Balance the following chemical equation: Al + HCl —> AlCl3 + H2<\/p>\n\n\n\n
The correct answer and explanation is:<\/mark><\/strong><\/p>\n\n\n\n Balanced Equation:<\/strong><\/p>\n\n\n\n 2Al + 6HCl \u2192 2AlCl\u2083 + 3H\u2082<\/p>\n\n\n\n Explanation:<\/strong><\/p>\n\n\n\n Balancing a chemical equation means ensuring that the number of atoms of each element on the reactant side is equal to the number of atoms on the product side. This maintains the law of conservation of mass, which states that matter cannot be created or destroyed in a chemical reaction.<\/p>\n\n\n\n In the unbalanced equation: Start by examining each element:<\/p>\n\n\n\n To balance hydrogen properly, consider using 6 HCl molecules: Now count the atoms:<\/p>\n\n\n\n Thus, the equation is balanced. The coefficients 2, 6, 2, and 3 ensure all atoms are equal on both sides and reflect the correct molar ratios needed in the reaction.<\/p>\n","protected":false},"excerpt":{"rendered":" Balance the following chemical equation: Al + HCl —> AlCl3 + H2 The correct answer and explanation is: Balanced Equation: 2Al + 6HCl \u2192 2AlCl\u2083 + 3H\u2082 Explanation: Balancing a chemical equation means ensuring that the number of atoms of each element on the reactant side is equal to the number of atoms on the […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-40567","post","type-post","status-publish","format-standard","hentry","category-quiz-questions"],"_links":{"self":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/40567","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/comments?post=40567"}],"version-history":[{"count":1,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/40567\/revisions"}],"predecessor-version":[{"id":40571,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/posts\/40567\/revisions\/40571"}],"wp:attachment":[{"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/media?parent=40567"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/categories?post=40567"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gaviki.com\/blog\/wp-json\/wp\/v2\/tags?post=40567"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
Al + HCl \u2192 AlCl\u2083 + H\u2082<\/strong><\/p>\n\n\n\n\n
On the left side, there is 1 atom of aluminum. On the right side, AlCl\u2083 contains 1 atom of aluminum. So aluminum is already balanced.<\/li>\n\n\n\n
On the left side, HCl provides 1 chlorine atom per molecule. On the right side, AlCl\u2083 has 3 chlorine atoms. To balance chlorine, you need 3 HCl molecules to supply 3 Cl atoms.
This gives:
Al + 3HCl \u2192 AlCl\u2083 + H\u2082<\/strong><\/li>\n\n\n\n
On the left, 3 HCl molecules provide 3 hydrogen atoms. On the right, H\u2082 is a diatomic molecule, meaning it contains 2 hydrogen atoms per molecule. Since 3 is not divisible evenly by 2, you will need to multiply everything to get even numbers.<\/li>\n<\/ol>\n\n\n\n
Al + 6HCl \u2192 2AlCl\u2083 + 3H\u2082<\/strong><\/p>\n\n\n\n\n