These elements look like steps on the periodic table. They share properties of both metals and nonmetals. Computer chips contain
elements from this family.
A) these elements are nonmetals
B) These elements are radioactive
C) these elements are metalloids
D) these elements are metals
A) these elements are nonmetals
B) These elements are radioactive
C) these elements are metalloids
D) these elements are metals
1 answer:
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Answer: +178.3 kJ
Explanation:
The chemical equation follows:
The equation for the enthalpy change of the above reaction is:
We are given:
Putting values in above equation, we get:
The DH°rxn for the decomposition of calcium carbonate to calcium oxide and carbon dioxide is +178.3 kJ