In a chemical reaction, water decomposes to form hydrogen and oxygen. what is the correct term for the water?

a.
an element

b.
an atom

c.
a product

d.
a reactant

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

Express the following number in scientific notation. 0.026890 =

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