Answer:
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Explanation:
A chemical reaction or physical change is exothermic if heat is released by the system into the surroundings. Because the surroundings are gaining heat from the system, the temperature of the surroundings increases. The sign of \(q\) for an exothermic process is negative because the system is losing heat.
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Answer:
electron in physics , and Element in chemistry.
Answer:
Carbon : chemical symbol is "C"
Chlorine: chemical symbol is"Cl"
Answer:
2As2S3 + 9O2 = 2As2O3 + 6SO2
Explanation:
