Answer:
40.7 kJ
Step-by-step explanation:
The formula for the heat, q, needed to evaporate a liquid is
q = mΔHvap
<em>Data: </em>
m = 180 g
ΔHvap = 2260 J/g
<em>Calculation:
</em>
q = 180 g × 2260 /1
q = 40 700 J = 40.7 kJ
litmus paper
Because it will just tell if the solution is acidic or basic, it won't tell the pH
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Answer:
Pelting point.
Explanation:
Freezing point is the same is the melting point.
