Reference no: EM13112751
1. On the basis of electronegativity, list the following in order of increasing bond polarity: H-F, H-Cl, H-Br, H-I.
2. Draw the lewis structure and indicate the direction of the bond dipole for C-F and Si-S.
3. Which of the following species is smaller: I or I-? why?
4. What simple ion is formed from the element with Z=89?
5. On the basis of electron configurations, predict the formula of the Type I ionic compound formed from the elements Z=49 and Z=51.
6. What is(are) the noble gas(es) that has (have) the same electron configuration as each of the ions in the compound formed from Z=31 and Z=16
7. Why are the valence electrons of an atom the only electrons likely to be involved in bonding to other atoms.
8. Draw the Lewis structure for the compound formed from elements Z=6 and Z=16.
9. Draw the Lewis structure for the following compound: GeBr4.
10. Draw the Lewis structure for the PO4-3 ion, indicating any resonance forms.
11. Draw the Lewis structure for the hydrogen sulfate ion, indicating any resonance forms.
12. Using VSEPR theory, predict the molecular structure of PbCl4 and H2Te.
|
Determine the approximate ph of the mixture
: Suppose 50 mL of 0.020 M Hydhrochloric acid solution was mixed to 50 mL of 0.20 M acetic acid solution (Ka of acetic acid, CH3COOH, = 1.8 x 10-5). Determine the approximate pH of the mixture.
|
|
Find probability that in a year hurricane will strike the us
: Find the probability that in a given year a) exactly one major hurricane will strike the U.S. mainland, b) at most one major hurricane will strike the U.S. mainland.
|
|
Should the court enforce the subpoena explain why
: UAL refused to provide the information, in part, on the grounds that it was irrelevant and compliance would be unduly burdensome. The EEOC filed a suit in a federal district court against UAL. Should the court enforce the subpoena? Explain why or ..
|
|
What does that indicate about the physiology of ph
: Blood has a very narrow normal pH range but urine has a very broad normal pH range. What does that indicate about the physiology of pH?
|
|
Creating lewis structure for the po4-3 ion
: Draw the Lewis structure for the PO4-3 ion, indicating any resonance forms. On the basis of electron configurations, predict the formula of the Type I ionic compound formed from the elements Z=49 and Z=51.
|
|
Use the equation for directly transmitted microparasites
: Lagniapposis is caused by a microparasite, Lagniappea calcasieuensis, and is transmitted directly by coughing and sneezing. It is highly transmissible and very virulent. Infected hosts become immune after a week if they do not die. Use the equatio..
|
|
Determine how will sodium hydroxide affect ph of the buffer
: A buffer having equal amounts of a weak acid and its conjugate base has a pH =4.4. A small amount of sodium hydroxide was combined to this buffer solution .
|
|
Determine the probability sample identifications correct
: What is the probability that the sample will have between 50% and 60% of the identifications correct? What is the probability that the sample percentage of correct identifications is greater than 65%?
|
|
How valence electrons would pair up in the aso4-3 ion
: Using electronegativity, predict in the order of decreasing polarity the following bonds: N-P, N-O, N-C, N-S, N-F. Predict how valence electrons would pair up in the AsO4-3 ion.
|