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
adell [148]
3 years ago
14

Which of the following is a half-reaction? A. Zn+CuSO4−> B. 2Cl−−>Cl2+2e− C. H2+1/2O2−>H2O D. −>Cu+ZnSO4

Chemistry
1 answer:
malfutka [58]3 years ago
8 0

Answer:

2Cl——>Cl2+2e-

Explanation:

It shows an electron loss or gain

You might be interested in
What part of the sun do we see from earth?
NISA [10]

Answer:

photosphere

Explanation:

photosphere

There are 3 main layers of the Sun that we can see. They are the photosphere, the chromosphere and the corona. Together they make up the "atmosphere" of the Sun. The part of the Sun that glows (and that we see with the naked eye) is called the photosphere

8 0
4 years ago
Read 2 more answers
Select the correct answer. What happens when an electron absorbs energy? A. The electron moves from a lower energy orbital to a
umka2103 [35]
I choose the option A.
The electron absorbs energy from specific wavelength then moving from a lower energy orbital to a higher energy orbital.
3 0
3 years ago
5. Which of the following is NOT a colligative property of a solution? (1 point) boiling point elevation supersaturation vapor p
LUCKY_DIMON [66]
142 ml
that is the anwser
3 0
3 years ago
How are elements arranged in the Periodic Table? A. by their properties B. alphabetically C. by how much they are worth D. in th
algol13
Im on the same test.
5 0
3 years ago
Electron configuration for Be2+
rusak2 [61]

Answer:

Beryllium has an electronic configuration of 1s2 2s2 in its natural state. When in an ion state of Be2+ it loses the electrons in a 2s shell and has a configuration of 1s2. This means that Be2+ has 2 electrons.

7 0
3 years ago
Other questions:
  • Please help with this question... It's six marks to could you put six marks....
    13·1 answer
  • What’s the formula for copper (I) phosphate
    12·2 answers
  • WILL AWARD BRAINLIEST HELPPPP
    15·2 answers
  • Which principal is exemplified by studying a modern river to learn about how ancient rock layers form?
    11·1 answer
  • What is the relationship between the sequence of DNA’s subcomponents and the properties of DNA? 1. The amino acid sequence along
    8·1 answer
  • BH+ClO4- is a salt formed from the base B (Kb = 1.00e-4) and perchloric acid. It dissociates into BH+, a weak acid, and ClO4-, w
    15·1 answer
  • What does (w/w)% mean?
    8·1 answer
  • A container of gas is initially at 0.25 atm and 0 ˚C. What will the pressure be at 125 ˚C?
    8·1 answer
  • 47. Which of the following is not a state of matter?
    10·2 answers
  • What is the "average atomic mass" of this set of pennies.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!