What is the definition of a catalyst? Group of answer choices
1. A substance that speeds up a reaction while being consumed in the process
2. A product in a chemical reaction
3. A substance that dissolves all the reactants
4. A reactant in a chemical reaction
5. A substance that speeds up a reaction without being consumed in the process

If the particles in a sample of matter have an orderly arrangement and move only in place, the sample is a

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.

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