Why is CO a stronger ligand than Cl-? Give an atomic-level reason why ionic crystals are brittle. Explain why aqueous solution of sodium chloride conducts electricity where as solid sodium chloride does not. Explain why there are the same amount of particles in the beginning and at the en...
材料二：“人无信不立，业无信难兴，政无信必颓”。 要形成以道德为支撑、产权为基础、法律为保障的社会信用制度，是建设现代市场体系的必要条件，也是规范市场经济秩序的治本之策。增强全社会的信用意识，政府、企事业单位和个人都要把诚实守信作为基本行为准则。” 材料三：31年山路巡线人生：有一种工作，每天...
What is the difference between intermolecular and intramolecular forces? How strong is a hydrogen bond? What is the strongest type of intermolecular force in liquid F_2? Why, despite HF being stronger than H2O, does it have a lower boiling point? Explain. Why do ionic bonds have high m...
Explain why nitrogen has a stronger attraction for H+ than oxygen? Explain why CaCl_2 is likely to have properties similar to those of CaBr_2. Why is H2O(g) usually called water vapor? Describe in words the composition of 3 M HCl solution. Explain why chemical compounds tend to dissolve...
Why are BCC materials usually stronger than FCC materials at same homologous temperature? 1.5. If the bond in a diatomic molecule has 60% covalent character, what does this tell us about the atoms that make up the molecule? Calcu...
How do I know if an acid is weak or strong? Is a dilute solution of perchloric acid considered a strong acid? Which of these acids is the strongest? A). All of these acids are equally strong B). HF C). HCI D). HBr E). HI Select the stronger acid from the given pair...
What is the relationship between the intermolecular forces in a solid and its melting temperature? Which type of compound, ionic or covalent. would you expect to have a higher boiling point? Why? Would the melting point and boiling point be different for a...
Molecular solid is a solid made out of particles held together by the van der Waals powers. Since these dipole powers are more fragile than covalent or ionic bonds, sub-atomic solids are delicate and have generally low softening temperature. Unadulterated atomic solids are ...
Does H2O have delocalized electrons? Why does carbon form covalent bonds? Why, despite HF being stronger than H2O, does it have a lower boiling point? Explain. Do hydrogen bonds share electrons? Why is it good that most hydrogen is...
water has a higher boiling point than H_2S? b. CH_3CH_2OH has a higher boiling point than CH_3OH? 1. Which of the following two molecules is a stronger base: (CH3)4N+OH- or (CH3)3NH+OH-? Explain. 2. Look up in a chemistry handbook the melting...