-Acids release hydrogen ions
-Acids taste sharp
-Some Acids can cause serious burns
The answer is "All of the above"
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Answer: a.
:
is negative
b.
:
is negative
c.
:
is negative
Explanation:
Entropy is the measure of randomness or disorder of a system. If a system moves from an ordered arrangement to a disordered arrangement, the entropy is said to decrease and vice versa
a) 
In this reaction 2 moles of gaseous reactants are converting to 1 mole of gaseous products. The randomness will decrease and hence entropy will also decrease. Thus
is negative.
b) 
In this reaction solid reactants are converting to aqueous products. The randomness will increase and hence entropy will also increase. Thus
is positive.
c) 
In this reaction aqueous reactants are converting to solid products. The randomness will decrease and hence entropy will also decrease. Thus
is negative
2.4 mol NaSO2 × (6.02×10^23) f.units ÷ 1 mol
=1.44480000×10^25
Approximately 1.4×10^25, if you use sig.figs.
Because dalton had the facts from other's experiments. Democritus just had an unproven theory.
Answer:
Please find the attached file for the complete solution:
Explanation: