September 2018 2 97 Report
Senyawa yang tergolong elektrolit kuat adalah...
a. HCI, NaCI, HNO3, H2O, H2SO4, HI
b. CH3COOH, C12H22O11, CH3CH2OH, HF
c. HNO3, HCI, NaOH, HIO3-, H2SO4, HCIO4
d. H2S, CH3OH, NaOH, NaCI, Na2CO3, H2CO3
e. H2CO3, H2SO4, HCOOH,H3PO4, CH3COOH

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Sebuah pegas di gantungi beban bermasa 50 g. Saat digetarkan dapat terjadi getaran dengan frekuensin 36 hz. Frekuensi ertarannya jika bebannya diganti dengan benda bermassa 200 g adalah...
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Diketahui energi ikatan N = N = 163 kJ/mol dan H–H = 436 kJ/mol. Pada reaksi: ½ N2(g) + 3/2 H2(g) NH3(g) ΔH = –438 kJ/mol energi ikatan rata-rata N–H adalah … A. 1.173,5 kJ B. 735,5 kJ C. 391 kJ D. 195,5 kJ E. 130 kJ Pakai Cara!
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