5g
Anything between 4 and 6 is ok.
Answer:
I think it might be elements and compounds! I may be wrong though.
Answer:A hypothesis or model is called falsifiable if it is possible to conceive of an experimental observation that disproves the idea in question.
Explanation:That is, one of the possible outcomes of the designed experiment must be an answer, that if obtained, would disprove the hypothesis.
In physical science applying a force over a displacement is called work.
Answer:
5 H atoms per NH4OH
Explanation:
5NH4OH
NH4OH is a chemical formula. It has 5 H atoms per each molecule. NH<em><u>4</u></em>O<em><u>H</u></em>
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5NH4OH means 5 molecules (or moles) of NH4OH. But the question asks per chemical formula, so 5 is correct,
There would be 5x4 or 20 atoms of H is 5 molecules of NH4OH.
