Chemistry
From the equation for burning of hydrogen and oxygen
2H2 + O2 ⟶ 2H2O (Steam)
Write down the number of mole (or moles) of steam obtained from 0.5 moles of oxygen.
Related Questions
(a) What are the main applications of Avogadro's Law?
(b) How does Avogadro's Law explain Gay-Lussac's Law of combining volumes?
(a) The relative atomic mass of Cl atom is 35.5 a.m.u. Explain this statement.
(b) What is the value of Avogadro's number ?
(c) What is the value of molar volume of a gas at S.T.P.?
From the equation
3Cu + 8HNO3 ⟶ 3Cu(NO3)2 + 4H2O + 2NO
(At. mass Cu=64, H=1, N=14, O=16)
Calculate:
(a) Mass of copper needed to react with 63 g of HNO3
(b) Volume of nitric oxide at S.T.P. that can be collected.
(a) Calculate the number of moles in 7 g of nitrogen.
(b) What is the volume at S.T.P. of 7.1 g of chlorine?
(c) What is the mass of 56 cm3 of carbon monoxide at S.T.P?