In a chemical reaction, the mass of the products<span> is less than the mass of the reactants.
the first step in most stoichiometry problems is to <span>convert given quantities to moles.
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Ice melting from water. Nothing has changed except the state of matter.
There are 145 centimeters in 1.45 meters.
<span>d)Electrons need specific amounts of energy to "jump" off an atom and be emitted.</span>