.When dilute HCl is added to powdered egg shell, a gas is formed. a) Name the gas formed. (1) b) Write the name of acid formed when this gas dissolves in water. (1) c) Give the name of the salt formed when this acid reacts with potassium hydroxide.(1)

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.

Although respiratory organs vary across different organisms, they all contain respiratory surfaces that have a large surface area and are extremely thin. explain why having an extremely thin respiratory surface with a large surface area is advantageous for the process of gas exchange

Name the intersection of plane bpq and plane cpq.