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4 years ago

What technology allowed scientists to collect new data on layers of the earth

1 answer:

wel4 years ago

7 0

Scientists can learn about the different layers of earth by observing the seismic waves that are recorded all over the surface of the earth from distant earthquakes.

Basically the answer is Seismic-Wave Data :)

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The stopcock connecting a 3.06 L bulb containing methane gas at a pressure of 9.61 atm, and a 6.65 L bulb containing oxygen gas

Contact [7]

Answer : The final pressure in the system is 4.22 atm.

Explanation :

First we have to calculate the moles of methane.

$PV=n_1RT$

where,

P = pressure of gas = 9.61 atm

V = volume of gas = 3.06 L

T = temperature of gas = T

$n_1$ = number of moles of methane gas = ?

R = gas constant

Now put all the given values in the ideal gas equation, we get:

$(9.61atm)\times (3.06L)=n_1\times RT$

$n_1=\frac{29.4}{RT}$

Now we have to calculate the moles of oxygen gas.

$PV=n_2RT$

where,

P = pressure of gas = 1.75 atm

V = volume of gas = 6.65 L

T = temperature of gas = T

$n_2$ = number of moles of oxygen gas = ?

R = gas constant

Now put all the given values in the ideal gas equation, we get:

$(1.75atm)\times (6.65L)=n_2\times RT$

$n_2=\frac{11.6}{RT}$

Now we have to determine the final pressure in the system after mixing the gases.

$P_{total}=(n_1+n_2)\times \frac{RT}{V_{total}}$

where,

$P_{total}$ = final pressure of gas = ?

$V_{total}$ = final volume of gas = (3.06 + 6.65)L = 9.71 L

T = temperature of gas = T

R = gas constant

Now put all the given values in the ideal gas equation, we get:

$P_{total}=(\frac{29.4}{RT}+\frac{11.6}{RT})\times \frac{RT}{9.71L}$

$P_{total}=4.22atm$

Therefore, the final pressure in the system is 4.22 atm.

4 0

3 years ago

Given the formula 4f10, what does the 10 stand for?

egoroff_w [7]

I have not idea sorry

5 0

3 years ago

Which subatomic particles are found in the nucleus of a lithium atom?

marin [14]

Answer:

Protons, neutrons, electrons..

Explanation:

Protons and neutrons consist of quarks which are stuck together by tiny things called gluons.

Hope this helps! :)

4 0

3 years ago

Which term below represents a pure substance that can be separated chemically but cannot be separated physically that is made up

Nastasia [14]

C.molecules- made up of more than one atom and can only be broken by chemical means

8 0

3 years ago

An electric kettle draws a current of 6.50 A while it is plugged into a 120-V

Umnica [9.8K]

Answer:

780 watts

Explanation:

formula to find power when given amps and voltage

P = A x V

=6.50a x 120V

= 780 W (watts)

7 0

3 years ago