Which of the following is a macroscopic property?
Which of the following is a macroscopic property?
Other examples of macroscopic properties include texture, phase (solid, liquid or gas), viscosity (if any) and density relative to surroundings (such as oil on water). The properties of an element or material tend to change, even if only slightly, as the conditions change.
Is temperature a microscopic or macroscopic property?
Temperature is a macroscopic parameter that is a measure of the average KE of the molecules in a system. Heat flows from the hot system (lowering its internal energy and temperature) to a cold system (raising its internal energy and temperature)
What is difference between microscopic and macroscopic?
Microscopic approach considers the behaviour of every molecule by using statistical methods. In Macroscopic approach we are concerned with the gross or average effects of many molecules’ infractions. These effects, such as pressure and temperature, can be perceived by our senses and can be measured with instruments.
What are example of macroscopic properties?
Examples of familiar macroscopic objects include systems such as the air in your room, a glass of water, a coin, and a rubber band—examples of a gas, liquid, solid, and polymer, respectively.
Are macroscopic properties constant equilibrium?
The macroscopic visible properties that we can see are constant. In reality the reactions are still taking place. Both the forward and reverse reactions are proceeding at the same rate when a reaction is in a state of equilibrium.
What happens to macroscopic properties at equilibrium?
When a reaction has reached equilibrium with a given set of conditions, if the conditions are not changed, the reaction will remain at equilibrium forever. The forward and reverse reactions continue at the same equal and opposite rates and the macroscopic properties remain constant
Which of the following is affected by a catalyst?
Answer: Option (d) Ea Therefore, the catalyst does not alter the Gibbs free energy. A catalyst increases the rate of a reaction by lowering the activation energy so that more reactant molecules collide with enough energy.
Which of the following is incorrect about Catalyst?
A catalyst does not affect the energies of reactants and products of the reaction and hence, the energies are same for both catalyzed and non-catalyzed reactions.
Which one of the following is incorrect about enzyme catalysis?
Which one of the following statements is incorrect about enzyme catalysis? Enzymes are denatured by ultraviolet rays and at high tempetaure. Enzymes are least reactive at optimum temperature. Enzymes are mostly proteinous in nature
How can a catalyst affect the reaction?
Catalysts are compounds that accelerate the rate of a reaction. Catalysts accelerate reactions by reducing the energy of the rate-limiting transition state. Catalysts do not affect the equilibrium state of a reaction.
Which of the following statement is correct about positive catalyst?
Positive catalyst increases the rate of reaction.