How does the law of the conservation of mass apply to chemical reactions?
a. atoms cannot be added or lost in a chemical reaction.
b. atoms can be replaced with other types of atoms.
c. atoms can be lost in a chemical reaction but not added.
d. atoms cannot be rearranged in a chemical reaction,

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.

Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear

Which of the following is a physical property flammability heat of combustion solubility and toxicity