combustion and thermal decomposition
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11 Terms
the reactants are shown on the left and the products are shown on the right
what do word equations show in a chemical reaction
yes with energy to make the reaction reverse
can products be split into original reactants
atoms are rearranged in a chemical reaction they are not created or destroyed
what do atoms do in a chemical reaction
no mass is lost or gained
what happens to mass in a chemical reaction
because the total number of atoms is the same before and after the reaction
why is the mass the same
usually because one of the reactants is a gas
why does the mass seem to change
before the reaction the gas is floating in the air so you cannot account for its mass
why is the gas not part of the mass
safety flame which is yellow
what flame does a closed airhole produce
medium blue flame which is blue
what flame does a half-open air hole produce
roaring flame which is also blue
what flame does an open airhole produce
roaring flame because it increases the oxygen supply for combustion
which flame is the hottest