Advertisements
Advertisements
Question
What does the symbol (aq) represent in a chemical equation?
Advertisements
Solution
In some chemical equations, (aq) is written as a symbol after a few reactants or products. This simply represents that we have used the chemicals with water. For example, consider the following chemical reaction:
\[\ce{Ag^+_{ (aq)} + Cl^-_{ (aq)} -> AgCl_{(s)}}\]
In the above reaction, silver and chlorine are used in aqueous solution to form solid Silver chloride.
APPEARS IN
RELATED QUESTIONS
How will you indicate the following effect in a chemical equation?
Exothermic reaction
Complete and balance the following equation:
\[\ce{NaOH + {..........} -> Na2SO4 + H2O}\]
Substitute formulae for names and balance the following equation:
Calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water and carbon dioxide gas.
You are given the solution of lead nitrate. In order to obtain a yellow precipitate you should mix with it a solution of ______.
Balance the following chemical equation:
\[\ce{FeSO4 ->[Heat] Fe2O3 + SO2 + SO3}\]
Why do we need to balance chemical equations?
Balance the following chemical equation :
Na2CO3 + HCl → NaCI + H2O + CO2
To determine the percentage of water absorbed by raisins, raisins are soaked in water for:
Write the chemical equation for the following word equation and balance them.
Calcium oxide + Carbon dioxide → Calcium carbonate
\[\ce{MnO2 + 4HCl -> MnCl2 + 2H2O + Cl2}\]
0.02 moles of pure MnO2 is heated strongly with conc. HCl. Calculate moles of salt formed.
Identify the type of reaction taking place of the following case and write the balanced chemical equation of the reaction:
Zinc reacts with silver nitrate to produce zinc nitrate and silver.
Write word equation for the following molecular equation:
\[\ce{H2 [g] + Cl2 [g] ->[sunlight] 2HCl}\]
Word equation:
State which form of energy is utilised in the above chemical reaction.
Write word equation for the following chemical reaction given below. Also state the observation seen in the case.
Pb(NO3)2 + 2NH4OH → 2NH4N03 + Pb(OH)2↓
Balance the following simple equation:
K + CO2 → K2O + C
Balance the following simple equation:
Zn + NaOH → Na2ZnO2 + H2
Balance the following simple equation:
H2 + O2 → H2O
CaCO3 + 2HCl[dil.] → CaCl2 + H2O + CO2 [g]
State the information not conveyed by the above chemical equation.
Balance the given chemical reaction as per the instructions below.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Write names of reactants and products of chemical reaction.
What are the steps involved in writing the skeletal equation?
