Question

Transform "Two molecules of hydrogen gas react with one molecule of oxygen gas to produce two molecules of water vapor." into a chemical equation
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Answer 1

GiveN :-

• Two molecules of hydrogen gas react with one molecule of oxygen gas to produce two molecules of water vapour .

To FinD :-

• To transform it into a chemical equation.

SolutioN :-

Given that molecules two moles of hydrogen gas react with one molecule of oxygen gas to produce two molecules of water vapour .

So we know that the symbol of Hydrogen is H . And that of Oxygen is O .

The word equation will be :-

$\boxed{\pink{\sf Hydrogen + Oxygen \to Water }}$

The Chemical equation will be :-

$\boxed{\pink{\sf H_2 + O_2 \to H_2O }}$

But here we see that the equation seems to be unbalanced that is here the number of oxygen atoms on the LHS is 2 , but there is only 1 oxygen atom in the LHS . So for balancing ,

Step 1: Multiplying 2 to Oxygen on RHS:

$\sf:\implies \gray{ H_2 + O_2 \to \pink{2} H_2O }$

Step 2: Multiplying 2 to Hydrogen on LHS:

$\sf:\implies \gray{ \pink{2}H_2 + O_2 \to \pink{2} H_2O }$

Now here , we can see that there are equal number of Atoms on both LHS and RHS . So our equation is balanced .

Hence we balanced out the equation !