Question

please help with problems #18, #19, and #20!

I was not able to crop it

if you can help with more than that please do! thank you so much, I’m studying for finals and getting so much anxiety.

light. You see that one end is labeled .+, what is ΔGo for the overall cell reaction that and the other is labeledNow that you i represented bere? Balance the reaction have studied batteries in eneral chemistry g the lowest possible integer values you know that the indicates the end that is the: 1.-877 k 2. -182 k 3.-91.2 kJ 4. +91.2 kJ 5. +877 kJ 6. +182 k 1. inert electrode 2. anode 3. Pt electrode 4. cathode 018 1.8 points A group of scientists have landed on a Dew planet in an alternate universe. On this planet, they have decided to use the Zn/Zn2When direct heat is applied to potassium chlo- half-reaction as their standard efeece lr te, KCIOs, it decomposes to form KCI and trode. What is the new standard reduction other byproducs. Was chlorine oxidized or potential for F2? 021 4.8 points reduced? How many electrons were trans- ferred during the process? 1. 2.87 v 2. +3.63 V 3. +2.87 V . +2.11 V 5.o V 1. oxidized, 6 electrons 2. reduced, 6 electrons 3. oxidized, 4 electrons 4. oxidized, 3 electrons 5. reduced, 9 electrons 6. reduced, 3 electrons 019 4.8 points What are the oxidation states of Na, CI, an O in NaCIO? 022 4.8 points For the given cell: 2. Na = +1, CI +1,0=-2 Mn | Mn2+ (0.20 M) 11 Mn2+ (7M) I Mn Find the missing concentration of Mn2 given that the cell potential is found to be 8.9 mV 4. Na = +1, CI = +7, () =-2 1. 0.14 M 2. 2.5 M 3. 0.10 M 020 1.8 points Consider the following cell:

Answer 1

18.3

19.2

20.1

According to your interest i answered only these 3 questions

If u want rest answers of rest question ,i can answer it for you