Answer:
-608KJ/mol
Explanation:
3 C2H2(g) -> C6H6(g)
ΔHrxn = ΔHproduct - ΔHreactant
ΔHrxn= ΔHC6H6 - 3ΔHC2H2
ΔHrxn = 83 - 3(230)
ΔHrxn = -608
D only..
A is pure compound
B is mixture of compound and element
C is mixture of compounds
D is mixture of elements
Answer:
The chemical equation needs to be balanced so that it follows the law of conservation of mass.
Explanation:
Carbonation isn’t a force that causes such
Cadium
Down a period, atomic radii decrease from left to right due to the increase in the number of protons and electrons across a period.