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- For each of the following covalent bonds: (a) use the symbols δ+ and δ- to indicate the direction of polarity (if any).(a) C-F; (b) N-Br; (c) B-C; (d) Si-H(b) Rank the following covalent bonds in order of increasing polarity. (i) C-H, O-H, N-H; (ii) C-N, C-O, B-O; (iii) C-P, C-S, C-NCovalent bonds: H―HC―HO―HO═O C≡O Bond energy (kJ/mol):4364154654981080Calculate the enthalpy change (H, in kJ/mol) for the following reaction and indicate whether the reaction is exothermic or endothermic.(*BE for C═Oin CO2)(a) CH4(g)+ H2O(g)CO(g)+ 3H2(g);Write the law for this reaction and explain how it is determined SO2CL2 ->SO2 + CL2
- 7. Identify the relation between the two molecules in each of the following four sets of molecules. (B) Br (A) Br. H (C) Br. H Br H Br H CI Br CI Br CI Br. CI CI H H Br CI H H H (D) Br H CI Br CI CI H H BrButanol has the chemical formula C4H9OH. d) In the molecule of butanol, there are C-C bonds, C-H bonds, a C-O bond and a O-H bond. Order these bonds from most to least polar e) On average, would you expect C-C to have longer or shorter bonds than C-H Briefly explain your answer. f) From the reaction 2.57 L of carbon dioxide was produced and captured. Calculate the number of molecules of carbon dioxide if the temperature was 25.0 C and the pressure 1. 01 × 105 Pa. g) The empirical and molecular formula for butanol is the same. Briefly explain why.Part C S. H. Spell out the IUPAC name of the compound. 2-thioheptane Submit Previous Answers Request Answer X Incorrect; Try Again; 4 attempts remaining
- The molecular shape of TeCl4^2¯ is __?Testosterone is an anabolic steroid. The structure of testosterone is shown below. What is the idealised bond angle at the indicated atom (ii) ? Hint: atom (iv) has been completed for you as an example. (iv) bond angle: 109.5°, geometry of the electron pairs: tetrahedral, shape of the bonds: tetrahedral ·····|||I H ····||||I ii ivI need this solution, Calculate the Enthalpy Change (ΔH) from average bond energies, which have been listed below in KJ/mol, for the following reaction and identify the nature of the reaction: CH3COOH + CH3OH → CH3COOCH3 + H2O [C‒H: 413; C‒C: 347; C=O: 745; C=C: 614; Cl‒Cl: 239, C‒O: 358; O‒H: 467
- Draw the Lewis structure for the chlorine trifluoride (CIF3) molecule. Ċ C C X S 1 [] ?Write a reasonable chain mechanism (mechanistic arrows, intermediates, etc.) for the following reaction. Your mechanism must be based upon currently accepted understanding of chemical reactions.1. Hydrogen (H2) and oxygen (O2) react to produce water (H2O). (a) Write down the equation for the above reaction. (b) The enthalpy change of reaction is –286 kJ mol-!. Is the reaction endothermic or exothermic? (c) What kinds of bonds are broken during the reaction? (d) What kinds of bonds are formed during the reaction? (e) Construct a diagram showing the change in enthalpy for the reaction.