Advertisements
Advertisements
Question
Correct and balance the following equations:
\[\ce{N + H -> NH3}\]
Advertisements
Solution
\[\ce{N2 + 3H2 -> 2NH3}\]
APPEARS IN
RELATED QUESTIONS
Balance the following chemical equation.
\[\ce{NaCl + AgNO3 -> AgCl + NaNO3}\]
Balance the following equation:
\[\ce{Na + O2 -> Na2O}\]
When potassium nitrate is heated, it decomposes into potassium nitrite and oxygen. Write a balanced equation for this reaction and add the state symbols of the reactants and products.
Balance the following chemical equation:
\[\ce{Pb(NO3)2_{(s)} ->[Heat] PbO_{(s)} + NO2_{(g)} + O2_{(g)}}\]
Write a balanced chemical equation with state symbols for the following reaction:
Barium chloride solution reacts with sodium sulphate solution to give insoluble barium sulphate and a solution of sodium chloride.
A white precipitate will be formed if we add common salt solution to ______.
Write word equation for the following skeletal equation:
\[\ce{KNO3 -> KNO2 + O2}\]
Balance the following equation. Also name the products formed.
`"Mg" + "O"_2 → "MgO"`
Complete the following equation:
CH3COOH + NaOH →
What is a chemical equation? Why it is necessary to balance it?
Write the chemical equation for the following word equation and balance them.
Sodium reacts with water to form sodium hydroxide and hydrogen
Identify the type of reaction taking place of the following case and write the balanced chemical equation of the reaction:
Potassium iodide reacts with lead nitrate to produce potassium nitrate and lead iodide.
A chemical reaction is generally accompanied by certain external indications or characteristics. These include – change of – (a) colour (b) state (c) smell (d) evolution of gas (e) formation of precipitate (f) evolution or absorption of heat. With reference to change of colour – state the change in colour seen when the following are heated – zinc carbonate.
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.
Light energy
Balance the following simple equation:
H2S + Cl2 → S + HCl
Balance the following simple equation:
Zn + NaOH → Na2ZnO2 + H2
Write a balanced equation for the following word equation:
Aluminium + Oxygen → Aluminium oxide
Write the skeleton equation for the following word equation and then balance them.
- Carbon + Oxygen → Carbon dioxide.
- Phosphorus + Chlorine → Phosphorus pentachloride.
- Sulphur + Oxygen → Sulphur dioxide.
- Magnesium + hydrogen → Magnesium + Hydrogen chloride chloride.
Balance the following chemical equation.
- Na + O2 → Na2O3
- Ca + N2 → Ca3N2
- N2 + H2 →NH3
- CaCO3 +HCl → CaCl2 + CO2 +H2O
- Pb(NO3)2 → PbO + NO2 + O2
