Answer: option a: 1,1,1
Explanation:
1) The chemical equation given is wrong. This is the right chemical equation
<span>CaCO3(s) → CaO(s) + CO2(g)?
2) To balance you start by counting the number of atoms of each element on both sides
element number of atoms conclusion
reactant side product side
Ca 1 1 balanced
C 1 1 balanced
O 3 1+2 = 3 balanced
3) Therefore all the elements are balanced and the coefficients are 1, 1, and 1.
</span>
Answer:
C. Snow
Explanation:
No other answer classifies as precipitation.
Answer: The answer is D.gram
Explanation:
The reaction is a decomposition…
… because one substance is forming two other substances.
It is also a <em>reduction-oxidation reaction</em> because the <em>oxidation number of N decreases</em> from +5 to +3 and the <em>oxidation number of O increases</em> from -2 to 0.