Magnesium burns in air to produce a bright light and is often used in fireworks displays. The combustion of magnesium can be described by the following thermochemical equation: 2Mg(s) +O2(g) → 2MGO(s) AH° = -1203 kJ Calculate the heat of reaction (in kilojoules) when the combustion of 8.18 g of magnesium occurs. Include the sign in your answer.

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Chapter1: Chemical Foundations
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Magnesium burns in air to produce a bright light and is often used in fireworks displays. The combustion of magnesium can be
described by the following thermochemical equation:
2Mg(s) +O2(3) - 2MgO(s)
AH° = -1203 kJ
Calculate the heat of reaction (in kilojoules) when the combustion of 8.18 g of magnesium occurs. Include the sign in your answer.
i
kJ
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OCT
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E O stvN
MacBook Air
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吕0
888
F9
F10
Transcribed Image Text:Magnesium burns in air to produce a bright light and is often used in fireworks displays. The combustion of magnesium can be described by the following thermochemical equation: 2Mg(s) +O2(3) - 2MgO(s) AH° = -1203 kJ Calculate the heat of reaction (in kilojoules) when the combustion of 8.18 g of magnesium occurs. Include the sign in your answer. i kJ eTextbook and Media Hint Save for Later Last saved 4 hours ago. Attempts: 1 of 15 used Submit Answer Saved work will be auto-submitted on the due date. Auto- submission can take up to 10 minutes. OCT 26 E O stvN MacBook Air DD 吕0 888 F9 F10
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