{"id":13,"date":"2014-09-23T18:41:57","date_gmt":"2014-09-23T18:41:57","guid":{"rendered":"http:\/\/bhswinklerchem.wordpress.com\/?p=13"},"modified":"2014-09-23T18:41:57","modified_gmt":"2014-09-23T18:41:57","slug":"achem-chapter-1-2-formative-assessment-answers","status":"publish","type":"post","link":"https:\/\/staff.berlinschools.org\/winklerchem\/2014\/09\/23\/achem-chapter-1-2-formative-assessment-answers\/","title":{"rendered":"AChem Chapter 1-2 Formative Assessment Answers"},"content":{"rendered":"<p>1. Measurement<\/p>\n<ul>\n<li>0.185m<\/li>\n<li>0.240m<\/li>\n<li>0.300m<\/li>\n<\/ul>\n<p>2. Metric Prefixes<\/p>\n<ul>\n<li>mega: M, meaning: E9<\/li>\n<li>nano: n, meaning: E-9<\/li>\n<li>pico: p, meaning: E-12<\/li>\n<li>milli: m, meaning: E-3<\/li>\n<li>centi: c, meaning: E-2<\/li>\n<\/ul>\n<p>3. Conversions<\/p>\n<ul>\n<li>5.467E-5hm<\/li>\n<li>3.77E8mg<\/li>\n<li>7.45E6cL<\/li>\n<li>1.253763E-9km<\/li>\n<\/ul>\n<p>4. Sci. Notation<\/p>\n<ul>\n<li>6.82410230E-1<\/li>\n<li>1.26537872E7<\/li>\n<li>3.32E3<\/li>\n<li>3.4E-6<\/li>\n<\/ul>\n<p>5. Math with Sci. Notation<\/p>\n<ul>\n<li>6.06E23<\/li>\n<li>2.53E1<\/li>\n<\/ul>\n<p>6. Counting Significant Digits<\/p>\n<ul>\n<li>8.3007 g&#8211;&gt; 5SF<\/li>\n<li>9.0000 mL &#8211;&gt; 5SF<\/li>\n<li>0.0000001s &#8211;&gt; 1SF<\/li>\n<li>572 pencils &#8211;&gt; 3<\/li>\n<\/ul>\n<p>7. Math with Significant Digits<\/p>\n<ul>\n<li>100 (ones place)<\/li>\n<li>8.0E2 (2SF)<\/li>\n<\/ul>\n<p>8. observation (5 senses) &#8211;&gt; problem statement (form of question) &#8211;&gt; write hypothesis (if, then, b\/c) &#8211;&gt; design experiment (IV, DV, constants, control) &#8211;&gt; Perform experiment\/Collect Data &#8211;&gt; Analyze data (graphs) &#8211;&gt; Draw conclusions (refer back to hypothesis, use data to support\/reject, analyze reliability and validity of data)<\/p>\n<p>9.<\/p>\n<ul>\n<li>no, yes<\/li>\n<li>yes, yes<\/li>\n<li>no, no<\/li>\n<\/ul>\n<p>9.<\/p>\n<ul>\n<li>Group 1- accurate (b\/c&#8230;.compare actual values to standard)<\/li>\n<li>Group 2- precise (b\/c&#8230;compare actual values to each other&#8230;find biggest difference)<\/li>\n<\/ul>\n<p>10.<\/p>\n<ul>\n<li>Given: 6.28 moles<\/li>\n<li>Find: atoms<\/li>\n<li>Conversion Factor: 1mol\/6.022E23atoms<\/li>\n<li>Answer: 3.78E24atoms<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>1. Measurement 0.185m 0.240m 0.300m 2. Metric Prefixes mega: M, meaning: E9 nano: n, meaning: E-9 pico: p, meaning: E-12 milli: m, meaning: E-3 centi: c, meaning: E-2 3. Conversions 5.467E-5hm 3.77E8mg 7.45E6cL 1.253763E-9km 4. Sci. Notation 6.82410230E-1 1.26537872E7 3.32E3 3.4E-6 5. Math with Sci. Notation 6.06E23 2.53E1 6. Counting Significant Digits 8.3007 g&#8211;&gt; 5SF &hellip; <a href=\"https:\/\/staff.berlinschools.org\/winklerchem\/2014\/09\/23\/achem-chapter-1-2-formative-assessment-answers\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">AChem Chapter 1-2 Formative Assessment Answers<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":252,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-13","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\/13","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=13"}],"version-history":[{"count":0,"href":"https:\/\/staff.berlinschools.org\/winklerchem\/wp-json\/wp\/v2\/posts\/13\/revisions"}],"wp:attachment":[{"href":"https:\/\/staff.berlinschools.org\/winklerchem\/wp-json\/wp\/v2\/media?parent=13"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/staff.berlinschools.org\/winklerchem\/wp-json\/wp\/v2\/categories?post=13"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/staff.berlinschools.org\/winklerchem\/wp-json\/wp\/v2\/tags?post=13"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}