Assuming that the solute consists entirely of nacl (in fact, over 90 % of the salt is indeed nacl ), calculate the osmotic pressure of seawater at 20 ∘c.

Did the universe cool off or get hotter as it expanded after the 'big bang"?

Essay questions may also be referred to as a. talk questions c. hard questions b. explain questions d. think questions

Earth takes in thermal energy from the sun in a process called . sunlight strikes earth’s surface at different angles. this angle is called the angle of . btw its