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ioda
3 years ago
14

There are islands in the ocean that grow larger the Hawaiian islands are good examples of this the reason that the islands were

formed and are still growing
is
Chemistry
1 answer:
vredina [299]3 years ago
3 0

Explanation:

The reasons that islands formed are still growing is simply because newer materials are being added to them.

  • A growing earth is as a result of addition of more materials arising from the mantle.
  • Generally, Volcanic islands forms as a result of magma that reaches the surface or ocean floor from deeper part of the earth.
  • This usually occurs in places around a plate boundary where materials upwells from the asthenosphere or shallow crustal melting.
  • As more materials are being melted, more also reaches the surface and continues to make the Island grow.

Learn more:

Volcanic eruptions brainly.com/question/5055821

#learnwithBrainly

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In general, which properties are common to elements within a single group on the periodic table?
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3 years ago
The vapor pressure of ethanol is 1.00 × 102 mmHg at 34.90°C. What is its vapor pressure at 60.21°C? (ΔHvap for ethanol is 39.3 k
Delicious77 [7]

Answer:

The vapor pressure at 60.21°C is 327 mmHg.

Explanation:

Given the vapor pressure of ethanol at 34.90°C is 102 mmHg.

We need to find vapor pressure at 60.21°C.

The Clausius-Clapeyron equation is often used to find the vapor pressure of pure liquid.

ln(\frac{P_2}{P_1})=\frac{\Delta_{vap}H}{R}(\frac{1}{T_1}-\frac{1}{T_2})

We have given in the question

P_1=102\ mmHg

T_1=34.90\°\ C=34.90+273.15=308.05\ K\\T_2=60.21\°\ C=60.21+273.15=333.36\ K\\\Delta{vap}H=39.3 kJ/mol

And R is the Universal Gas Constant.

R=0.008 314 kJ/Kmol

ln(\frac{P_2}{102})=\frac{39.3}{0.008314}(\frac{1}{308.05}-\frac{1}{333.36})\\\\ln(\frac{P_2}{102})=4726.967(\frac{333.36-308.05}{333.36\times308.05})\\\\ln(\frac{P_2}{102})=4726.967(\frac{25.31}{333.36\times308.05})\\\\ln(\frac{P_2}{102})=4726.967(\frac{25.31}{102691.548})\\\\ln(\frac{P_2}{102})=1.165

Taking inverse log both side we get,

\frac{P_2}{102}=e^{1.165}\\\\P_2=102\times 3.20\ mmHg\\P_2=327\ mmHg

8 0
3 years ago
The nearest whole number of 99.59
Anna [14]
It is 100 because a 5 and up means you round up. also the 9 makes it a 6 rounded up
7 0
4 years ago
Read 2 more answers
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