# Problem: Find ΔH° for BaCO3 (s) → BaO (s) + CO2 (g) given that 2Ba (s) + O2 (g) → 2BaO (s)     ΔH° = -1107.0 kJBa (s) + CO2 (g) + 1/2O2 (g)→ BaCO3 (s)     ΔH° = - 822.5 kJ a. -1929.5 kJ b. -1376.0 kJ c. -284.5 kJ d. 269.0 kJ e. 537 kJ

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Find ΔH° for BaCO3 (s) → BaO (s) + CO2 (g) given that

2Ba (s) + O2 (g) → 2BaO (s)     ΔH° = -1107.0 kJ

Ba (s) + CO2 (g) + 1/2O2 (g)→ BaCO3 (s)     ΔH° = - 822.5 kJ

a. -1929.5 kJ

b. -1376.0 kJ

c. -284.5 kJ

d. 269.0 kJ

e. 537 kJ

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Hess's Law concept. You can view video lessons to learn Hess's Law. Or if you need more Hess's Law practice, you can also practice Hess's Law practice problems.

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Our tutors rated the difficulty ofFind ΔH° for BaCO3 (s) → BaO (s) + CO2 (g) given that 2Ba (s...as medium difficulty.

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Based on our data, we think this problem is relevant for Professor Dumont's class at McMaster University.