Lembar Kerja Siswa laju reaksi

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lembar kerja siswa laju reaksi
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  Materi Pokok: Pengaruh Luas Permukaan Terhadap Laju ReaksiKelas: XISemester : Ganjil/IWaktu :  !  menit A.Tujuan Pembelajaran1. Sis#a dapat menjelaskan pengaruh luas permukaan terhadap laju reaksi $erdasarkan teoritum$ukan% B.Kegiatan 1)Pengantar Kita ketahui $ah#a laju reaksi dipengaruhi oleh $e$erapa &aktor' salah satun(a luas permukaan% )alam kehidupan sehari*hari' misaln(a serpihan ka(u akan le$ih +epat ter$akar di$andingkan dengan $ongkahan ka(u' ataupun ketika I$u kalian memasak' $ahan makananseperti sa(uran se$elum dimasak dipotong*potong agar dapat le$ih +epat matang%,pakah ukuran -at $erpengaruh terhadap laju reaksi. al ini dapat dija#a$ dengan per+o$aan antara $atu pualam 01a12 3 4 direaksikan dengan 1l% Per+o$aan dilakukan palingsedikit 5 kali' dengan ukuran $atu pualam (ang $er$eda*$eda' sedangkan &aktor*&aktor lainn(a seperti 6olume' larutan 1l' konsentrasi larutan 1l' massa $atu pualam dan suhudi$uat tetap% 1.Mengamati 7erdasarkan paparan di atas' tuliskan in&ormasi penting apa saja (ang dapat ditemukanuntuk mengetahui pengaruh luas permukaan terhadap laju reaksi8 LEMBAR KERJA SISWA  9,M, :  2.Menanya 7uatlah rumusan masalah untuk mengetahui pengaruh luas permukaan terhadap laju reaksi8 3.Mengumpulkan data 7uatlah hipotesis (ang terkait dengan rumusan masalah (ang telah anda $uat8 ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………...……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… Rumusan asalah: ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..............……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… Hipotesis: ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………..............………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………  4.Hasil PengamatanTabel 3. Hasil pengamatan !Bentuk BatuPualam #a#$ 3 )%aktu detik)12 &.Mengas!siasi Analisis 'ata) 1) Tuliskan persamaan reaksi dari per+o$aan di atas8%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 2) 7atu pualam 01a12 3 4 dalam $entuk apakah (ang le$ih +epat $ereaksi dan le$ih dahulumenghasilkan gas 12 5  .%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3) 7erdasarkan data (ang diperoleh' $agaimanakah pengaruh luas permukaan terhadap laju reaksi jika dihu$ungkan dengan teori tum$ukan.%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% &)(impulan 7erdasarkan analisis data (ang telah anda lakukan' $agaimanakah simpulan (ang anda  peroleh terkait hipotesis (ang telah anda $uat.  Simpulan: …………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………….............. Hipotesis: diterima/ditola !lin ari salah satu# ……………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………………… Hipotesis: diterima/ditola !lin ari salah satu#

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