English

Give One Example in the Case Where Supplying Energy (Given Below) is Necessary for a Chemical Reaction. Heat Energy - Chemistry

Advertisements
Advertisements

Question

Give one example in the case where supplying energy [given below] is necessary for a chemical reaction.

Heat energy

Short/Brief Note
Advertisements

Solution

Heat Energy:

On heating the reactants – the reacting particles, collide swiftly and with greater intensity.

Example:

Heat on zinc carbonate:

\[\ce{ZnCO3 ->[\triangle] ZmO + CO2 [g]}\]

shaalaa.com
  Is there an error in this question or solution?
Chapter 5: Language of Chemistry - Exercise

APPEARS IN

RELATED QUESTIONS

Write balanced chemical equation from the following information:
An aqueous calcium hydroxide solution (lime water) reacts with carbon dioxide gas to produce a solid calcium carbonate precipitate and water.


Aluminium hydroxide reacts with sulphuric acid to form aluminium sulphate and water. Write a balanced equation for this reaction.


When a mixture of gases X and Y is compressed to 300 atm pressure and then passed over a catalyst consisting of a mixture of zinc oxide and chromium oxide (heated to a temperature of 300°C), then an organic compounds Z having the molecular formula CH4O is formed. X is a highly poisonous gas which is formed in appreciable amounts when a fuel burns in a limited supply of air; Y is a gas which can be made by the action of a dilute acid on an active metal; and Z is a liquid organic compound which can react with sodium metal to produce hydrogen gas.
(a) What are X, Y and Z?
(b) Write a balanced chemical equation of the reaction which takes place when X and Y combine to form Z. Indicate the conditions under which the reaction occurs.


Write word equation for the following skeletal equation:

\[\ce{Ca + O2 → CaO}\]


Write word equation for the following skeletal equation:

\[\ce{AgBr -> Ag + Br2}\]


Balance the following equation. Also name the product formed. 

 `"H"_2 +"CI"_2  →  "HCI"`


Balance the following equation:

Zn + KOH → K2ZnO2 + H2


\[\ce{2KClO3->[MnO2] 2KCl + 3O2[g] - is a balanced equation.}\]

State why the compound MnO2 is written above the arrow.


Balance the following simple equation:

H2S   +   Cl2  →  S  +  HCl 


Write scientific reason.

Adding zinc particles to a solution of copper sulphate makes the blue solution colorless.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×