https://padlet.com/3015221/mnt12wz5g78j en-us 2017-03-28 21:23:17 UTC 2017-03-28 22:07:05 UTC hello@padlet.com 3015221 https://padlet.com/3015221/mnt12wz5g78j/wish/163270853 Substance undergo chemical reactions, which form new substances whose properties differ from the properties of the original substances. ]]> 2017-03-28 21:31:56 UTC https://padlet.com/3015221/mnt12wz5g78j/wish/163270853 3015221 https://padlet.com/3015221/mnt12wz5g78j/wish/163271952 A chemical reaction is a process in which one or more substances change to make one or more new substances.]]> 2017-03-28 21:39:59 UTC https://padlet.com/3015221/mnt12wz5g78j/wish/163271952 3015221 https://padlet.com/3015221/mnt12wz5g78j/wish/163272763 A precipitate is a solid substance that forms in a solution.]]> 2017-03-28 21:44:50 UTC https://padlet.com/3015221/mnt12wz5g78j/wish/163272763 3015221 https://padlet.com/3015221/mnt12wz5g78j/wish/163273257 A chemical reaction in which energy is released is called an exothermic reaction.]]> 2017-03-28 21:49:02 UTC https://padlet.com/3015221/mnt12wz5g78j/wish/163273257 3015221 https://padlet.com/3015221/mnt12wz5g78j/wish/163273495 A chemical reaction in which energy is taken in is called an endothermic reaction.]]> 2017-03-28 21:50:56 UTC https://padlet.com/3015221/mnt12wz5g78j/wish/163273495 3015221 https://padlet.com/3015221/mnt12wz5g78j/wish/163273710 The law of conservation of energy states that energy cannot be created or destroyed.]]> 2017-03-28 21:52:56 UTC https://padlet.com/3015221/mnt12wz5g78j/wish/163273710 3015221 https://padlet.com/3015221/mnt12wz5g78j/wish/163273978 A chemical formula is a shorthand way to use chemical symbols and numbers to represent a substance.]]> 2017-03-28 21:55:25 UTC https://padlet.com/3015221/mnt12wz5g78j/wish/163273978 3015221 https://padlet.com/3015221/mnt12wz5g78j/wish/163274289 A chemical equation uses chemical symbols and formulas as a short way to describe a chemical reaction.]]> 2017-03-28 21:58:51 UTC https://padlet.com/3015221/mnt12wz5g78j/wish/163274289 3015221 https://padlet.com/3015221/mnt12wz5g78j/wish/163274505 The starting materials in a chemical reaction are reactants.]]> 2017-03-28 22:01:16 UTC https://padlet.com/3015221/mnt12wz5g78j/wish/163274505 3015221 https://padlet.com/3015221/mnt12wz5g78j/wish/163274716 The substances formed from a reaction are products.]]> 2017-03-28 22:03:16 UTC https://padlet.com/3015221/mnt12wz5g78j/wish/163274716 3015221 https://padlet.com/3015221/mnt12wz5g78j/wish/163274877 This law states that mass is neither created nor destroyed in chemicals and physical changes. ]]> 2017-03-28 22:04:54 UTC https://padlet.com/3015221/mnt12wz5g78j/wish/163274877