{"id":1112,"date":"2014-12-03T19:47:52","date_gmt":"2014-12-03T19:47:52","guid":{"rendered":"http:\/\/staff.berlinschools.org\/winklerchem\/?p=1112"},"modified":"2014-12-04T12:45:08","modified_gmt":"2014-12-04T12:45:08","slug":"achem-bohrplanck-ws-extra-practice-calculations","status":"publish","type":"post","link":"https:\/\/staff.berlinschools.org\/winklerchem\/2014\/12\/03\/achem-bohrplanck-ws-extra-practice-calculations\/","title":{"rendered":"AChem Bohr\/Planck WS- extra practice calculations"},"content":{"rendered":"<ul>\n<li>Find the energy in a quantum of light that has a frequency of 1.7E14Hz\n<ul>\n<li>Energy= 1.1E-19J<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>Find the wavelength of a photon of light with energy 2.04eV in meters (1eV= 1.6E-19J)\n<ul>\n<li>HINT: must convert eV (USING DIMENSIONAL ANALYSIS) &#8211;&gt; Joules, than can solve use E=hc\/w<\/li>\n<li>Wavelength= 6.10E-7m<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>An electron in n=1 in an atom of hydrogen jumps to the n=3 state. What energy in eV is needed to make the transition? ADDED: calculation wavelength and frequency\n<ul>\n<li>Change in E= 1.93E-18J, &#8211;&gt; convert using DIMENSIONAL ANALYSIS &#8211;&gt; eV= 12.1eV;<\/li>\n<li>Wavelength = 1.03E-7m<\/li>\n<li>Frequency= 2.91E15Hz<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<ul>\n<li>An electron in an excited hydrogen atom falls from n=5 to n=4. Find the wavelength in meters and frequency of the light produced.\n<ul>\n<li>HINT: Must calculate E first (E=4.88E-20J), then plug into E=hc\/w<\/li>\n<li>Wavelength = 4.07E-6m<\/li>\n<li>Frequency = 7.37E13Hz<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Find the energy in a quantum of light that has a frequency of 1.7E14Hz Energy= 1.1E-19J Find the wavelength of a photon of light with energy 2.04eV in meters (1eV= 1.6E-19J) HINT: must convert eV (USING DIMENSIONAL ANALYSIS) &#8211;&gt; Joules, than can solve use E=hc\/w Wavelength= 6.10E-7m An electron in n=1 in an atom of &hellip; <a href=\"https:\/\/staff.berlinschools.org\/winklerchem\/2014\/12\/03\/achem-bohrplanck-ws-extra-practice-calculations\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">AChem Bohr\/Planck WS- extra practice calculations<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":252,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-1112","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/staff.berlinschools.org\/winklerchem\/wp-json\/wp\/v2\/posts\/1112","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/staff.berlinschools.org\/winklerchem\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/staff.berlinschools.org\/winklerchem\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/staff.berlinschools.org\/winklerchem\/wp-json\/wp\/v2\/users\/252"}],"replies":[{"embeddable":true,"href":"https:\/\/staff.berlinschools.org\/winklerchem\/wp-json\/wp\/v2\/comments?post=1112"}],"version-history":[{"count":2,"href":"https:\/\/staff.berlinschools.org\/winklerchem\/wp-json\/wp\/v2\/posts\/1112\/revisions"}],"predecessor-version":[{"id":1132,"href":"https:\/\/staff.berlinschools.org\/winklerchem\/wp-json\/wp\/v2\/posts\/1112\/revisions\/1132"}],"wp:attachment":[{"href":"https:\/\/staff.berlinschools.org\/winklerchem\/wp-json\/wp\/v2\/media?parent=1112"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/staff.berlinschools.org\/winklerchem\/wp-json\/wp\/v2\/categories?post=1112"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/staff.berlinschools.org\/winklerchem\/wp-json\/wp\/v2\/tags?post=1112"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}