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Lerok [7]
3 years ago
9

Can someone help me with these two questions

Chemistry
1 answer:
sergiy2304 [10]3 years ago
6 0
4. The pressure of the inner core is higher than the outer core

5. The coolest layers are farthest from the core
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What is anisotropy.Explain briefly with example.
Zarrin [17]

Explanation:

Anisotropy is the property of being directionally dependent, which implies different properties in different directions, as opposed to isotropyAn example of anisotropy is light coming through a polarizer. Another is wood, which is easier to split along its grain than across it.

8 0
3 years ago
Name one gas that can form when the carbon in coal burns! And describe its harmful effects
nalin [4]
Coal is mainly made of carbon and there’s oxygen in the air so this burns to produce carbon dioxide. Breathing it can really hurt your lungs.
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3 years ago
Write the formular of the compound formed when element D and oxygen react together​
miss Akunina [59]

Answer:

D oxide

Explanation:

Hope this helped!

4 0
2 years ago
How to calculate average mass in grams?
Dafna1 [17]

Explanation:

hope these help you answer

7 0
3 years ago
Aqueous hydrobromic acid hbr will react with solid sodium hydroxide naoh to produce aqueous sodium bromide nabr and liquid water
Natalka [10]
 Balanced equation is

HBr + NaOH ----> NaBr + H2O

Using molar masses

80.912 g HBr reacts with  39.997 g of Naoh to give 18.007 g water

so 1 gram of NaOH reacts with 2.023 g of HBR   
and 5.7 reacts with 11.531 g HBr so we have excess HBr in this reaction

Mass  of water produced  =    (5.7 * 18.007 / 39.997  =  2.6 g to 2 sig figs
8 0
3 years ago
Read 2 more answers
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