anonymous
  • anonymous
If the average speed of a helium atom at a certain temperature is 1230. m/s, what is the speed in miles per hour? (1mi =1609m)
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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Rushwr
  • Rushwr
You just have to convert the units !
anonymous
  • anonymous
I need help setting up the problem, please.
Rushwr
  • Rushwr
okai ! The helium atom goes 1230m in 1 s right/ We have to find it in miles per hour !

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anonymous
  • anonymous
right
Rushwr
  • Rushwr
\[speed = Distance / time \]
Rushwr
  • Rushwr
Now we have to convert the units if 1 mile= 1609m 1230m would be equal to 1230/ 1609 miles right?
anonymous
  • anonymous
yes
Rushwr
  • Rushwr
So what do u get for miles >
anonymous
  • anonymous
Okay. I think I got it. So (1230m/1s) x (3600s/1h) x (1mi/1609m) = 2.752 x 10^3 mi/h
anonymous
  • anonymous
Is that right?
Rushwr
  • Rushwr
nop
anonymous
  • anonymous
What did I do wrong then?
Rushwr
  • Rushwr
U have to divide the distance by hours ! You have multiplied them !
anonymous
  • anonymous
Oh. I did.
anonymous
  • anonymous
I'm not really good at drawing it out on here. Sorry.
Rushwr
  • Rushwr
It's okai !
anonymous
  • anonymous
Thanks for helping me out!
anonymous
  • anonymous
The program took my answer.
Rushwr
  • Rushwr
yeah it is 2.12 x 10^-4 around ! Just calculate and see i ddnt go thru it muchl.
anonymous
  • anonymous
Alright. Thanks!
Rushwr
  • Rushwr
Anytym :)

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