How does a phenol red-containing solution look if co2 level is high?

Drive down any three characteristic of modern periodic table

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?