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anonymous

  • one year ago

If four moles of a gas at a pressure of 5.4 atmospheres have a volume of 120 Liters What is the Temperature?

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  1. anonymous
    • one year ago
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    |dw:1444169877346:dw| Is that how you set it up?

  2. Photon336
    • one year ago
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    yes you are correct but make sure you re-arrange the formula FIRST and then put in the numbers. Start with this formula \[pV = nRT\] ask your self what are we looking for? Temperature. so we solve for T \[\frac{ pV }{ nR } = T\] \[\frac{ 5.4atm*120L }{ 4.0mol*0.082mol ^{-1} L,atm, K ^{-1}} = T, \in kelvins\]

  3. Photon336
    • one year ago
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    @Gir_16

  4. anonymous
    • one year ago
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    ok

  5. Photon336
    • one year ago
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    does this make sense to you @Gir_16 ?

  6. anonymous
    • one year ago
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    kinda but the part near the end were it says l atm k.. would I multiply those? and bye what??

  7. anonymous
    • one year ago
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    @Photon336

  8. Photon336
    • one year ago
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    @Gir_16 those are just units, all you would have to do is divide (5.4*120)/(4*0.82) the units are just to show you that they cancel out and you're left with Temperature. let me show you

  9. anonymous
    • one year ago
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    ok

  10. Photon336
    • one year ago
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    |dw:1444171210243:dw|

  11. anonymous
    • one year ago
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    ok

  12. Photon336
    • one year ago
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    @Gir_16 as you can see all the units cancel out and we're left with temperature that's what we must find

  13. anonymous
    • one year ago
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    ok

  14. Photon336
    • one year ago
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    just remember to always solve for the variable you're looking for FIRST then put in the numbers.

  15. anonymous
    • one year ago
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    kk tanks

  16. Photon336
    • one year ago
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    np take care

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