Question

When one mole of magnesium carbonate (MgCO3) decomposes, 117.3k) of energy is absorbed.
Which of the following describes this reaction?
1
11
MgCO3 → MgOis + CO2
MgO + CO291 → MgCO3(s)
MgCO31) ► Mgos +
MgCO3s) → MgOs) +
117.3kJ
117.3kJ
AH = -117.3kj
AH = +117.3kJ
CO2)
CO210
IV​

Answer 1

Answer:

When one mole of magnesium carbonate (MgCO3) decomposes, 117.3k) of energy is absorbed.

Which of the following describes this reaction?

1

11

MgCO3 → MgOis + CO2

MgO + CO291 → MgCO3(s)

MgCO31) ► Mgos +

MgCO3s) → MgOs) +

117.3kJ

117.3kJ

AH = -117.3kj

AH = +117.3kJ

CO2)

CO210

IV