Answer:
3.14 × 
× 2
Explanation:
Multiply 3.14 by 6 times 6 times 2
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:
TOOK THE QUIZ...YOU'RE WELCOME!!!
The answer is A hope that helps
It covers the concepts of mathematics covered all throughout high school, pretty much starting with algebra conceps.
