Chemical Changes and Equations

Write the balanced chemical reaction when iron reacts with water and steam.

Write a balanced chemical equation for the reaction of iron with hot water.

Balance the following chemical equation: $\mathrm{Fe} + {\mathrm{H}}_2\mathrm{O} \to {\mathrm{Fe}}_3{\mathrm{O}}_4 + {\mathrm{H}}_2$

Balance the following chemical equation: $\mathrm{Fe} + {\mathrm{H}}_2\mathrm{O} \to {\mathrm{Fe}}_2{\mathrm{O}}_3 + {\mathrm{H}}_2$

Balance the given chemical equation:

${\mathrm{H}}_2 + {\mathrm{O}}_2 \to {\mathrm{H}}_2\mathrm{O}$

Balance the following chemical equation: ${\mathrm{CH}}_4+ {\mathrm{O}}_2 \to {\mathrm{CO}}_2 + {\mathrm{H}}_2\mathrm{O}$

Balance the following chemical equation: ${\mathrm{C}}_2{\mathrm{H}}_6 + {\mathrm{O}}_2 \to {\mathrm{CO}}_2 + {\mathrm{H}}_2\mathrm{O}$

Balance the following chemical reaction that occurs for the formation of ammonia: ${\mathrm{N}}_2 + {\mathrm{H}}_2 \to {\mathrm{NH}}_3$

The displacement reaction between zinc and sulphuric acid is used to prepare 1mole of hydrogen gas in the laboratory.

The reaction between zinc and dilute sulphuric acid is an example of a 

Write a balanced equation for the reaction between zinc and dilute sulphuric acid.

Determine the gas which is prepared in the laboratory from the balanced chemical reaction between zinc and dilute sulphuric acid?

Write a word equation for the synthesis of ammonium nitrate.

A solid powder is added to the water. Which of the following might be evidence that a chemical reaction has taken place?

Identify the products and reactants in the following reaction. Write the reaction as a word equation.

Copper oxide neutralizes hydrochloric acid to form copper chloride and water.

Identify the products and reactants in the following reaction. Write the reaction as word equations.

Identify the products and reactants in the following reaction. Write the reaction as word equations.

Sodium reacts with water to form hydrogen and sodium hydroxide.

Put acetic acid (vinegar) in a plastic cup to a depth of $1 \mathrm{Cm}$. Add a spatula of sodium hydrogen carbonate (bicarbonate of soda) to it. In another plastic cup Put water to a depth of $1 \mathrm{Cm}$. Add two spatulas of calcium chloride to it.

What evidence is there that a chemical reaction has taken place in the following situation?

An apple rotting.

What evidence is there that a chemical reaction has taken place in the following situation?

Wood burning.