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Chemistry-Magnesium Equation

Chemistry-Magnesium Equation

Mg + O2 –> 2MgO

The elements involved in this chemical reaction are magnesium and oxygen. These elements react to form a magnesium oxide compound.

The balanced chemical equation is:

2Mg (s) + O2(g) –> 2MgO(s)

The equation is balanced by adding 2 to the magnesium on the left side. Two atoms of magnesium combine with an atom of oxygen to form magnesium oxide. The number of magnesium atoms in the balanced equation equals two on both sides of the equation. The number of oxygen atoms is also two on both sides of the equation.

The reaction type that best fits this chemical equation is a combination reaction. Combination reactions, also known as synthesis reactions, are chemical reactions in which two or more reactants combine to form one product. Combination reactions are common between metals such as magnesium and non-metals such as oxygen and halogens. Oxygen and halogens tend to combine with metals under most conditions due to their reactive nature. The product formed is electrically neutral because the negative charge of oxygen neutralizes the positive charge of magnesium. The product formed is an ionic compound. In this case, magnesium combines with oxygen to form magnesium oxide. Magnesium compound, the new product formed, is an ionic compound that is electrically neutral.


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Choose one chemical reaction equation below. Include the number of the Unbalanced reaction equation in your subject line. IMPORTANT: Check to confirm that no other classmate has posted the equation you selected. If all 17 equations have been balanced, then you can choose any one of them. No credit will be given to a post that repeats equations 1-17 before all have been posted.

Chemistry-Magnesium Equation

Chemistry-Magnesium Equation

Step 3: In your post, state the names of the elements (not chemical symbols) involved in the reaction

Step 4: Show your balanced equation

Step 5: Use guidance criteria in the readings for this week to discuss which type of chemical reaction best fits the chemical equation that you balanced. Reaction types you might consider are Precipitation, acid-base, oxidation-reduction (redox), combination, decomposition, displacement, neutralization, and combustion. Explain the reasoning for how you came to your decision about the type of chemical reaction.

Step 6: Check the balancing work of two classmates. Do you agree with their balanced equation? If not, what changes are needed? Do you agree with the type of chemical reaction that your classmates chose for Step 4? Why or why not?

Choose one of the Unbalanced equations below:

I choose this Mg + O2 –> 2MgO

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