Which arrow would most likely represent the phase change that involves the same amount of energy as arrow 1?

The chemical bond connecting one nucleotide with the next one along the nucleic acid chain is called a

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?

When a scientific theory has been tested and proved by the scientific community, it becomes a law