1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
BARSIC [14]
3 years ago
8

5. Base your answer to the following question on the

Chemistry
2 answers:
KatRina [158]3 years ago
7 0
The answer is B) is the correct answer
elixir [45]3 years ago
4 0

Answer:

B) 2Crº + 6e- --> 2Cr3+

Explanation:

The process of oxidation is where electrons are lost. Thus, out of the 2 ions that change charge(Cr and Cu), we must choose the one where the oxidation number increases(which means electrons are lost). Cr goes from an oxidation number of 0 to an oxidation number of 3+, while Cu goes from an oxidation number of 2+ to 0. Thus, we are looking at the half reaction for Cr. Half reactions never have subtracting electrons, so the answer must be B. I am assuming that last plus should be a -->

You might be interested in
Which best represents the reaction of calcium and zinc carbonate (ZnCO3) to form calcium carbonate (CaCO3) and zinc? Ca → ZnCO3
artcher [175]
Ca + ZnCO3 → CaCO3 + Zn
3 0
3 years ago
Read 2 more answers
Is o3 inorganic or organic
sammy [17]

Answer:

I'm not sure but I think it's organic

6 0
2 years ago
Read 2 more answers
What is the most important use of an elements atomic number
Setler [38]

Answer:

Atoms of each element contain a characteristic number of protons and electrons. The number of protons determines an element's atomic number and is used to distinguish one element from another.

8 0
3 years ago
The main reason that it's important to test only one variable at a time is so that
bonufazy [111]

D. quantitative data can be recorded.

7 0
2 years ago
The distance between any two successive places where the shape of the wave repeats itself
Anit [1.1K]
Wave length is the answer.
5 0
3 years ago
Read 2 more answers
Other questions:
  • Solution a is 2 mmol/l urea, and solution b is 1mmol/l nacl. assume that g nacl = 1.85. are the 2 solutions isosmotic?
    6·1 answer
  • How many electrons does an atom have if the atomic number is 11?
    7·1 answer
  • The gas in the piston is being heated, and the piston has moved upward. The observation will be summarized in a row of the incom
    7·2 answers
  • The process of converting nitrate to nitrogen gas and nitrous oxide is called
    14·1 answer
  • What does the principle of faunal succession state?
    14·1 answer
  • How are the number of protons represented in the periodic table?
    14·2 answers
  • A __________ is created by using a secure hash function to generate a hash value for a message and then encrypting the hash code
    10·1 answer
  • Name the given compound according to the IUPAC nomenclature
    7·2 answers
  • Plz help this is due today...
    7·1 answer
  • Assign oxidation numbers to the element in each of the following compounds. Remember an oxidation number is for one atom of the
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!