A student makes a cross-section clay model to represent the internal structure of a volcano that leads to the formation of two r
ocks (X and Y). The student records the processes that
affect the type of rock that is formed in a table,
volcano
aboveground
underground
K
Process
1
2
3
Details
rate of cooling of the rock
composition of the rock
pressure exerted on the rock
Which process(es) cause(s) the rock formed at location X to be different from the rock formed at location Y?
1 only
2 only
• 1 and 3
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2 and 3
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affect the type of rock that is formed in a table,
volcano
aboveground
underground
K
Process
1
2
3
Details
rate of cooling of the rock
composition of the rock
pressure exerted on the rock
Which process(es) cause(s) the rock formed at location X to be different from the rock formed at location Y?
1 only
2 only
• 1 and 3
Activate Windows
Go to Settings to activate Windows.
2 and 3
Tas PM
1 answer:
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Answer:
Likely (indium.)
Explanation:
Number of atoms: .
Dividing, , the number of atoms by the Avogadro constant,
, would give the number of moles of atoms in this sample:
.
The mass of that many atom is . Estimate the average mass of one mole of atoms in this sample:
.
The average mass of one mole of atoms of an element ( in this example) is numerically equal to the average atomic mass of that element. Refer to a modern periodic table and look for the element with average atomic mass
. Indium,
, is the closest match.