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
Activate Windows
Go to Settings to activate Windows.
2 and 3
Tas PM
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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The Lewis acids are electron pair acceptors due to the availability of vacant orbitals they accept electrons from the donor compounds.
is a Lewis acid due to the unfilled valence shell on carbon atom (possessing positive charge) it accepts electron readily.
is not a Lewis acid due to the presence of negative charge which represents that there are electrons available for donation.
is not a Lewis acid due to the presence of lone pair on nitrogen which is easily donated to the acceptors.
is a Lewis acid due to the availability of vacant p-orbital on boron atom.
Hence, and
are Lewis acids.