{"id":1228,"date":"2015-12-12T18:33:35","date_gmt":"2015-12-12T18:33:35","guid":{"rendered":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecchemu1hwrk\/?page_id=1228"},"modified":"2015-12-12T18:36:41","modified_gmt":"2015-12-12T18:36:41","slug":"help-card-exercise-n5-1_2a-reactions-compounds","status":"publish","type":"page","link":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecchemu1hwrk\/help-card-exercise-n5-1_2a-reactions-compounds\/","title":{"rendered":"Help Card:  Exercise N5 1_2A Reactions &amp; Compounds"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td>In this question it is important to examine the elements in the products. Only those elements in the product could have been present in the reactants.<\/p>\n<p>However, air also contains elements and burning a substance involves forming a compound with one of those elements.<\/p>\n<p>Consequently, we cannot be certain if our compound contained this element or the products were formed in the reaction between this element and our compound.<\/td>\n<td>\n<a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecchemu1hwrk\/uploads\/sites\/5077\/2015\/12\/Picture79.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-897\" src=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecchemu1hwrk\/uploads\/sites\/5077\/2015\/12\/Picture79.jpg\" alt=\"Picture7\" width=\"280\" height=\"171\" srcset=\"https:\/\/blogs.glowscotland.org.uk\/gc\/public\/hyndsecchemu1hwrk\/uploads\/sites\/5077\/2015\/12\/Picture79.jpg 875w, https:\/\/glow-prod-gc.s3.eu-west-1.amazonaws.com\/gc\/public\/hyndsecchemu1hwrk\/uploads\/sites\/5077\/2015\/12\/Picture79-300x183.jpg?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&amp;X-Amz-Security-Token=IQoJb3JpZ2luX2VjEMf%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCWV1LXdlc3QtMSJIMEYCIQCwJOmpG1QIrT8G4V5NjIZUOszKPrbrCcxn5TxBw1ZogwIhAPHE4Pxr7fYRTpYjxK%2FdQXkP%2F8DqcQut2rCWn%2BRNZ7k0KsIFCJD%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEQBRoMMjczNTcwMTk1NDMzIgwqHf1zsBVrxP9Ks8wqlgX5T57ucfZ46hQAnwT2B98U9rpv0eZy0tQeLCMYCVd8sSOYOJl2fzAatoRPPDBlXMFry%2BTgHxPqJI%2FUXWfSGHH6%2F%2BGN1kKfGgxr5TJRHDKVMJ9rCzj8c9BOsv8JP4XUuYquqLHVXBqfecvr%2BwOBfp2pS4wtfBaQtr4Xk17%2BPOtG0pLH%2FlofLVen3BOO1Wjhl78stGl0eeuYkWfpBSt6GkvwzdMBVceFFCfULoKEMLhmZjvGk9S1%2FakFgslDub%2BzvUvn1vmJxJs9YpFZ1ZitnhM7pSZu479sdHBfSMd%2B7pff5UeXQ5mfdZSmsR6HGFaOWnLk61946HEQW2s%2FO8Rterh6Fv%2BGRTDbekW4bGUtPJye6ADxW8f%2FVAH8k9tUToqbjKu5%2FUbxeHqqx7WPgh8xNZ4Dccue%2BriJFXJHJ6cjg%2Bmv2Pw7J1%2FnCUe4dtmL%2BUSQJs%2FydM5E5OyQh4uX4rE36Po11ohthN3mGbUT3kVEoenOJjkrSlqL4aIZ5%2B4SqRxtaI7%2BEUmnHeTRpQ09Cz6pydDuzI7R7KihipUk3G8CYEw3TSq%2BeuTfkQgdjp%2BHOfWwEh2zrYGaYjnupjWBRUJAWbQ8UXae%2FBmOGDku4h11jrn%2F3drSuZYFjrEsocTM9Z7hJ%2BIqPMqo8B%2B%2BC6svwKOjpYpqzWeDrIHGIserCInx0f1VWUb1jrk1xNFfqKEGHljXnjWLQ69mWikfShZjLyhOGvt7Voxg0D9oKx5OWYNANELxbmtjA3gcxnQTVCtkwZ9vUoVj%2FWxZny8jDbdU%2Fg363B9X5Cp9%2BA8o9q5ABlPFh9B9IFh1Luwdo3%2BD7pIA5d27r59RCd8aHqPd%2BDJTldGqe23PeZvJpYWxkr%2B%2BhoVNTkgi0fWf40Z2%2FzD%2BkYPSBjqwAUEeTEO9yO4SWRm8rUZQDNuMMWkSo96Ne%2FPdw8aA94Leqx1CN%2FYY7rFFogg9EhWCXZ0UWshk2zn8UT5L%2B6pKzKtJ%2FwRPAqzERj9Lw8FxSJDODgwtrItkUaJZprMregx5y0smYsXEqMcn20zq%2FBjkOe7X%2BOZoylRGI%2BBmsXEXbvPogWBAcrsee80TAGkCS%2B2GDpdtNJe2zu%2Bym73hd%2FAlKVKvKL94L5DowWqj2%2Bk%2F9ao2&amp;X-Amz-Algorithm=AWS4-HMAC-SHA256&amp;X-Amz-Credential=ASIAT7MQN47USOIIBEN5%2F20260628%2Feu-west-1%2Fs3%2Faws4_request&amp;X-Amz-Date=20260628T071246Z&amp;X-Amz-SignedHeaders=host&amp;X-Amz-Expires=900&amp;X-Amz-Signature=d2bbc7a76572052e759ee29260d494240b7cbda183a959716427d69dde2b027c 300w\" sizes=\"auto, (max-width: 280px) 85vw, 280px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>In this question it is important to examine the elements in the products. Only those elements in the product could have been present in the reactants. However, air also contains elements and burning a substance involves forming a compound with one of those elements. Consequently, we cannot be certain if our compound contained this element &hellip; <a href=\"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecchemu1hwrk\/help-card-exercise-n5-1_2a-reactions-compounds\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Help Card:  Exercise N5 1_2A Reactions &amp; Compounds&#8221;<\/span><\/a><\/p>\n","protected":false},"author":2454,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1228","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecchemu1hwrk\/wp-json\/wp\/v2\/pages\/1228","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecchemu1hwrk\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecchemu1hwrk\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecchemu1hwrk\/wp-json\/wp\/v2\/users\/2454"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecchemu1hwrk\/wp-json\/wp\/v2\/comments?post=1228"}],"version-history":[{"count":3,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecchemu1hwrk\/wp-json\/wp\/v2\/pages\/1228\/revisions"}],"predecessor-version":[{"id":1231,"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecchemu1hwrk\/wp-json\/wp\/v2\/pages\/1228\/revisions\/1231"}],"wp:attachment":[{"href":"https:\/\/blogs.glowscotland.org.uk\/gc\/hyndsecchemu1hwrk\/wp-json\/wp\/v2\/media?parent=1228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}