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प्रश्न
Differentiate between 2H and H2
उत्तर
| 2H | H2 |
| 2H corresponds to two atoms of Hydrogen element. | H2 corresponds to a hydrogen olecule which contains two atoms of hydrogen . |
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संबंधित प्रश्न
Each of the two flasks contains 2.0 g of gas at the same temperature and pressure. One flask contains oxygen and the other hydrogen. Which sample contains the greater number of molecules?
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Solve the following:
What volume of oxygen is required to burn completely 90 dm3 of butane under similar conditions of temperature and pressure?
\[\ce{2C4H10 + 13O2 -> 8CO2 + 10H2O}\]
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\[\ce{2H2 + O2 → 2H2O}\]
What volume of oxygen remains unreacted?
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\[\ce{Pb3O4 + 8HCl -> 3PbCl2 + 4H2O + Cl2}\]
Calculate the mass of lead chloride formed by the action of the 6.85 g of red lead.
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\[\ce{2NaOH + CuSO4 -> Na2SO4 + Cu(OH)2↓}\]
[Cu = 64, Na = 23, S = 32, H = 1]
What will be the volume of ammonia when measured at STP?
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\[\ce{P + 5HNO3 -> H3PO4 + 5NO2 + H2O}\]
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\[\ce{P + 5HNO3_{(conc.)}-> H3PO4 + H2O + 5NO2}\]
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