PLs help ASAP, pls show all work and steps. 18. Answer the questions below.a. Draw the structure for SiF4b. Using the electronegativity values, calculate the difference.c. On the structure, identify the dipole(s).d. Is the overall molecule polar or nonpolar? Explain.e. Identify the intermolecular forces. Do you expect this molecule to have a lowboiling point or a high boiling point? Explain.

Approach to solving the question:use VBT for the structure. Calculate the valence electrons of Si…

Answered: 18. Answer the questions below. a. Draw…

Chemistry for Engineering Students

4th Edition

ISBN:9781337398909

Author:Lawrence S. Brown, Tom Holme

Publisher:Lawrence S. Brown, Tom Holme

Chapter7: Chemical Bonding And Molecular Structure

Section: Chapter Questions

Problem 7.105PAE

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6
The interaction between Ca and Cl is a. ionic in nature b. nonpolar covalent in nature c. polar covalent in nature d. metallic in nature e. no association
1. Which is an example of a non-polar molecule that contains polar covalent bonds? A. H2O B. NH3 C. N2 D. CBr4 2. Which of the following molecules dissolves in water? A. C6H6 B. CBr4 C. CH3OH D. CCl4 3. SO3 molecules are ____. A. nonpolar B. either C. polar D. None of them 4. A polar molecule is one in which there is a separation of charge caused by ___. A. an uneven number of electron pairs B. an average distribution of electrons C. a non-uniform electron distribution D. a complete loss of electrons 5. Which of the following molecule is not polar? A. HF B. water (H2O) C. ammonia (NH3) D. H2
Answer the questions below. Draw the structure for ClF5 (1) Using the electronegativity values, calculate the difference. (1) On the structure, identify the dipole(s). (1) Is the overall molecule polar or nonpolar? Explain. (2) Identify the intermolecular forces. Do you expect this molecule to have a low boiling point or a high boiling point? Explain. (3)
Draw the Lewis and VSEPR structure for PHF2 (P is the only central atom) A. Give the electron geometry. [Select] B. Give the bond angle. [Select] C. Give the molecular geometry. [Select] D. Does it have polar covalent bonds or nonpolar covalent bonds? [Select] E. Is the molecule polar or nonpolar? [Select] F. List all the intermolecular forces present. [Select] G. Give the strongest intermolecular force present. [Select] molecule for forces ✓forces bonds
3. Draw the Lewis-dot structure for C4H10 below. Remember the Lewis-dot structure is the same as the Expanded structure. A. What is the main intermolecular force acting on this molecule? B. Is this molecule polar or nonpolar? Provide a brief explanation (2-3 sentences) for your answer.
what type of crystalline solid would form for Br2?
please just do part b
In a post-lab question, a student was asked to explain heat curves. This is what they wrote: "A heating curve shows how the temperature of a molecule changes as it is heated. First, it starts as a solid below its melting point. Then, as heat is put in, the bonds start to break at the phase change, and the molecule becomes a liquid. The temperature of the molecule cools slightly at this point. Then, the temperature rises again because the heat going in makes the molecules have greater potential energy (motion). At its boiling point, more bonds break and it turns into a gas. The phase changes are the flat regions of the heating curves because all the heat going in is used to break the bonds." While they have a lot right, there are a number of mistakes. Highlight or copy-and-paste 2 errors, and explain what is wrong/how to fix the errors.
Could Someone Please Help! No Plagiarism Please! 1.Using the periodic table below, to answer the following questions. Based on the elements on the periodic table which element is more likely to be malleable and ductile? A.Sulfur, S B.Carbon, C C.Copper, Cu D.Chlorine, Cl 2.Using the periodic table, choose the correct order for INCREASING electronegativity (the tendency of an atom to attract electrons). A.F, S, Ca B.S, Ca, F C.S, F, Ca D.Ca, S, F
Number 8
What is the strongest force or bond that holds the following together? a. Br atom with a Br atom b. Br2 molecule with another Br2 molecule c. HBr molecule with another HBr molecule

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