Chemistry
What temperature in degree centigrade would be necessary to double the volume of a gas (initially at STP), if the pressure is reduced to half ?
Related Questions
(i) What do you understand by the term 'isotopes'?
(ii) Why do isotopes of an element possess identical chemical properties ?
(iii) Name the isotope of hydrogen which do not have a neutron in it.
(i) Why is it necessary to compare gases at STP ?
(ii) What are the STP conditions ?
Classify the following types of reactions:
(i) 2Al + Fe2O3 ⟶ Al2O3 + 2Fe
(ii) 2KClO3 ⟶ 2KCl + 3O2
(iii) BaCl2 + Na2SO4 ⟶ BaSO4 + 2NaCl
Mohr's salt has the formula (NH4)2SO4.FeSO4.6H2O
(i) Calculate its molecular mass.
(ii) What is the percentage of Nitrogen in Mohr's salt ? (Atomic mass: N =14, H = 1, S = 32, Fe = 56, O = 16)