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FromTheMoon [43]
2 years ago
7

2. What pressure is required to compress 196.0 L of air at 1.00 atmosphere into a cylinder

Chemistry
1 answer:
damaskus [11]2 years ago
3 0

Answer:

<h2>7.54 atm </h2>

Explanation:

The required pressure can be found by using the formula for Boyle's law which is

P_2 =  \frac{P_1V_1}{V_2}  \\

where

P1 is the initial pressure

P2 is the final pressure

V1 is the initial volume

V2 is the final volume

From the question we have

P_2 =  \frac{1 \times 196}{26}  =  \frac{196}{26}   \\ = 7.538461...

We have the final answer as

<h3>7.54 atm </h3>

Hope this helps you

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Assessment
Lilit [14]

Answer:

how do i calculate that?tell me how and i will try to do your math

5 0
3 years ago
2.00 L of a gas is collected at 25.0°C and 745.0 mmHg. What is the volume at 760.0 mmHg
Leviafan [203]

1.7960L

Explanation:

the mass of the gas is constant in both instances

pv/T=constant(according to pv=nRT)

745mmHg*2L/298K=760mmHg*v/273K

v=1.7960L

5 0
3 years ago
What is the freezing point of a solution prepared from 45.0 g ethylene glycol (C2H6O2) and 85.0 g H2O? Kf of water is 1.86°C/m.
Andrews [41]

Answer:

T_{sol}=-15.9\°C

Explanation:

Hello,

In this case, we can analyze the colligative property of solutions - freezing point depression - for the formed solution when ethylene glycol mixes with water. Thus, since water freezes at 0 °C, we can compute the freezing point of the solution as shown below:

T_{sol}=T_{water}-i*m*Kf

Whereas the van't Hoff factor for this solute is 1 as it is nonionizing and the molality is:

m=\frac{mol_{solute}}{kg\ of\ water}=\frac{45.0g*\frac{1mol}{62g} }{85.0g*\frac{1kg}{1000g} } =8.54m

Thus, we obtain:

T_{sol}=0\°C+(-8.54m*1.86\frac{\°C}{m} )\\\\T_{sol}=-15.9\°C

Best regards.

6 0
3 years ago
Which group of elements are the most reactive
Inga [223]

Answer:

The most reactive group of elements are found in group 1 which are alkali metals.

Explanation:

The reason why they are so reactive is because they only electron in the outer shell so this causes the to lose that one electron in ionic bonding with other elements.

8 0
4 years ago
What is the relationship between the length of daylight and the sun's angle
irina1246 [14]
The earths rotation tilts around 23.5 degrees on its pole axis, relative to the plane of earths solar system orbit around the sun. as earth orbits the sun, this creates a 47 degree solar altitude angle
5 0
4 years ago
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