What does this mean

1.000 atm=101.3kpa

Choose all the answers that apply. ionic compounds dissolve easily in water do not dissolve in water have low melting points have high melting points conduct electricity when melted

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.

Why does a plastic bottle that is sealed at a high altitude change it’s shape when taken to lower altitude