.GCE O-Level

Find the value of x if 2x+4=10

What type of reaction occurs when ammonia gas reacts with hydrogen chloride gas?

A. acid-base

B. displacement

C. redox

D. substitution

The particles in a system are always in what kind of motion?

At equilibrium, the amount of product(s) and reactant(s) is constant. Which of the following would increase the amount of product in a reaction?

A. Remove the product from the reaction vessel

B. Add more product to the reaction vessel

C. Increase the temperature of the reaction mixture

D. Increase the pressure of the reaction vessel

The Haber process is a reversible reaction. If the reaction were at equilibrium, hydrogen, and nitrogen would be produced as quickly as ammonia gas was being broken down. How is the forward reaction rate increased?

If a secondary coil has 40 turns and a primary coil with 20 turns is charged with 50 V of potential difference, then the potential difference in the secondary coil would be

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