Advertisements
Advertisements
प्रश्न
Write word equation for the following molecular equation:
\[\ce{NH3 [g] + HCl [g] ⇌ NH4Cl [s]}\]
Word equation:
State which characteristic is observed in the above reaction.
Give an-example of a similar above characteristic, seen between two other gaseous reactants.
Advertisements
उत्तर
Ammonia + Hydrogen chloride ⇌ ammonium chloride
Indication –
Change of state from gas to solid.
Other example of change of state are:
- 2H2 (g) + O2 (g) → 2H2O (l)
- C (s) + 2S (s) → CS2 (l)
APPEARS IN
संबंधित प्रश्न
Write a 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.
Balance the following equation and add state symbols:
\[\ce{Zn + HCl -> ZnCl2 + H2}\]
Carbon monoxide reacts with hydrogen under certain conditions to form methanol (CH3OH). Write a balanced chemical equation for this reaction indicating the physical states of reactants and product as well as the conditions under which this reaction takes place.
Substitute formulae for names and balance the following equation:
Calcium carbonate reacts with hydrochloric acid to produce calcium chloride, water and carbon dioxide gas.
Balance the equation stepwise.
Ag(s) + HCl(aq) → AgCl ↓+ H2 ↑
What is the valency of :
carbon in CH4
Name the following:
Two non-metal which react explosively when brought in close contact.
Balance the following simple equation:
Fe + H2O ⇌ Fe3O4 + H2
What is a reactant in a chemical equation?
Complete the following blank in the equation as indicated.
\[\ce{CaH2_{(s)} + 2H2O_{( aq)}-> Ca(OH)2_{(s)} + 2H2_{(g)}}\]
Grams: 42 g + ______ `→` ______ + ______
