Chemistry Precision and Design Flashcard 7

Front

Balanced equation for the reaction of hydrogen gas (H₂) with oxygen gas (O₂) to form water (H₂O).

Back

2 H₂(g) + O₂(g) → 2 H₂O(g)

Front

Balanced equation for the reaction of zinc (Zn) with hydrochloric acid (HCl) to produce hydrogen gas (H₂) and zinc chloride (ZnCl₂).

Back

Zn(s) + 2 HCl(aq) → H₂(g) + ZnCl₂(aq)

Front

Balanced equation for the reaction of iron (Fe) with oxygen gas (O₂) to form iron(III) oxide (Fe₂O₃).

Back

4 Fe(s) + 3 O₂(g) → 2 Fe₂O₃(s)

Front

Balanced equation for the reaction of CO with NO₂ to form CO₂ and N₂.

Back

2 CO(g) + 2 NO(g) → 2 CO₂(g) + N₂(g)

Front

Balanced equation for decomposing sodium chlorate (NaClO₃) to form sodium chloride (NaCl) and oxygen gas (O₂).

Back

2 NaClO₃(s) → 2 NaCl(s) + 3 O₂(g)

Front

Balanced equation for the combustion of butane (C₄H₁₀) with oxygen gas (O₂) to form carbon dioxide (CO₂) and water (H₂O)?

Back

2 C₄H₁₀(g) + 13 O₂(g) → 8 CO₂(g) + 10 H₂O(g)

Front

During a science experiment, Tessa and Alyssa were asked to ensure that their chemical equations were balanced. This requirement is based on the law of conservation of what?

Back

Mass

Front

What is the symbolic representation of a chemical reaction called?

Back

Equation

Front

In a cooking class, Alyssa is learning to make a cake. The ingredients she uses are on the left side of her recipe, and the finished cake is on the right side. What are the ingredients and what is the finished cake?

Back

Reactants, Products

Front

Balanced equation for the reaction of aluminum (Al) with sulfuric acid (H₂SO₄) to form aluminum sulfate (Al₂(SO₄)₃) and hydrogen gas (H₂).

Back

2 Al(s) + 3 H₂SO₄(aq) → Al₂(SO₄)₃(aq) + 3 H₂(g)