WorksheetsRevision Chemistry
Total questions: 13
Worksheet time: 10mins
Noble gas (Group 18) members in Periodic Table
Helium
Nitrogen
Neon
Oxygen
Ideal Gas Law statement state that _______________
Collisions between gas particles are elastic.
Intermolecular forces between particles are negligible.
Gas can be expended in a definite container and pressure.
The collisions between gas particles and container walls are perfectly elastic.
(a) energy refers to heat released when one mole of an ionic solid is formed from its gaseous ions under standard conditions.
Which of the following is the correct statement for a chemical reaction at equilibrium?
At equilibrium, the rate of the forward reaction is the same as the rate of reverse reaction.
At equilibrium, the total concentration of products equals the total concentration of the reactants.
The rate constant of forward reaction is equal to the rate constant for the reverse reaction.
There is a set of equilibrium concentration that equals the Kc value.
Attractions between gas molecules in an enclosed vessel is an important aspect of _____________________.
Boyle’s Law
Kinetic Molecular Theory
Ideal Gas Law
Dalton’s Law
Factors that change the system equilibrium based on Le Chatelier Principle.
Time
Temperature
Concentration
Pressure
In the catalyst reaction, the enzyme and substrate complex must be ___________ to each other.
complement
similar
The combination of water and Methyl isocyanide (MIC) in the Bhopal tragedy produce an _________________ reaction
endothermic
exothermic
Collision theory states that molecules______________.
need to collide to permit reaction
consist a minimum energy to start reaction (activation energy)
must collide in correct orientation
need to collide in an enclosed system
Characteristic for endothermic reaction.
Heat is absorbed from the surrounding.
The container vessel cool.
Increase in surrounding temperature
Value of enthalpy is negative
Function of catalyst.
Speed up reaction.
Provide alternative pathway for reaction to occur.
Lowers the activation energy.
Increase the product of reaction.
Fe is used as catalyst in Haber Process in order to produce (a)
Ionic bond consist of (a) forces/attraction that stronger than those in covalent.
