what is the oxidation number of s in the compound Na2S2O5? Question 3 of 63 Submit...
Question 7 of 15 Which compound contains chlorine (CI) with an oxidation number of +3 A) Cl2O B) CIO3 C) Cl2O3 D) CIO2 E) Cl2Os
The compound K3[NiF6] is paramagnetic. Determine the oxidation number of nickel in this compound, the most likely geometry of the coordination around the nickel, and the possible configurations of the d electrons of the nickel. Oxidation number ___-7-6-5-4-3-2-10+1+2+3+4+5+6+7 Geometry Configurations (t2g)n(eg)m Weak field n = m = Strong field n = m =
Question 6 of 13 Submit What is the wavelength of blue light that has a frequency of 6.29 x 1014 s-?? (c = 3.00 x 108 m/s) nm 2 3 4 7 8 9 +/- x 100 Tap here or pull up for additional resources
-123456 1. What is the oxidation number of S in HSO, ? 2. What is the oxidation number of Hin Nah? 3. What is the oxidation number of N in LINO, 4. 150.0 mL of 2.00 M Pb(NO3)2 solution is mixed vith 300.0 mL of 2.00 M Nal solution in a coffee cup calorimeter of negligible heat capacity. The initial temperature of the two solutions are both at 20.00 C, the final temperature of the mixed solution is 36.09 C....
What is the oxidation number on O in the following compound: CO2. (Positive numbers do not need to contain a +) #2 Points possible: 1. Total attempts: 0 What is the oxidation number on chromium in the following compound: CrO. (Positive numbers do not need to contain a +). #3 Points possible: 1. Total attempts: 0 Consider the following reaction: C3Hs5023CO2 +4H20 What is the oxidizing agent? OO OC O02 OC3Hs #4 Points possible: 1. Total attempts: 0 What is...
Question 39 of 42 Submit A particular vitamin's chemical formula has one cobalt atom. What is the molar mass of the vitamin if it contains 4.34% cobalt? g/mol 3 X 7 8 9 +/- x 100 Tap here or pull up for additional resources Question 40 of 42 Submit What is the mass percent of water in zinc(II) nitrate hexahydrate? % 2 X 8 9 +/- x 100 Tap here or pull up for additional resources Question 41 of 42...
Question 4 of 25 Submit What is the wavelength of a photon if the energy is 7.27 x 10-19 J? (h = 6.626 x 10-34 J·s) | nm x | 1 4 ( 7 2 5 8 3 6 9 +/- x 100
Question 5 of 11 Submit What is the solubility of MgCO3 in water? (Ksp of MgCO3 is 3.5 x 10-8) M 3 2 5 6 | 1 4 7 +1 8 . 9 0 +/- x 100
Question 16 of 45 Submit FeCl3 has a van't Hoff factor of 3.4. What is the freezing point of an aqueous solution made with 1.71 m FeCl3? (Kf for water is 1.86 °C/m) °C 4 7 5 8 6 9 Question 20 of 45 Submit Determine AGº for the phase change CO2(g) → CO2(aq) at 25°C. AH° = -19.4 kJ/mol AS° = +92.3 J/mol-K kJ/mol (1 4 7 +/- 2 5 8 3 6 9 0 x 100 May 7...
( Question 33 of 37 Submit The pH of a basic solution is 8.65. What is [H]? 1.7 x 10 -10 M 3 1 2 4 5 6 с 7 8 9 +/- 0 X 100 dtv A