What might explain the fact that copper bound pm denatures at a higher temperature than regular [copper free} Wig

What might explain the fact that copper bound pm denatures at a higher temperature than regular [copper free} Wig? Use the words non—covalent interactions in your answer. 6. Iron E a red color. If you crush up an iron supplement tablet and add a pinch to egg whites [the whites should be beaten in a glass or stainless—steel bowl], you can turn the egg white foam pink. What is the chemical explanation behind this phenomenon? 1 Why does the addition of cream of tartar improye egg white foam formation? 8. Most modern cooks make an egg white foam using an electric mixer, but centuries ago, cooks were making egg white foams from beating by hand with a whisk. To make hand beating an egg white foam easier, chefs would recommend beating the egg whites in a bowl that is held over another bowl of hot water. What is the chemistry behind this recommendation?