WebBalance the equation CH4 + Br2 = CHBr3 + HBr using the algebraic method or linear algebra with steps. Label Each Compound With a Variable. Label each compound (reactant or product) in the equation with a variable to represent the unknown coefficients. a CH 4 + b Br 2 = c CHBr 3 + d HBr. WebMar 30, 2024 · 高中化学选修3第二章 第三节 第1课时第三节分子的性质第1课时键的极性和分子的极性范德华力核心素养发展目标1.宏观辨识与微观探析:能从微观角度理解共价键的极性对分子极性的影响,能说出范德华力对分子某些性质的影响.2.证据推理与模型认知:通过
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WebError: same compound(s) should not be present in both products and reagents: CH4. Error: equation can be balanced in an infinite number of ways: this is a combination of two … Web如:so2>co2,hcl>ch4。 组成和结构相似,同属非极性分子形成的分子晶体,相对分子质量越大,分子间的作用力越强,熔点越高,如:cl2>o2 n2>h2。 组成和结构相似,同属极性分子形成的分子晶体,若分子间有氢键存在,则熔点也会受到影响。如:hi>hf>hbr ... did gary\u0027s raticate die
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Web__CH4 (g) + __Br2 (l) → __CBr4 (s) + __HBr (g) Once this equation is balanced what is the value of the coefficient in front of bromine Br2? 4 Write a balanced chemical equation for the reaction that occurs when calcium metal undergoes a combination reaction with O2 (g). 2Ca (s)+O2 (g)→2CaO (s) WebWould CO2 have hydrogen bonding? no Use VSEPR theory to predict the molecular geometry around either carbon atom in ethylene (C2H4) trigonal planar Which is an intermolecular force? a. metallic bond b. ionic bond c. hydrogen bond d. covalent bond hydrogen bond The side-by-side overlap of p orbitals produces what kind of bond? pi bond WebCH4+Br2 CH3Br+HBrCH3Br+Br2 CH2Br2+HBr(或CH4+2Br2 CH2Br2+2HBr)CH2Br2+Br2 CHBr3+HBr(或CH4+3Br2 CHBr3+3HBr)CHBr3+Br2 CBr4+HBr(或CH4+4Br2 CBr4+4HBr)B 故选C. 点评:本题以图象题的形式呈现来考查知识点,做题时要注意从图象中获取正确信息,正确判断得出结论 ... did gary stearman retire