- Whw Is The Difference In Electronegativity For The Most Ionic Of The Following Compounds Csci Mgf2 Fi And Nh3 Quest 1 (41.84 KiB) Viewed 74 times
- Whw Is The Difference In Electronegativity For The Most Ionic Of The Following Compounds Csci Mgf2 Fi And Nh3 Quest 2 (10.09 KiB) Viewed 74 times
- Whw Is The Difference In Electronegativity For The Most Ionic Of The Following Compounds Csci Mgf2 Fi And Nh3 Quest 3 (16.23 KiB) Viewed 74 times
- Whw Is The Difference In Electronegativity For The Most Ionic Of The Following Compounds Csci Mgf2 Fi And Nh3 Quest 4 (25.13 KiB) Viewed 74 times
- Whw Is The Difference In Electronegativity For The Most Ionic Of The Following Compounds Csci Mgf2 Fi And Nh3 Quest 5 (21.81 KiB) Viewed 74 times
- Whw Is The Difference In Electronegativity For The Most Ionic Of The Following Compounds Csci Mgf2 Fi And Nh3 Quest 6 (32.25 KiB) Viewed 74 times
- Whw Is The Difference In Electronegativity For The Most Ionic Of The Following Compounds Csci Mgf2 Fi And Nh3 Quest 7 (7.21 KiB) Viewed 74 times
Question 28 Not changed since last attempt What is the average difference in bond energy in kJ/mol between the double bond in the O, molecule and a single 0-0 bond, such as in hydrogen peroxide (H2O)? Report as a positive quantity Answer: Marked out of 1.00
Question 30 Not changed since last attempt What is the approximate H in kJ for the following reaction as written: 2NH3(g) --> 3H2(g) + N2(g) Careful, what kind of bond does the nitrogen molecule make? Marked out of 1.00 Answer: What is the difference in electronegativity between the atoms in Hi? Question 31 Not changed since last attempt Answer: Marked out of 1.00
Question 39 Not changed since last attempt Use Table 9.4 to calculate an approximate enthalpy or heat of reaction for the combustion of one mole of methane gas (CH) to form gaseous H,O and Co, What Volume (in .Y of methane is needed to produce 2430 kJ of heat for methane gas at 38 °C and 5.61 atm pressure? Marked out of 1.00 Hint given in feedback Answer: Write the Lewis structure for BF, (each Fis bonded to B). How many single bonds are there? Question 40 Not changed since lor attempt Marked out of 100 Answer: Write the Lewis structure for CH CHCHO. How many single bonds are there? Question 41 Not changed since last Help--skeleton structure: CH2-CH-CHO, meaning the first Cis bonded to 2 H's and a 2nd C. The 2nd C is also bonded to a Hand the C. The 3-C is also bonded to a Hand an O. Marked out of too Answer:
How many double bonds are there in CH CHCHO? Question 42 Not changed since last attempt Answer: Marked out of 1.00 Question 43 How many triple bonds are there in CH,CHCHO? Not changed since last attempt Marked out of 1.00 Answer: Using Table 9.4 (see below), calculate the energy (in kJ) required to break all of the bonds in 1 mole(s) of methanol (CH3OH). Question 44 Not changed since last attempt Marked out of 1.00 Hint given in feedback Answer:
Question 45 Not changed since las attempt Marked out of 100 Using Table 9.4, calculate an approximate enthalpy (in kJ) for the reaction of 4,52 g gaseous methanol (CH, OH) in excess molecular oxygen to form gaseous carbon dioxide and gaseous water. (Hint, remember to first write the balanced equation.) TABLE 94 Bond Energies (k/mol) Single Honda O-H469 C-474 C-C18 C-N293 C-0551 C-F 499 C-328 C-Br 276 C 258 210 N-HS80 N-N 168 N-0201 N-F272 X-CI 900 N-Br245 OO 145 OF 190 O-a 203 O- 234 199 253 C-242 B-F 237 B-C 218 Br-Br 199 1- 298 1-BE 180 1-1 151 HH 136 HF 569 H-CI 491 H1-Br 368 H-297 S- 339 S- 327 S-251 S-R 218 S-5 266 S293 5-S 226 S-301 si-o 56 Multiple Bonde C-C611 CMC 897 CN 619 CX 891 C-799 CDO 1072 02 408 NN 418 NON 946 SO 523 Ss 418 The greates can be maddi herum Answer: How many equivalent resonance structures does NO, have? Question 46 Not changed since last attempt Answer: Marked out of 1.00
How many lone pairs of electrons does Xe have in XeFo? Question 47 Not changed since last attempt Answer: Marked out of 1.00