Homework Help: Chemistry

Posted by Kim on Wednesday, May 19, 2010 at 8:40pm.

When 2 mol of solid magnesium (Mg) combines with 1 mole of oxygen gas (O2), 2 mol of solid magnesium oxide (MgO) is formed and 1204kJ of heat is released. Write the thermochemical equation for this combustion reaction.

Chemistry - DrBob222, Wednesday, May 19, 2010 at 9:40pm
2MgO + O2 ==> 2MgO delta H = -1204 kJ.
becomes
MgO + 1/2 O2 ==> MgO delta H = -602 kJ/mol for the thermochemical equation.

Answer this Question

Related Questions

Chemistry - Consider the reaction of magnesium metal with hydochloric acid to ...
chemistry - Calculate the number of moles in 75.0 g of oxygen gas. A. 2.34 mol ...
chem - When hydrochloric acid reacts with magnesium metal, hydrogen gas and ...
chemistry - unknown element X combines with oxygen to form the compund XO2. If ...
Chemistry - Solid magnesium reacts with oxygen gas to produce 568g of solid ...
chemistry - Why does this equation account for the fact that the gas volume is ...
chemistry - How many moles of magnesium is 1.25 x 1023 atoms of magnesium? A. 0....
Chem (Thermodynamics) - Calculate the temperature (in ºC) to which silver ...
Chem (Thermodynamics) - Calculate the temperature (in ºC) to which silver ...
chemistry-please check my work - Determine the mass of carbon monoxide that is ...

For Further Reading

First Name:
School Subject:
Answer: