSHuMw76cF87lUp13ips%2F6XagN85qKk5AuWvwAYl%2BRdRnAZOg0SUbgGmGj4QLwp0e%2FKGsdz0UniM24QqbsKoCZC8aUti4g%2Fe2h261kUOkv3dtNxLFn9nGaiQ6Xflbkkbi0kY2l7FicN3B8AOsOhBFBENJyknWVbTjez9dOclm4Knta5fIdEjUJL8wnUeHonmtjWx%2Fpg659UJXjqLoNQMMev7k%2FIVrDVfV8OaXhRjeNCxW3qxh67v8qWvfY2DFuxvHPmLbZC70I6E042p5Sg7FR86fXGnISsoWTtVU0koKXOSjp9yVtlP4qQSKBaM5lsMF%2BJHHnvpF3EdckTsLqgpaREELW4jrzx7y4cfDpL35awUEIc5X%2F6R1bRNT%2BkxKpVZDSe2eQP1opE7AvoCn3pJpnqVFCcDudpwxKOvCRPtKooXKlybIWU8m1wgK8nE6RWHOnCepN0bM2i0iSMhcMpxHDb4A%2BekEG%2FkcJ%2B8ccz%2BUauYqXmImdlXfTenYbg9Nfqe2m553RMt7eC7yiKHSiv%2BhaA8u%2F4Uf5Kk6MpjfwsPqbLN9%2Bq2yCI0KggxOFSaG51T7w6Aw6OKT9emq31cTX8Y5FvOAY9JMcrajyZzrne2mffITeS3UVh8oVg8bsaR8kRMsKki%2BRD6iub%2F3zTvxvj%2BUXJSEdiQy8%2B4DQ79jGYiZ%2FC17t%2FO8PKb7IW%2BEHHiqD893A6dH1jzX5OMfVddsHmb3utzJvUdQCGifs4SrB4%2F612d8x8hzn%2FpELQwLTjhktMKn9i9cGOrEBO5RwRDv9aO2N1j0KeiKdXr%2BjgGFtTySaGMmAQH7yXaUk%2BtHTQAGGts3Pw0PNLENZvfRrCEN2w0ANqa%2B8n5HrYwV2nthhY6YFZheQd1Ztvyu%2BQIXVmWQCs3bkZZAQ%2FkPE%2F2fF62ggonqrO9PtIpCM7SPOtyoRBhZHCYbkQZVAHjy5CY7GRzuY6tRC0JRIR3AhLrv6aC4P40PeIo1lEGMqsorYigmsftpQSmOGWwL2uCRU&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UQBKDGHSF%2F20261029%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20261029T084018Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=8954e75a1e0cf04e735d3db4cf3ede5a3f1ca2fac3be387dc7b4b03796f5f29e 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}]}}