G(-30)=2(-30)/3+3
g(-30)=(-60/3)+3
g(-30)=-20+3
g(-30)=-17
A and B
The other answers do not correctly use a semi-colon because the semicolon acts as a period that connects two closely related clauses.
Answer:
1) B. The change in energy in a system during an exothermir reaction
2) B. In the air, only the oxygen is part of the system
3) B. The energy found in the reactants....
4) D. This is an endothermic reaction because the system took energy from the surroundings.
5) B. Energy is released by the formation of chemical bonds
Explanation:
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