This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: What is the oxidation number of chromium in Cr2O72- ion? A) +3 B) +12 C) +7 D) +6 E) ... (Read 169 times)

Jkov05

  • Hero Member
  • *****
  • Posts: 556
on: Aug 27, 2018
What is the oxidation number of chromium in Cr2O72- ion?
 
  A) +3
  B) +12
  C) +7
  D) +6
  E) +14

Question 2

At 333 K, which of the pairs of gases below would have the most nearly identical rates of effusion?
 
  A) N2O and NO2
  B) CO and N2
  C) N2 and O2
  D) CO and CO2
  E) NO2 and N2O4


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

chloejackso

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Aug 27, 2018
Answer to Question 1

D

Answer to Question 2

B


Jkov05

  • Hero Member
  • *****
  • Posts: 556
Reply #2 on: Aug 27, 2018
TY


chloejackso

  • Sr. Member
  • ****
  • Posts: 316
Reply #3 on: Aug 27, 2018
You're welcome


« previous next »
 

Did you know?

For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

The frequency of competition according to the number of species involved. The frequency of competition according to the number of species involved.
Oxidation of Fe-bearing minerals gives rocks, soils rusty color. Oxidation of Fe-bearing minerals gives rocks, soils rusty color.
Determination of the number of theoretical stages Determination of the number of theoretical stages
The Haploid Number of Chromosomes for a Variety of Organisms The Haploid Number of Chromosomes for a Variety of Organisms
What is the minimum number of straight, continuous lines that are necessary to c What is the minimum number of straight, continuous lines that are necessary to c
Draw a complete stepwise mechanism for the oxidation of benzil from benzoin using nitric acid. Draw a complete stepwise mechanism for the oxidation of benzil from benzoin using nitric acid.
Video: Types of energy transfer reactions: oxidation-reduction reactions and ATP generation reactions

For a complete list of videos, visit our video library