https://padlet.com/sinhee_kim/sniyyiqhr58o Post a question, answer a question, add a diagram to help your peers understand, link a video to show them what you mean... en-us 2016-11-28 08:21:11 UTC 2026-01-19 18:41:42 UTC hello@padlet.com sinhee_kim https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140102726 2016-11-28 08:29:42 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140102726 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140409605 2016-11-29 06:50:38 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140409605 sinhee_kim https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140409901 2016-11-29 06:55:51 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140409901 sinhee_kim https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140409942 2016-11-29 06:56:23 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140409942 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140410141 2016-11-29 06:59:38 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140410141 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140410889 Because there isn't enough oxygen for the carbon in fuels to react normally, so it makes carbon monoxide (CO)]]> 2016-11-29 07:10:18 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140410889 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140411071 Because it speeds up the reaction, it can be used over and over as it does not change chemically, it usually reduces the activation energy.]]> 2016-11-29 07:12:09 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140411071 sinhee_kim https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140411487 2016-11-29 07:15:58 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140411487 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140411533 Sodium Hydroxide +Hydrogen
2Na+2H2O->2NaOH + H2]]> 2016-11-29 07:16:21 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140411533 sinhee_kim https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140411565 A sulphate ends in SO4 while a sulfide simply ends in S]]> 2016-11-29 07:16:41 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140411565 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140411779 4Fe+3O2->2Fe2O3]]> 2016-11-29 07:18:14 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140411779 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140411819 Anything below Hydrogen in the reactivity series will not react with Dilute Acids.]]> 2016-11-29 07:18:29 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140411819 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140411987 2016-11-29 07:19:52 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140411987 sinhee_kim https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140412063 2016-11-29 07:20:14 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140412063 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140412120 We use catalysts to increase the rate of a reaction or make a reaction happen]]> 2016-11-29 07:20:46 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140412120 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140412169 The products would be metal compound (such as a nitrate or sulphate and water as the hydrogen in the acid reacts with the oxygen in the metal oxide]]> 2016-11-29 07:21:16 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140412169 sinhee_kim https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140413500 2016-11-29 07:30:25 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140413500 sinhee_kim https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140413572 2016-11-29 07:30:58 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140413572 sinhee_kim https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140413610 2016-11-29 07:31:16 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140413610 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140413861 2016-11-29 07:33:23 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140413861 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140413864 Acid + Alkali ==> Salt + Water
Sodium hydroxide + Hydrochloric acid ==> Sodium chloric + water]]> 2016-11-29 07:33:24 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140413864 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140414053 The products after thermal decomposition of Calcium Carbonate are Calcium oxide and Carbon Dioxide.
CaCO3 --> CaO + CO2]]> 2016-11-29 07:34:49 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140414053 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140414116 2016-11-29 07:35:13 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140414116 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140414127 Non metal Oxides are always acidic while metal oxides are alkali.]]> 2016-11-29 07:35:16 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140414127 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140414156 2016-11-29 07:35:30 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140414156 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140414194 Carbon dioxide + Water]]> 2016-11-29 07:35:43 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140414194 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140414204 BBC ( bitesize) ]]> 2016-11-29 07:35:50 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140414204 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140414375 It is a chemical change which is irreversible. you could displace the iron from iron oxide with aluminium, for example. However this would involve another chemical reaction and it, technically, is not reversing. It is simply salvaging.]]> 2016-11-29 07:37:09 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140414375 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140414718 It is balanced
Here's a breakdown:
Na, H2, P, O4 ==> Na, P, O4, H2]]> 2016-11-29 07:39:58 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140414718 https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140994816 Sulphide is a salt wear as sulfidee isnt]]> 2016-12-01 00:50:18 UTC https://padlet.com/sinhee_kim/sniyyiqhr58o/wish/140994816