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Vladimir [108]
3 years ago
10

Every year 5.5 billion tons of carbon is released through burning fossil fuels . Compare this to the weight of adult African ele

phant
Chemistry
1 answer:
Elodia [21]3 years ago
5 0
If it is just a comparison, then it is nice to state that an Adult African Elephant can usually weigh up to 6.6 tons. Just regular 6.6 tons. No millions, no billions, no hundreds. So the weight of that elephant is 0.00000012% of the total amount of carbon released through burning fossil fuels. 

In all fairness to the elephant, the atmosphere is really heavy and is much more bigger than an elephant, so this isn't really a surprising answer
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Two identical containers, one red and one yellow, are inflated with different gases at the same volume and pressure. Both contai
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Answer:

8

Explanation:

Here we're dealing with the root mean square velocity of gases. We'll provide the formula in order to calculate the root mean square velocity of a gas:

v_{rms}=\sqrt{\frac{3RT}{M}}

Here:

R = 8.314 \frac{J}{K mol} is the ideal gas law constant;

T is the absolute temperature in K;

M is the molar mass of a compound in kg/mol.

We know that the gas from the red container is 4 times faster, as it takes 4 times as long for the yellow container to leak out, this means:

\frac{v_{rms, red}}{v_{rms, yellow}} = 4

We also know that the temperature of the red container is twice as large:

\frac{T_{red}}{T_{yellow}} = 2

Write the ratio of the velocities and substitute the variables:

\frac{v_{rms, red}}{v_{rms, yellow}}=\frac{\sqrt{\frac{3RT_{red}}{M_{red}}}}{\sqrt{\frac{3RT_{yellow}}{M_{yellow}}}}=4

Then:

\frac{\sqrt{\frac{3RT_{red}}{M_{red}}}}{\sqrt{\frac{3RT_{yellow}}{M_{yellow}}}}=\sqrt{\frac{3RT_{red}}{M_{red}}\cdot \frac{M_{yellow}}{3RT_{yellow}}}=\sqrt{\frac{T_{red}}{T_{yellow}}\cdot \frac{M_{yellow}}{M_{red}}}=4

From here:

16 = \frac{T_{red}}{T_{yellow}}\cdot \frac{M_{yellow}}{M_{red}}

Then:

\frac{M_{yellow}}{M_{red}} = \frac{16}{\frac{T_{red}}{T_{yellow}}} = \frac{16}{2} = 8

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