Advertisements
Advertisements
Question
Balance the following equation:
\[\ce{CaO + HCl->CaCl2 + H2O}\]
Advertisements
Solution
\[\ce{CaO + HCl->CaCl2 + H2O}\]
There 2 Cl atoms on the right and use 2HCl on the left side.
\[\ce{CaO + 2HCl->CaCl2 + H2O}\]
APPEARS IN
RELATED QUESTIONS
Balance the following equation stepwise.
\[\ce{NaOH + H2SO4 -> Na2SO4 + H2O}\]
Write a balanced molecular equation for the following word equation:
\[\ce{Calcium + oxygen->Calcium oxide}\]
Balance the following equation:
\[\ce{Fe + H2O⇌Fe3O4 + H2}\]
Balance the following important equation:
MnO2 + HCl → MnCl2 + H2O + Cl2
Balance the following important equation:
KMnO4 + HCl → KCl + MnCl2 + H2O + Cl2
The following reaction is used for the preparation of oxygen gas in the laboratory
`2"KClO"_3("s") overset("Heat")underset("Catalyst")(->) 2"KCl"("s") + 3"O"_2 ("g")`
Which of the following statement(s) is(are) correct about the reaction ?
Complete the missing component /variable given as x and y in the following reactions
`"Zn"("s") + "H"_2"SO"_4("aq") -> "ZnSO"_4(x) + "H"_2("y")`
Write a balanced chemical equation of the following reaction and also classify them.
Iron (III) oxide on heating with carbon monoxide gas reacts to form solid iron and liberates carbon dioxide gas.
A magnesium ribbon is burnt in oxygen to give a white compound ‘X’ accompanied by emission of light. If the burning ribbon is now placed in an atmosphere of nitrogen, it continues to burn and forms a compound ‘Y’.
- Write the chemical formulae of X and Y.
- Write a balanced chemical equations when X and Y are dissolved in water.
What happens when a piece of
- zinc metal is added to copper sulphate solution?
- aluminium metal is added to dilute hydrochloric acid?
- silver metal is added to copper sulphate solution?
Also write the balanced chemical equation if the reaction occurs.
