Answer:
true. m (↑) ⇒ n (↑)
Explanation:
- mass (m) ≡ moles ( n) × moleculas weight ( Mw )
In the previous expression, we appreciate that the mass is directly proportional to the moles; therefore, if the mass of the sample increases, its number of moles will also increase, since the molecular weight is always constant.
∴ m (↑) ⇒ n (↑)
Answer:
None of carbonyl group is attached to hydrogen atoms.
Explanation:
Ketone is a group in which one carbonyl group is attached to two R ( the alkyl group) .
And the group in which two hydrogen is attached to R is called as aldehyde (formaldehyde).
And when one hydrogen and one alkyl group is attached to R. It is called as acetaldehyde from aldehyde family.
Read more about ketone :
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The product is magnesium sulfate plus hydrogen gas,as per this equation:
<span>Mg + H2SO4 = MgSO4 + H<span>2(g)</span></span>
Answer: A
Explanation:
An acid is a substance that dissolves in water to produce proton (H +), which then combines with Water molecule (H2O) to give Hydroxonium ion (H3O +).
Acid also have a pH value below 7 on the pH scale.
