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JulijaS [17]
3 years ago
7

What is the idea of continental Drift?

Chemistry
2 answers:
Sladkaya [172]3 years ago
6 0

Continental drifts was a theory that explained in how continent shift position on the earth surface.

The theory was presented in 1912 by Alfred Wegener, who was a geophysicist and meteorologists. The theory also explained the reason why plant and animal fossils that look similar are found all over the continents.

<h2>Further Explanation</h2>

Wegener had the thought that all the different continents were at a point joined together before it breaks up and moves to their present position.  

Wegener published a book in 1915 called "The Origin of Continents and Oceans. In this book, he further explained the theory of continental drifts but the theory was widely criticized by geologists because to them, wegener did not have a good model to properly explain how the continent drifted apart.

From Wegener explanation, there were certain things he laid emphasis on, which were very accurate, like the observation about fossils and rock. Wegener thought that the Continent might have plowed through the ocean crust just like icebreakers smashing through ice.

Although, Weneger continental drift theory was discarded but there are certain facts that he established. The theory brought the idea of moving continents to geoscience and after many decades, scientists confirms most of the things the theory covered. For example, the idea that the past existence of supercontinent joined all the landmass of the world as one.

LEARN MORE:

  • idea of Continental Drift brainly.com/question/367876

KEYWORDS:

  • continental drift
  • animal and plant fossil
  • Alfred Wegener
  • geoscience
  • landmass
hodyreva [135]3 years ago
5 0
The idea is that all continents move at a rate of approximately 2 inches per year because their moving ever since pangea (all continents were one) separated
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Alexxandr [17]

Answer:

5.06 atm

Explanation:

Step 1:

Data obtained from the question. This includes:

Mass of S2O = 175g

Volume (V) = 16600 mL

Temperature (T) = 195°C

Pressure (P)

Step 2:

Determination of the number of mole of S2O in 175g of S2O.

Mass of S2O = 175g

Molar Mass of S2O = (32x2) + 16 = 64 + 16 = 80g/mol

Number of mole of S2O =.?

Number of mole = Mass/Molar Mass

Number of mole of S2O = 175/80

Number of mole of S2O = 2.1875 moles

Step 3:

Conversion to appropriate units.

It is essential to always express the various variables in the right units of measurement in order to obtain the desired answer in the right units.

For volume:

1000mL = 1L

Therefore, 16600mL = 16600/1000 = 16.6L

For temperature:

Temperature (Kelvin) = temperature (celsius) + 273

Temperature (celsius) = 195°C

Temperature (Kelvin) = 195°C + 273 = 468K

Step 4:

Determination of the pressure.

The pressure can be obtained by the application of the ideal gas equation. This is illustrated below:

Volume (V) = 16.6L

Temperature (T) = 468K

Number of mole (n) = 2.1875 moles

Gas constant (R) = 0.082atm.L/Kmol

Pressure (P) =

PV = nRT

P x 16.6 = 2.1875 x 0.082 x 468

Divide both side by 16.6

P = (2.1875 x 0.082 x 468) /16.6

P = 5.06 atm

Therefore, the pressure is 5.06 atm

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Number 39! Please explain step by step!!!
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Answer:

The answer to your question is The honda civic hybrid weights 13181.8 N or 1318.2 kg

Explanation:

Data

Weight = 2900 lb

Weight = ? N

mass = ? kg

1 kg ------- 10 N

0.22lb ---- 1N

Use proportions to solve this problem

                        0.22 lb ------------------- 1 N

                        2900 lb -----------------  x

                         x = (2900 x 1) / 0.22

                         x = 2900 / 0.22

                        x = 13181.8 N

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                           x     ----------------------- 13181.8 N

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julsineya [31]

Answer:

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Explanation:

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Also, as 1.0 M solution of AgNO₃ contains 1 mole per 1 liter or 1000 mL, therefore, the volume of AgNO₃ that will contain 0.09993 moles is given as follows;

0.09993 × 1 Liter/mole= 0.09993 L = 99.93 mL

Therefore, the volume of 1.0 AgNO₃ that would be required to precipitate 5.84 grams of NaCl is 99.93 ml.

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4 years ago
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