The carbon atom in coal becomes carbon dioxide when it is burned. the carbon atom changes from a solid structure to a gas but it’s mass doesn’t change.
Ionic bonds; they make ionic bonds.
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<span>Calories heat added = Mass of glass times temp. increase times specific heat of glass
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<span>calories (small calories) = l.0 g x 20 degrees x .16 calories/gm/degree C = 3.2 calories</span>