When a small piece of sodium is dropped into water they react to form sodium hydroxide and hydrogen gas, i.e - Leaving Cert Chemistry - Question e - 2019
Question e
When a small piece of sodium is dropped into water they react to form sodium hydroxide and hydrogen gas, i.e.
sodium + water → sodium hydroxide + hydrogen.
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Worked Solution & Example Answer:When a small piece of sodium is dropped into water they react to form sodium hydroxide and hydrogen gas, i.e - Leaving Cert Chemistry - Question e - 2019
Step 1
Write the unbalanced equation
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Answer
The initial reaction between sodium and water can be written as:
Na+H2O→NaOH+H2
Step 2
Balance the equation
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Answer
To fully balance the equation, considering that two sodium atoms react with two water molecules, the balanced equation is:
2Na+2H2O→2NaOH+H2
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