Physical change only change the appearances of a substance, not it’s chemical composition. Chemical changes cause an entirely new substance with new chemical formula.
Answer:
1:1
Explanation:
What is the concentration of H+ ions at a pH = 7?
⇒ 0.0000001 mol/L
What is the concentration of OH– ions at a pH = 7?
⇒ 0.0000001 mol/L
What is the ratio of H+ ions to OH– ions at a pH = 7?
1 :1
Answer:
An articulation agreement guarantees that classes completed at one school will count as credit toward a specific degree program when a student transfers to another college.
Explanation:
All organic compounds have carbon in common
The answer, is bryophytes are also called pioneer plants.
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