Question

Balance the given chemical equations (i) ___ Ag + ___HCl ----> ____ AgCl + H2 ^ (ii) ____ H2O ---> ____ H2^ + ___ O2 ^ (iii) ___ Fe + ___ H2O ---> Fe3O4 + ___ H2. PLEASE HELP ME WITH THIS QUESTION CORRECT ANSWER WILL BE MARKED AS BRAINLIEST.

Answer 1

Answer:

Explanation:

2Ag+2HCL----->2AgCl+H2

2H2O----->2H2+O2

3Fe+4H2O----->Fe3O4+4H2

Answer 2

Balanced Equations:

$\large{ \sf{ \cdot{2Ag + 2HCl \longrightarrow \: 2AgCl + H_2}}}$

$\large{ \sf{ \cdot{2H_2O \longrightarrow \: 2H_2 + O_2}}}$

$\large{ \sf{ \cdot{3Fe + 4H_2 \longrightarrow \: Fe_3O_4 + 4H_2}}}$

☯️ In order to satisfy Law of conservation of mass, we have to balance the chemical equations.

Explore more !!

According to Law of conservation of mass (Proposed by Lavoiser), Total mass of reactants = Total mass of products. This can be achieved when there are equal no. of atoms in both the sides.

➤ Tips & Tricks:

• If the equation is in word form, First change into molecular formula form i.e. Skeletal equation.
• Then, predict the no. of atoms present of each element in both reactants and products side.
• Start comparing and adding the coefficients, till the no. of atoms became equal.
• Many people use box method to balance, But I think just practising can make you perfect. You can also use algebraic method, But it is time taking and complicated.

⏹ Do you know?

In a equation, the integer that precedes the compounds or elementary substances are known as stoichometric coefficient. If there is no such integer, then stoichometric coefficient = 1.

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