What is the TOTAL bond energy of the products in the chemical reaction of the combustion of methane (CH4) below? **HINT: To find the TOTAL bond energy you add up all of the bond energies
of the products together**
Bond
Energy
(kJ/mol)
H-H
432
Осн.
H-O
467
methane
Oco
carbon dioxide
2 C=0
bonds
2H,0
water
2 H-O
bonds
oxygen
1 0=0
bonds
413
C-H
4 C-H
bonds
C=0
799
Total Bond Energy = Bond Energy x # of bonds of molecules
0-0
146
00
495
1598 +934 = 2532 kJ/mole
1598 +1868 = 3466 kJ/mole
799 + 1868 = 2667
kJ/mole
799 + 934 = 1733 kJ/mole

You mix the pks of succinic acid are 4.21 and 5.64. how many gramsa graduate student at sdsu wants to measure the activity of a particular enzyme at ph 4.0. to buffer her reaction, she will use a buffer system based on one of the acids listed below, which acid is most appropriate for the experiment? of monosodium succinate (fw = 140 g/mol) and disodium succinate (fw = 162 g/mol) must be added to 1 l of water to produce a solution with a ph 5.28 and a total solute concentration of 100 mm? (assume the total volume remains 1 liter, answer in grams monosodium succinate, grams disodium succinate, respectively.) volumes of 0.05 m nah2po4 and 0.05 m na2hpo4 (pk's for phosphoric acid are 2.15, 6.82 and 12.38). which of the following best describes the resulting solution?

The volume of a single vanadium atom is 9.29×10-24 cm3. what is the volume of a vanadium atom in microliters?

At element makes up all organic compounds?