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dedylja [7]
3 years ago
13

Which of the following energy choices makes carbon dioxide? *

Physics
2 answers:
EastWind [94]3 years ago
8 0
Which of the following energy choices makes carbon dioxide? *
Hydroelectric
Nuclear
Fossil Fuels
Wind
leonid [27]3 years ago
3 0
Fossil fuels makes carbon when they are burned
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The wavelengths for visible light rays correspond to which of these options?
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a baby carriage is sitting at the top of a hill that is 21 m high. the carriage with the baby has a mass of 1.5 kg. the carriage
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Height of baby carriage from ground = 21m

Mass of carriage with baby = 1.5 kg

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_______ do not have definite size or always take the shape of their container?
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Liquids do not have a definite size and always take the shape of the container they're in.

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The stopcock connecting a 2.14 L bulb containing oxygen gas at a pressure of 8.19 atm, and a 9.84 L bulb containing krypton gas
marshall27 [118]

Answer : The final pressure of the system in atm is, 3.64 atm

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Boyle's Law : It is defined as the pressure of the gas is inversely proportional to the volume of the gas at constant temperature and number of moles.

P\propto \frac{1}{V}

or,

P_1V_1+P_2V_2=P_fV_f

where,

P_1 = first pressure = 8.19 atm

P_2 = second pressure = 2.65 atm

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V_2 = second volume = 9.84 L

P_f = final pressure = ?

V_f = final volume = 2.14 L  + 9.84 L = 11.98 L

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

8.19atm\times 2.14L+2.65atm\times 9.84L=P_f\times 11.98L

P_f=3.64atm

Therefore, the final pressure of the system in atm is, 3.64 atm

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