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Rufina [12.5K]
3 years ago
11

Pleaseeee helpppppppp

Chemistry
1 answer:
Minchanka [31]3 years ago
7 0

Answer:

C. The third option

Explanation:

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Picture of gas laws question below:
Vera_Pavlovna [14]

Volume of the tank is 5.5 litres.

Explanation:

mass of the CO2 is given 8.6 grams

Pressure of the gas is 89 Kilopascal which is 0.8762 atm

Temperature of the gas is 29 degrees ( 0 degrees +273.5= K) so (29+273)

R = gas constant 0.0821 liter atmosphere per kelvin)

FROM THE IDEAL GAS LAW

PV=nRT ( P Pressure, V Volume, n is number of moles of gas, R gas constant, Temperature in Kelvin)

no of moles = mass/atomic mass

                    =  8.6/44

                    = 0.195 moles

now putting the values in equation

V=nRT/P

  = 0.195*0.0821*302/ 0.8762

  = 5.5 litres.

As the carbon dioxide gas occupies the volume os the tank hence volume of tank is 5.5 litres.

4 0
3 years ago
Why are yeast cells used in making bread?
tatiyna

Answer:

Yeast is used for the leavening of bread. Yeast uses the sugars and oxygen in dough to produce more yeast cells and carbon dioxide gas. The carbon dioxide makes the dough rise which gives the bread a light and spongy texture. Yeast also works on the gluten network.

Explanation:

5 0
2 years ago
Is the climate change that Greenland is experiencing and will continue to experience a good thing or bad thing for Greenland and
KATRIN_1 [288]

Answer:

bad thing.

Explanation:

most of Greenland is an icy island with the only main population on the west coast.

Although this would probably open up more land for use; the rising sea levels are a much bigger threat comparatively with the perks of warmer climate.

8 0
3 years ago
Read 2 more answers
Which of the following best describes the role of the Supreme Court in protecting Americans' civil rights and liberties?
Citrus2011 [14]

Answer:

OB

Explanation:

 it protects civil rights and liberties by striking down laws that violate the Constitution.

8 0
3 years ago
Convert 125 kPa to atm<br><br>A. 12,700 atm<br><br>B. 0.164 atm<br><br>C. 1.23 atm​
JulijaS [17]

Answer:

c sounds like the most reasonable answer rember to always divide the pressure value by 101

6 0
3 years ago
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