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Tentukan energi kinetik rata-rata dan energi dalam 5 mol gas ideal pada suhu 12 7 ∘ C jika gas tersebut adalah gas diatomik! ( k = 1 , 38 × 1 0 − 23 J / K ; N A ​ = 6 , 02 × 1 0 26 molekul / kmol )

Tentukan energi kinetik rata-rata dan energi dalam 5 mol gas ideal pada suhu C jika gas tersebut adalah gas diatomik!  

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Y. Maghfirah

Master Teacher

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Pembahasan

Pembahasan
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bold Diketahui bold colon n equals space 5 space mol space equals 5 cross times 10 to the power of negative 3 end exponent space kmol space T equals space 127 degree straight C equals space 400 straight K space left parenthesis suhu space sedang right parenthesis gas space diatomik f equals 5 k equals 1 comma 38 cross times 10 to the power of negative 23 end exponent straight J divided by straight K N subscript A equals 6 comma 02 cross times 10 to the power of 26 space molekul divided by kmol  bold Ditanya bold colon top enclose E subscript k end enclose space dan space U space equals space... ? space space bold Penyelesaian bold space bold colon bold Konsep bold colon bold Energi bold space bold kinetik bold space bold rata bold minus bold rata bold space bold space top enclose E subscript k end enclose space equals space italic 1 over italic 2 f k T bold Energi bold space bold dalam U italic equals N top enclose E subscript k end enclose italic space bold Pembahasan bold colon Energi space kinetik space rata minus rata space space top enclose E subscript k end enclose space equals space italic 1 over italic 2 f k T top enclose E subscript k end enclose italic space italic equals italic space italic 1 over italic 2 italic cross times italic 5 italic cross times italic 1 italic comma italic 38 italic cross times italic 10 to the power of italic minus italic 23 end exponent italic cross times italic 400 top enclose E subscript k end enclose italic space italic equals italic space italic 1 italic comma italic 38 italic cross times italic 10 to the power of italic minus italic 20 end exponent straight J  bold Energi bold space bold dalam U italic equals N top enclose E subscript k end enclose U italic equals n N subscript A top enclose E subscript k end enclose italic space italic space U italic equals italic 5 italic cross times italic 10 to the power of italic minus italic 3 end exponent italic cross times italic 6 italic comma italic 02 italic cross times italic 10 to the power of italic 26 italic cross times italic 1 italic comma italic 38 italic cross times italic 10 to the power of italic minus italic 20 end exponent U italic equals italic 41 italic. italic 538 italic space straight J  bold italic J bold italic a bold italic d bold italic i bold space bold italic b bold italic e bold italic s bold italic a bold italic r bold space bold italic e bold italic n bold italic e bold italic r bold italic g bold italic i bold space bold italic k bold italic i bold italic n bold italic e bold italic t bold italic i bold italic k bold space bold italic r bold italic a bold italic t bold italic a bold minus bold italic r bold italic a bold italic t bold italic a bold space bold italic g bold italic a bold italic s bold space bold italic t bold italic e bold italic r bold italic s bold italic e bold italic b bold italic u bold italic t bold space bold italic 1 bold italic comma bold italic 38 bold italic cross times bold italic 10 to the power of bold minus bold 20 end exponent bold J bold space bold space bold italic d bold italic a bold italic n bold space bold italic e bold italic n bold italic e bold italic r bold italic g bold italic i bold space bold italic d bold italic a bold italic l bold italic a bold italic m bold italic n bold italic y bold italic a bold space bold italic 41 bold italic. bold italic 538 bold italic space bold J.

 

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