Yeast consists of micro-organisms classified as fungi. So yeast wouldn't be described "chemically", but "biologically" ;)
The iron and sulfur react chemically to form the compound iron sulfide.
Unlike other fungi, yeast have the capability to expand when heated.
The yeast die.
CO2 .. carbon dioxide
Yes, yeast is alive until it either poisons itself as it produces alcohol or when heated in baking.
Iodine will sublime when heated.
when matter is heated it will expand..
matter expands when heated
When matter is heated it will expand
The heat from baking kills the yeast.
The yeast dies in the baking process.
Yeast froths when put in peroxide because the acidic nature of peroxide reacts chemically with the products of yeast, causing hydrogen to be given off and froth to fizz rapidly.
Yes as they are not chemically altered
it should because there is yeast that expands when is heated
The primary thing that happens when sugar is added to yeast in dough is that it expands. The sugar provides a source of food which makes the yeast grow.
When solids are heated they turn into liquid
Cloth gets warm when heated.
When a substance is heated it gains Kinetic Energy; gaining of electrons is 'chemically another matter altogether'.
It changes chemically.
Yeast makes the bread rise. This happens due to alcoholic fermentation. This is so that the yeast can reproduce. :)
so what really happens when plastic is heated the plastics can be made into any shape. It melts...