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Berapakah kelajuan rambat bunyi dalam karbondioksida yang bersuhu 400°C dan bertekanan 0,5 atm?Diketahui M = 44 kg/kmol, g = 1,30.

Berapakah kelajuan rambat bunyi dalam karbon dioksida yang bersuhu 400°C dan bertekanan 0,5 atm? Diketahui M = 44 kg/kmol, g = 1,30.

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W. Diana

Master Teacher

Mahasiswa/Alumni Universitas Negeri Padang

Jawaban terverifikasi

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Pembahasan

begin mathsize 14px style P equals 0 comma 5 space atm equals 0 comma 5 cross times 10 to the power of 5 space Pa T equals 400 plus 273 equals 673 space straight K M subscript r equals 44 space kg divided by kmol equals 44 cross times 10 to the power of negative 3 end exponent space kg divided by mol v equals square root of gamma P over rho end root space space equals square root of gamma fraction numerator P over denominator begin display style fraction numerator P space M subscript r over denominator R space T end fraction end style end fraction end root space space space equals square root of gamma space P cross times fraction numerator R T over denominator P space M subscript r end fraction end root space space space equals square root of gamma space fraction numerator R T over denominator space M subscript r end fraction end root space space space equals square root of 1 comma 4 cross times fraction numerator 8 comma 314 cross times 673 over denominator 44 cross times 10 to the power of negative 3 end exponent end fraction end root space space space equals square root of 178.032 comma 9 end root space space space equals 422 space straight m divided by straight s end style 

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