Question

write the balanced chemical equation for Phosphorus burning presence of chlorine to form Phosphorus pentachloride and second burning of natural gas and third the process of respiration

Answer 1

(i) P4 (s) + 10Cl2 (g) ———> 4PCl5 (S)
(i)CH4 (g) + 2O2 (g) ———> CO2 (g) + 2H2O(l) + heat energy
(iii) C6H12O6 (s) + 6O2 (g) + 6H2O

Answer 2

Balanced chemical equation for given chemical reaction

1. Burning of phosphorus in the presence of chlorine

• To obtain Phosphorus pentachloride, phosphorous must be burnt in an excess amount of chlorine.
• The balanced chemical equation involved in the chemical reaction as follows:

$P_{4}+10 C l_{2} \rightarrow 4 P C l_{5}$

2. Combustion of natural gas

• The reactant involved in the reaction is natural gas and oxygen. The molecular formula of natural gas is $CH_4$.

• The balanced chemical equation involved in the chemical reaction as follows:

$CH_4+2O_2\rightarrow CO_2+2H_2O$

3. Process of respiration

• The reactants involved in the respiration process are glucose and oxygen.
• The molecular formula of glucose is $C_6H_{12}O_6$.

• The balanced chemical equation involved in the chemical reaction as follows:

$C_6H_{12}O_6+6O_2\rightarrow 6CO_2+6H_2O+ATP$

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