Given the following unbalanced equation: Mg + O2→ MgO

If you have 8.01 moles of Mg, how many moles of MgO can you make?

8.01 mol MgO

General Formulas and Concepts:

Math

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Chemistry

Atomic Structure

MolesCompounds

Stoichiometry

Using Dimensional AnalysisAnalyzing Reactions RxNExplanation:

Step 1: Define

[RxN - Unbalanced] Mg + O₂ → MgO

[RxN - Balanced] 2Mg + O₂ → 2MgO

[Given] 8.01 moles Mg

[Solve] moles MgO

Step 2: Identify Conversions

[RxN] 2 mol Mg → 2 mol MgO

Step 3: Stoich

[DA] Set up:                                                                                                       [DA] Multiply/Divide [Cancel out units]:                                                          

They can measure  the amount of energy gained or lost

Must be negative.substance increases