Mathematics, 22.02.2021 14:00 Heyitsbrandi
ATTEMPT ALL QUESTIONS
1 What is the oxidation number of chromiumin the ionic compound ammonium
dichromate, (NH.):Cr:0,2
2) What are the original and final oxidation numbersfor ironin the smelting of iron
from iron oxide? Fe:O-(s) + 300(g) 2Fe(s) + 300:19)
3)Methanol fuel cells use the following reaction. How many electrons are
transferred in this redox reaction as written?
2CH. OH + 30.In 200 + 3H2O
4) Cobalt is one of many metals that can be oxidized by nitric acid Balance the
following the reaction. How many electrons are transferred, and what would be the
coefficient for H0 in the balanced reaction?
Do + NO..+ Hon NO + H20+ 00..
5)Which substance is the reducing agent in the following reaction
4H.(aq) + 201(aq) + Mno:(s) n Cl:(9) + Mn.(aq) + 2H.00)?
Answers: 2
Mathematics, 21.06.2019 20:30
Two triangles can be formed with the given information. use the law of sines to solve the triangles. b = 49°, a = 16, b = 14
Answers: 3
Mathematics, 22.06.2019 01:00
Select the correct answer from each drop-down menu the equation of a line is 3/5*+1/3y=1/15
Answers: 2
Mathematics, 22.06.2019 03:00
Run a linear regression to determine an equation (y=mx+b y=mx+b)
Answers: 3
ATTEMPT ALL QUESTIONS
1 What is the oxidation number of chromiumin the ionic compound ammonium
Mathematics, 24.07.2019 23:10
Mathematics, 24.07.2019 23:10
Computers and Technology, 24.07.2019 23:10
Computers and Technology, 24.07.2019 23:10