2. Xiop popmy- a) C_(2)H_(6)HC_(2)H_(4) B) C_(3)H_(6)HCO_(2); 5) C_(3)H_(8)HKF r) KBrHH_(2)SO_(4) Cocrabbre peakuni au moli napt BellectB, HC- nourb3ys crpy KTypHble opranueckux CHHH yCHOBHA HX nporekaHHA H Ha3OBHTe op- ranHuecKHC BelllecTBa.

It looks like the text you provided is a mix of chemical formulas and some text in another language. Let's break it down:<br /><br />1. **Chemical Formulas:**<br /> - \( C_2H_6 \) (Ethane)<br /> - \( C_2H_4 \) (Ethene)<br /> - \( C_3H_6 \) (Propene)<br /> - \( C_3H_8 \) (Propane)<br /> - \( KBr \) (Potassium bromide)<br /> - \( H_2SO_4 \) (Sulfuric acid)<br /><br />2. **Text in Another Language:**<br /> - The text appears to be in Russian or another Slavic language. It seems to be a mix of chemical names and some descriptive text.<br /><br />Let's try to translate the Russian part:<br /><br />- "Cocrabbre peakuni au moli napt BellectB" could be "Сокращение и расшифровка молекул БеллектБ" which means "Abbreviation and expansion of molecules БеллектБ".<br />- "nourb3ys crpy KTypHble opranueckux" could be "нурб3йс криптипHble opranueckux" which might mean "нурб3йс криптипHble opranueckux" (unclear meaning).<br />- "CHHH yCHOBHA HX Ha3OBHTe op-" could be "CHHH и CHOBHA HX Ha3OBHTe оп-" which might mean "CHHH and CHOBHA HX Ha3OBHTe оп-" (unclear meaning).<br /><br />Given the context, it seems like the text is asking for the abbreviation and expansion of certain chemical compounds, possibly related to Bell Laboratories (БеллектБ).<br /><br />If you have a specific question about the chemical formulas or the text, please provide more details or clarify the question, and I'll be happy to help!