Consider the following chemical reaction between a strong acid and a metal at equilibrium: 2HCl(g) + Na(s) \rightleftharpoons 2NaCl(s) + H2(g)
How would the equilibrium be perturbed when more Na(s) is added to the system?

What can be added to the examples section of each circle? endothermic: ice melting into water, and a heat pack becoming warm exothermic: a glow stick glowing, and fireworks exploding endothermic: ice melting into water, and an instant ice pack turning cold exothermic: fireworks exploding, and gasoline burning endothermic: a glow stick glowing, and a heat pack becoming warm exothermic: an instant ice pack turning cold, and ice melting into water endothermic: gasoline burning, and an instant ice pack turning cold exothermic: ice melting into water, and an instant ice pack turning cold

Can someone me with these questions plz.

Which of the dna typing techniques do you think you would choose if you had to analyze a dna sample? why?