2 years ago

In which sample is the average kinetic energy of the particles the greatest?

1 answer:

6 0

Temperature is a measurement of average kinetic energy of the particles in a sample which means that the sample with the highest temperature has the highest average kinetic energy of the particles.

That being said the answer would be 4) 10 mL of H2O (l) at 35 degrees Celsius since that sample has the largest temperature.

I hope this helps. Let me know if anything is unclear.

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so I am working on this question for chemestry and can't figure out the format it wants since I am blind. The question states Wr

skelet666 [1.2K]

Answer:

$Positron\rightarrow _{1} ^{0}e$

Explanation:

lets take the particle is X, the given decay reaction can be written as follows

$_{25} ^{49}Mn\rightarrow _{24}^{49}Cr+X$

Now by using mass balancing:

The sum of the mass of right hand side=The sum of the mass of left hand side

49=49+M

M=0

Now by using atomic number balancing:

Atomic number on right side=Atomic number on left side

25 = 24 + Z

Z=1

Therefore we can say that , the mass of that unknown particle is 0 unit and atomic number is 1.

Thus that particle will be positron.

$Positron\rightarrow _{1} ^{0}e$

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$http://apchemresources2014.weebly.com/uploads/9/7/6/4/9764824/mass_spectrometry.pdf$

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