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Marysya12 [62]
3 years ago
15

What are the two main reasons why most metals are more dense than most plastic and wood?

Chemistry
1 answer:
Viktor [21]3 years ago
3 0

Answer:

Most common metals like aluminum, copper, and iron are denser than wood. The atoms that makeup metals are generally heavier than the atoms in plastic and wood and they are packed closer together.

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Since the question is incomplete, the table has been searched in order to comply with the question.

Based on the table that I have provided, the order of increasing depth from shallowest to deepest are the following; A,B,C,D,E. The reason that this is the order to be chosen because the one responsible for making water dense is the salt that is on the water and by that, the base is likely to sink whereas the ones with less salt won’t be as thick compared those who have much salt and will skim on its top.

7 0
3 years ago
Sodium carbonate can be made by heating sodium bicarbonate: 2NaHCO3(s) → Na2CO3(s) + CO2(g) + H2O(g) Given that ΔH° = 128.9 kJ/m
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Answer:

[tex]128^{o}C[/tex]minimum temperature will the reaction become spontaneous.

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\Delta G=\Delta H-T \Delta S

From the given,

\Delta G^{o}=33.1

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33.1=128.9-298 \Delta S

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Therefore, 128^{o}Cminimum temperature will the reaction become spontaneous.

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