Where is air pressure greater- In the Exosphere or Troposphere

Answers

Answer 1

Answer: The exosphere has greater air pressure becuase it higher above sea level. The tropshere is what we are living in now.

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The person whose work led to a periodic table based on increasing atomic number was
A gas is 90.82L at 29.8 atm and 99.9°C. What volume would the gas be at standard temperature and pressure.
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80.8g of calcium contain hot many atoms?
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A chemical equation is balanced if the number of each type of atom on the left side is equal to the number of each type on the right side. Is this reaction balanced? (pls help me )

Answers

Answer:

yes a balanced chemical equation

it follows law of mass action that states mass can neither be created nor destroyed

Answer:

nah its NOT

Explanation:

How can quartzite be distinguished from quartz sandstone? A. The mineral compositions are different.

B. Quartzite is not granular, while sandstone is granular.

C. Quartz sandstone has undergone metamorphism, while quartzite has not.

D. A broken piece of quartzite will break through, not around, quartz sand grains.

Answers

D. A broken piece of quartzite will break through, not around, quartz sand grains.

Quartzite and quartz sandstone have the same chemical formula (SiO_2)

Quartzite is a metamorphic rock. Heat and pressure have compressed the sand into a strong network of interlocking quartz grains.

Quartzite is so tough that it breaks through the sand grains rather than around them as in sandstone.

Answer:

D. A broken piece of quartzite will break through, not around, quartz sand grains

Explanation:

Which of the following supports the theory of continental drift?The depth of the oceans
The climate of the South American continent
The size of glaciers in Alaska
The fossil record

Answers

The answer to this question is the fossil record because they found fossils in different continents because of continental drift

Hello :) So the continental drift theory is basically saying that the continents were once attached in a big mass of land and drifted apart over time. The depth of the oceans don't really have anything to do with this. Neither does the climate in South America or the size of glaciers. Fossils of the same kind however, were found in several continents. This supports the theory that animals once roamed around in that area when the continents were attached. Hope this helps. :D

Can someone please help me?

Answers

the higher the pressure of the gas, the higher gas can dissolve in a solvent

higher pressure, less gas

I think

A 40.8 mol sample of methane gas, CH4(g), is placed in a1020 L container at 298 K.
What is the pressure, in atm, of the methane gas?
Express the answer using 3 significant figures.
atm

Answers

Answer:

P = 0.979 atm

Explanation:

Given data:

Number of moles of methane = 40.8 mol

Volume of container = 1020 L

Temperature = 298 K

Pressure of gas =?

Solution:

According to ideal gas equation,

PV = nRT

P = pressure

V = volume

n = number of moles

R = general gas constant

T = temperature

Now we will put the values,

P = nRT/V

P = 40.8 mol × 0.0821 atm.L/mol.K × 298 K / 1020 L

P = 998.2 atm /1020

P = 0.979 atm

What takes place among elements to form an ionic bond? A.
One or more electrons are transferred.

B.
One or more electron shells are shared.

C.
One or more electrons are shared.

D.
One or more electron shells are transferred.

Answers

I'm gonna go with A.One or more electrons are transferred.
Hope i helped :)

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A construction company recently filled in a local pond to build new houses. Duringthe following weeks, a local scientist noticed a decline in the mosquito population inthe area. The scientist wants to conduct a study that will measure the change in thelocal mosquito population over a period of three months. Which research methodwould give the scientist the best data for conducting his study?A. a three-month case study observing the behavior of animals that depend onmosquitoes for foodB. a survey asking residents about their observations of the local mosquitopopulationC. a collection device in the area that counts the number of mosquitoes caughtweeklyD. a controlled lab experiment with mosquitoes that limits watercolor theexperimental group