Hydrogen peroxide breaks down to form water and oxygen gas. When this reaction occurred, the following observations were made:I.
The mass of the solution remains the same.II. Phase changes are observed.III. The color of the solution remains clear.IV. The temperature of the solution increases. Which observation is evidence that a chemical change has occurred?
The sixth step in the writing process is Publishing, this step is important because it's a time to make sure no mistakes are visible, follow guidelines for paper, and PRESENTATION is key
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