Which phrase most accurately describes a chemical change? Question 7 options:

A change in taste

A change on the molecular level

A change in form

A change in appearance

7. in the cycle, a virus integrates its dna into the host's dna, and its dna is replicated when the host dna is replicated. a. infectious b. retroviral c. lysogenic d.lytic

What is the vapor pressure of a solution with a benzene to octane?

If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution