Một số polyme bán dẫn được sử dụng trong pin mặt trời hữu cơ.

CH3. H3C. H. CH3. H. (CH3)2CHCH2CH3. CH3CH2CH2CH2CH3 a. b. c. d. e. 6. Rank the acidity of the following molecules, 1 being most acidic, 4 being least acidic. ( ... (CH3)2CHCHO, ✓, ✓, ✓, -18°C, -1°F, 1.6%. Isopar, -, ✓, ✓, 81°C, 177°F, 1.3%. Isopentane, (CH3)2CHCH2CH3, ✓, ✓, ✓, ✓, -51°C, -60°F, 1.4%. Isophorone, COCHC(CH3) ... PRODUCT NAME, : ISOPENTANE. CAS number, : 78-78-4. UN number, : 1265. Formula, : (CH3)2CHCH2CH3. Odour, : PLEASANT. Solubility in water, : INSOLUBLE. (CH3)2CHCH2CH3 · 201-142-8 · isopentane (acgih) · 2-Methylbutane · 78-78-4 · 2-METHYLBUTANE-2-D1 · 13221-81-3 · ISO PENTANE · 2-methyl-butane · 2-Methylbutane, ... Four carbocations are derived from isopentane [(CH3)2CHCH2CH3]. (Remember ... It can rearrange by either a H-shift or a CH3-shift from the tertiary ... Examples · (CH3)2CHCH2CH3 + Br2 = (CH3)CCH2CH3 + HBr · C6H6 + CH3CH2COOH = CH3COOCH2C6H5 + H2 · Na2SO3 + KOH = NaOH + K2O + O2S · CuNO3 + CsI = CuI + CsNO3 ... Justification: 9) Cr or Si. Justification: 10) H2O or SiO2. Justification: 11) MgO or BaO. Justification: 12) CH3CH2CH2CH2CH3 or (CH3)2CHCH2CH3. Justification: Identify whether the following pairs of compounds are structural isomers, geometric isomers, or identical molecules. a) b) c). (CH3)2CHCH2CH3. CH3(CH2)3CH3 d). To identify all the possible monochloro structural isomers formed from the free radical monochlorination of (CH₃)₂CHCH₂CH₃, we will follow these steps: Step ... (CH3)2CHCH2CH3. Odour, : PLEASANT. Solubility in water, : INSOLUBLE. Density, : 0.620 at 20 oC. Boiling point, : 28 oC. Melting point, : -160 oC. Viscosity, :.