A balloon contains 2500 mL of helium gas at 75 °C. What is the final volume, in mL of the gas when the temperature changes to each 240 K, if pressure and amount of gas does not change?

a. 1700 mL
b. 3625 mL
c. 1724 mL
d. 3600 mL

The diagram below shows a cell placed in a solution.a cell is shown placed inside a beaker. it is labeled cell. the solution inside the beaker is labeled 40% salt solution and the solution inside the cell is labeled 20% salt solution.only water is allowed to move in and out of the cell. what will most likely happen to the cell? it will expand as water moves out of it. it will shrink as water moves out of it.it will expand as water moves into it. it will shrink as water moves into it.

What relationship exists between an enzyme and a catalyst?

With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals