Acids: taste sour, has a pH less than 7
bases: tastes bitter, has a pH greater than 7
Effects of changes in volume in a reversible reaction in a chemical equilibrium can be predicted using Le Chatelier's Principle. I think this might be the answer, I hope it helps.
A stars life cycle is determined by its mass it depends on the path so if it’s a large or small there life cycle
C. 25 Miles
This is because you have 12.5 moles of water and using the ratio this is 2 (molar ratio). Therefore the molar ratio for HF is 4, so 12.5 x 2 = 25 moles
