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.
Hope this helps! If it did, pls marky me brainly thank, and 5star me</span>
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Answer:
C
Explanation:
Exothermic means that heat is released from the reaction
A. electron, B. Nucleus
Proton is positive charge, electron is negative charge
proton weight, 1 AMU
