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hydrogen bonds can occur between hydrogen atoms of one molecule and sulfur atoms of another molecule.

Asample of aluminum foil contains 8.60 × 1023 atoms. what is the mass of the foil?

Frictional forces acting on an object are often converted into energy, which causes the temperature of the object to rise slightly.

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.