A mixture of H₂(g) and O₂(g) at room temperature will not react together to form any product. But at 700°C these gases react instantly to form product why?
University of Ilorin CHM101 2015 past question
- at 700°C the gaseous molecules are highly energetic
- at 700°C the intramolecular forces are overcome
- at 700°C the molecular collisions overcome the activation energy
- none of the above
Register free to see the answer and step-by-step explanation
More University of Ilorin CHM101 2015 past questions
Related questions
- Which of these pairs of metals has variable valencies?
- J.J. Thomson's model of the atom was replaced by:
- Phosphorus burns as: P₄ + 5O₂ → P₄O₁₀. How many litres of O₂ at STP are needed to oxidize 12.4g of P₄? (P=31, O=16, molar volume=22.4L)
- Which statement is FALSE when ice cubes are added to hot tea?
- Temperature, enthalpy, entropy, and energy changes are called:
- Ionization energy: