According to the table, what was the hiker’s total displacement?
2 answers:
Answer:
0, Below is the diagram for reference.
Explanation:
Let us assume hiker is starting from origin.
Positive represents 'North'.
Positive represents 'East'.
Negative represents 'South'.
Negative represents 'West'.
Hiker is starting from , travels
on
, then
(negative
), then
to the
(negative
), again
up.
Then he reaches the same starting point O.
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Answer: moles
Explanation:
According to avogadro's law, 1 mole of every substance weighs equal to molecular mass , occupies 22.4 L at STP and contains avogadro's number of particles.
To calculate the moles, we use the equation:
Given mass of ethanol = 0.2301
Molar mass of ethanol = 46.07 g/mol
Thus there are moles of ethanol are present in the sample.