Word and Formula Equations

Write the word equation for the following: aluminum metal reacts with iron (II) oxide powder to produce solid aluminum oxide and iron metal.

 (Use two dashes and a > for the arrow or write the word yields) DO NOT use capital letters.

(a)  

Write the balanced chemical equation for the following: aluminum metal reacts with iron (II) oxide powder to produce solid aluminum oxide and iron metal.

Include the states of matter in parentheses next to each formula. DO NOT put a space between the formula and state of matter.

Make sure you correctly represent the elements with capital/lower cases letters when appropriate.

(a)  

Write the word equation for the following: aqueous aluminum sulfate and aqueous calcium hydroxide produce a precipitate of aluminum hydroxide and solid calcium sulfate.

 (Use two dashes and a > for the arrow or write the word yields) DO NOT use capital letters.

(a)  

Write the balanced chemical equation for the following: aqueous aluminum sulfate and aqueous calcium hydroxide produce a precipitate of aluminum hydroxide and solid calcium sulfate.

Include the states of matter in parentheses next to each formula. DO NOT put a space between the formula and state of matter.

Make sure you correctly represent the elements with capital/lower cases letters when appropriate.

(a)  

Write the word equation for the following: ammonia gas (NH3) plus oxygen gas yields nitrogen monoxide gas and water vapor.

 (Use two dashes and a > for the arrow or write the word yields) DO NOT use capital letters.

(a)  

Write the balanced chemical equation for the following: ammonia gas (NH3) plus oxygen gas yields nitrogen monoxide gas and water vapor.

Include the states of matter in parentheses next to each formula. DO NOT put a space between the formula and state of matter.

Make sure you correctly represent the elements with capital/lower cases letters when appropriate.

(a)  

Which is the correct formula equation for the following: aqueous calcium hydroxide and carbon dioxide gas yields solid calcium carbonate and water.

• CaOH2(ag) + CO2(g) --> CaCO3(s) + H2O(l)

• Ca(OH)2(aq) + CO2(g) --> CaCO3(s) + H2O(l)

• 2Ca(OH)2(aq) + CO2(g) --> 2CaCO3(s) + H2O(l)

• 3CaOH2(ag) + CO2(g) --> 3CaCO3(s) + H2O(l)

Write the balanced formula equation for the following: aqueous magnesium carbonate and aqueous hydrochloric acid yields aqueous magnesium chloride, water, and carbon dioxide gas.

• MgCO3(aq) + 2HCl --> MgCl2(aq) + H2O(l) + CO2(g)

• MgCO3(aq) + 2HCl --> MgCl2(aq) +CO2(g)

• 2MgCO3(aq) + 2HCl --> 2MgCl2(aq) + H2O(l) + CO2(g)

• Mg(CO3)2(aq) + 2HCl --> Mg2Cl2(aq) + H2O(l) + CO2(g)

Write a balanced formula equation for the following: solid copper and aqueous sulfuric acid react to form aqueous Copper (II) sulfate, water, and sulfur dioxide gas.

• Cu(s) + 2 H2SO4(aq) --> CuSO4(aq) + 2 H2O(l) + SO2(g)

• Cu2(s) + 2 H2SO4(aq) --> CuSO4(aq) + 2 H2O(l) + SO2(g)

• Cu(s) + H2SO4(aq) --> CuSO4(aq) + H2O(l) + SO2(g)

• Cu(s) + 2 HSO3(aq) --> CuSO3(aq) + 2 H2O(l) + SO2(g)

What is the correct formula for potassium chlorate?

• K+ClO3-

• KClO3

• KCl

• KClO2