Advertisements
Advertisements
Question
Balance the following equation:
PbO + NH3 → Pb + H2O + N2
Advertisements
Solution
3PbO + 2NH3 → 3Pb + 3H2O + N2
APPEARS IN
RELATED QUESTIONS
State one characteristic of the chemical reaction which takes place when wax is burned in the form of a candle.
The metal M reacts vigorously with water to form a solution S and a gas G. The solution S turns red litmus to blue whereas gas G, which is lighter than air, burns with a pop sound. Metal M has a low melting point and it is used as a coolant in nuclear reactors.
- What is metal M?
- What is solution S? Is it acidic or alkaline?
- What is gas G?
- Write a balanced chemical equation for the reaction which takes place when metal M reacts with water.
- Is this reaction exothermic or endothermic?
Explain the following reaction with one suitable example .
Decomposition reaction
Why should an equation be balanced? Explain with the help of a simple equation.
In certain reaction a change of state is observed i.e. solid to liquid, liquid to gas etc. – State the change of state of the products – to give the respective reactant.
\[\ce{2H2O ->[electric][current] 2H2 + O2}\]
Give one example in the case where supplying energy [given below] is necessary for a chemical reaction.
Heat energy
Give one example in the case where supplying energy [given below] is necessary for a chemical reaction.
Pressure
Balance the following simple equation:
KBr + Cl2 → KCl + Br2
Write a balanced equation for the following word equation:
Calcium hydroxide + Ammonium chloride → Calcium chloride + Water + Ammonia
Balance the given chemical reaction as per the instructions below.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Make a list of the elements in the chemical equation.
