{"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 loading=\"lazy\" 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=IQoJb3JpZ2luX2VjEPb%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJGMEQCIDL42Aki4XdXUmY8bzAYDFMzY752X8Ps4DQdyxiw%2BqWSAiB3zkmGNODyZy942Ue%2Fx9FHRqBr0ylG7gHxx84jRqtSZyrCBQi%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F%2F8BEAUaDDI3MzU3MDE5NTQzMyIMAF8nXa6F%2Bgf5nMJJKpYFsqV4vp9x3DbCGyGW9P7gcKmEX5j5KTQJc3Wm4uf9s6MD8ivRNwQfqbnhuTwP80HOEoRXoURk9Dl20cUccVvrkYfBfJR78fS7%2B%2FRI4gxU6FWriLQpCt%2BYwR8NLFrDuvQVi6WVysZNEwdTDKv1bNPU577DhcwwCeWPYzA%2F9%2FWaNqoOIaolhpATP9bXo90PSnXrEuXTTutPsLtul8Su6BJVXmKSQhaR26dP6Gfqkzo%2FLQm2HpgvSfUwqPEMhY4CDA82xnNxN8cSQF%2FIuEWkqFDt8d2zgfL7guTHChRxYSDawwAzQ1v9ruymwq5EGx7zyq%2FWP4KJfsC8YVVbGtWaPXDQpmrE%2FTFfFWVTWSHMk4GyldWgR1e3rdWfG1xoN8cC%2BqEgJM44hrYUdehxuTbW8ecTY0LOR06kvzOSEyv%2BKcgZyrneNK%2BSLUV9brLEEQkASXnm%2BOomKpsW3msrL84POHMKJomCg3O%2BgTse0V8sSNG%2Bjno%2FFzdDXFHb2ozvHejCjt4EdZkFDeCy3cnnobVr8JK4ttb9BWJvaMH97NEHpk%2BQDkJ0X8oNn738FJ37XLryIW%2BgcDWys5CjKI80YJLBHVCcX%2BVYHA6Wl%2FlAgyN6NIFfUmoohXlN3465zuDb%2FCP44Xql0x0mNhOhkhbgpPItVHNBJe9zRYYEJBW7uTVPu1QtswbicM7rilhKe69QyiZ1EjV9oLIBOrHsymEsRUBcylSnvIpNTfc9K5c85gBcCjMuEPpMwVJ%2BcUAsNVgzF0N5KJ323RTtZO95LYmYxZ%2Bvc25Db%2FZUmEK%2F8xDvyLPTjipRRMrI1RDN9ELsHppIkXU%2Bz9eJ%2FCdkV%2FsDAfLMimu8eWd9SJsrpVQeLFoY1ungjRnouraKfrIk9YYw5bGs0AY6sgG%2FzA4%2FEiW1EsIz3%2FbsKgpdxdrdQipmABbOhm8Y%2Bf3T9WfD1qa3XB33TYd1DSJxysRnBW5VSXKqV0nZ0FNOP%2FM1RY02D596mg98lb4fwLIQtbXDMacukENCHIh%2FURwVJoZ0IH2tVb2bL7QnmInIM0ErVfPMmglp70as%2B9Ac8TJKx0xAMH6doBcicdZTJ32L3QDOVN2v3PBZ1l8UjJ0D5sa1MJgeq462uXYwth%2BapLTKlpWg&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47UUH6KYVIU%2F20260518%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260518T142934Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=e75c29f530bc0177e4bf25877b4e42d7b9ac92564d2335299a28e1cc510171b9 300w\" sizes=\"auto, (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 loading=\"lazy\" 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=\"auto, (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}]}}