T\u00ednh ch\u1ea5t h\u00f3a h\u1ecdc:\u00a0<\/em><\/strong><\/p>\n

Canxi oxit th\u01b0\u1eddng \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ebf b\u1edfi ph\u1ea3n \u1ee9ng nhi\u1ec7t ph\u00e2n c\u1ee7a v\u1eadt li\u1ec7u nh\u01b0 \u0111\u00e1 v\u00f4i hay v\u1ecf s\u00f2, c\u00f3 ch\u1ee9a calcium carbonate (CaCO3; canxit kho\u00e1ng) trong m\u1ed9t l\u00f2 nung v\u00f4i. \u0110i\u1ec1u n\u00e0y \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n b\u1eb1ng c\u00e1ch nung v\u1eadt li\u1ec7u tr\u00ean 825 \u00b0 C (1.517 \u00b0 F), m\u1ed9t qu\u00e1 tr\u00ecnh \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 nung ho\u1eb7c v\u00f4i \u0111\u1ed1t, gi\u1ea3i ph\u00f3ng m\u1ed9t ph\u00e2n t\u1eed carbon dioxide (CO2), \u0111\u1ec3 l\u1ea1i v\u00f4i.<\/p>\n

CaCO_{3<\/sub>(r) \u2192 CaO(r) + CO2<\/sub>(g)
\nC\u00e1c v\u00f4i s\u1ed1ng kh\u00f4ng \u1ed5n \u0111\u1ecbnh, v\u00e0 khi l\u00e0m l\u1ea1nh, m\u1ed9t c\u00e1ch t\u1ef1 nhi\u00ean s\u1ebd ph\u1ea3n \u1ee9ng v\u1edbi CO2 t\u1eeb kh\u00f4ng kh\u00ed cho \u0111\u1ebfn khi chuy\u1ec3n \u0111\u1ed5i ho\u00e0n to\u00e0n \u00a0tr\u1edf l\u1ea1i th\u00e0nh CaCO3\u00a0<\/sub>tr\u1eeb khi CaO v\u1edbi n\u01b0\u1edbc \u0111\u1ec3 t\u1ea1o th\u00e0nh dung d\u1ecbch s\u1eefa v\u00f4i.<\/p>\n<\/div>\n}

<\/h2>\n

<\/div>\n","protected":false},"excerpt":{"rendered":"

C\u00f4ng th\u1ee9c h\u00f3a h\u1ecdc : CaO 90%<\/strong><\/p>\n

T\u00ean h\u00f3a h\u1ecdc : Canxi Oxit – Calcium Oxide<\/strong><\/p>\n

Xu\u1ea5t x\u1ee9 : Vi\u1ec7t Nam<\/strong><\/p>\n

Qui c\u00e1ch : 25 kg\/bao<\/strong><\/p>\n","protected":false},"featured_media":406,"comment_status":"open","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"http:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/product\/405"}],"collection":[{"href":"http:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"http:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"http:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/comments?post=405"}],"wp:featuredmedia":[{"embeddable":true,"href":"http:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/media\/406"}],"wp:attachment":[{"href":"http:\/\/vuhoangco.com.vn\/en\/wp-json\/wp\/v2\/media?parent=405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}