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 scientist is known as the father of chemistry *?
noname [10]
The correct answer is <span>Antoine-Laurent de Lavoisier. Hope this helps!</span>
3 0
3 years ago
Please help me as soon as possible! Please help me as soon as possible!
Nastasia [14]

The Answer is D. Suspending a heavy weight with a strong chain.

6 0
3 years ago
Read the passage. Look at the underlined section marked number 9. There may be a mistake in the way the sentence is written. If
Alexus [3.1K]

The answer is D just did it

5 0
3 years ago
Read 2 more answers
All of the following are forms of acid precipitation EXCEPT ________.
Aneli [31]
Dihydrogen oxide is the right answer. Dihydrogen oxide is just 2 hydrogen and 1 oxygen which is H2O or water.
6 0
3 years ago
Which law explain why tire pressure increases on a summer day
Musya8 [376]
Boyle's law 

I hope this helps
3 0
3 years ago
Other questions:
  • When an ionic bond forms between lithium (Li) and fluorine (F), which of the following occurs?
    7·2 answers
  • Is the following sentence true or false? the mass of an object changes with location.
    7·1 answer
  • A 3.00 L flexible container holds a sample of hydrogen gas at 153 kPa. If the pressure increases to 203 kPa and the temperature
    14·1 answer
  • What is the vapor pressure (in mm Hg) of a solution of 17.5 g of glucose (C6H12O6) in 82.0 g of methanol (CH3OH) at 27∘C? The va
    15·1 answer
  • A sample of C3H8 has 6.72 x 10^24 H atoms. <br> What is the total mass of the sample?
    9·1 answer
  • Create a model of the atoms of a substance moving through the solid, liquid, and gas states.
    9·2 answers
  • Write a detailed paragraph about how a volcano is formed. be sure to
    14·1 answer
  • Rain that containing excess of acid is called
    12·2 answers
  • When you are drying your hands underneath a hand dryer, this is an example ofA. RadiationB. ConductionC. ConvectionD. Convection
    11·1 answer
  • A gas has a volume of 250 mL at 0.29 atm. What will its volume be if the pressure is changed to 0.70
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!