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Kisachek [45]
2 years ago
12

A tank contains gas at 13.0°C pressurized to 10.0 atm. The temperature of the gas is increased to 95.0°C, and half the gas is re

moved from the tank. What is the pressure of the remaining gas in the tank?
Physics
1 answer:
fomenos2 years ago
4 0

Answer:

The pressure of the remaining gas in the tank is 6.4 atm.

Explanation:

Given that,

Temperature T = 13+273=286 K

Pressure = 10.0 atm

We need to calculate the pressure of the remaining gas

Using equation of ideal gas

PV=nRT

For a gas

P_{1}V_{1}=nRT_{1}

Where, P = pressure

V = volume

T = temperature

Put the value in the equation

10\times V=nR\times286....(I)

When the temperature of the gas is increased

Then,

P_{2}V_{2}=\dfrac{n}{2}RT_{2}....(II)

Divided equation (I) by equation (II)

\dfrac{P_{1}V}{P_{2}V}=\dfrac{nRT_{1}}{\dfrac{n}{2}RT_{2}}

\dfrac{10\times V}{P_{2}V}=\dfrac{nR\times286}{\dfrac{n}{2}R368}

P_{2}=\dfrac{10\times368}{2\times286}

P_{2}= 6.433\ atm

P_{2}=6.4\ atm

Hence, The pressure of the remaining gas in the tank is 6.4 atm.

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Given

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time taken to complete 22 m

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22=\frac{1}{2}gt^2

t=\sqrt{\frac{22\times 2}{g}}

t=2.11 s

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3 years ago
Which part(s) of the electromagnetic spectrum are visible to humans?
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Color aka the visible light spectrum
4 0
3 years ago
PLZ HELP ME!!!!!!!!
mote1985 [20]

Answer:

1.     Frequency = speed / wavelength

here we know

speed = 343 m/s

wavelength = 0.77955 m

now frequency is given by  

f = \frac{343m/s}{ 0.77955m}

f = 440 Hz  

2.     Frequency = speed / wavelength

here we know

speed = 343 m/s

wavelength = 0.52028 m

now frequency is given by  

f = \frac{343m/s}{ 0.52028m}

f = 659.3 Hz

3.     Frequency = speed / wavelength

here we know

speed = 343 m/s

wavelength = 0.65552 m

now frequency is given by  

f = \frac{343m/s}{ 0.65552m}

f = 523.25 Hz  

4.     Wavelength = speed / Frequency

here we know

speed = 343 m/s

Frequency = 587.33 Hz

now wavelength is given by  

\lambda = \frac{343m/s}{587.33}

\lambda = 0.584 m    

5.     Wavelength = speed / Frequency

here we know

speed = 343 m/s

Frequency = 493.88 Hz

now wavelength is given by  

\lambda = \frac{343m/s}{493.88}

\lambda = 0.6945 m    

6.     Wavelength = speed / Frequency

here we know

speed = 343 m/s

Frequency = 698.46 Hz

now wavelength is given by  

\lambda = \frac{343m/s}{698.46}

\lambda = 0.491 m    

7.     Frequency = speed / wavelength

here we know

speed = 343 m/s

wavelength = 0.5840 m

now frequency is given by  

f = \frac{343m/s}{0.5840m}

f = 587.3 Hz  

8.     Frequency = speed / wavelength

here we know

speed = 343 m/s

wavelength = 0.4375 m

now frequency is given by  

f = \frac{343m/s}{0.4375m}

f = 784 Hz  

9.     Wavelength = speed / Frequency

here we know

speed = 343 m/s

Frequency = 783.99 Hz

now wavelength is given by  

\lambda = \frac{343m/s}{783.99}

\lambda = 0.4375 m    

10.  Wavelength = speed / Frequency

here we know

speed = 343 m/s

Frequency = 659.26 Hz

now wavelength is given by  

\lambda = \frac{343m/s}{659.26}

\lambda = 0.520 m    

4 0
3 years ago
Read 2 more answers
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