Homework Help: Science

Posted by Samantha-A.K.A- BAD IN SCIENCE!! on Wednesday, March 11, 2009 at 5:44pm.

Think of a sizzling hot barbeque grill. Can You give two examples of chemical changes in matter that may be taking place in it?

Science - Kaw, Wednesday, March 11, 2009 at 5:46pm
radiation and conduction
Science - bobpursley, Wednesday, March 11, 2009 at 5:59pm
radiation and conduction are not chemical changes.

One chemical change is combustion,fuel is burning in air to produce heat, carbon dioxide and water.

The other chemical change is in the bbq itself. Heat is breaking down the protein bonds in the meat to make it tender, and shorter length protein chains which are tender.

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