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
Taya2010 [7]
3 years ago
9

Chemistry help asap please :(

Chemistry
1 answer:
grigory [225]3 years ago
3 0
1, 2, and 4 are redox reactions. The others are not.

You might be interested in
How do you unlock a post test on edmentum?
postnew [5]

Explanation:

A post-test or a mastery test can be unlocked if the learner who has the of it previously can complete the given tutorial with the test.

After the tutorial with the test, the learner will have to complete everything and if he passes the test with a completed answer then he will see that the Mastery Test has been unlocked. Also after the mastery test is unlocked it can be done again.

8 0
3 years ago
As the temperature of a liquid increases, the solubility of a liquid in that liquid A. increases. B. decreases. C. stays the sam
Rzqust [24]
Should be A. increases 
4 0
3 years ago
Methane burns in oxygen to produce carbon dioxide and water. Which of the following represents a preliminary, unbalanced equatio
german

The correct option is: CH4 + O2 → CO2 + H2O.

In writing chemical equations, the reactants are usually written to the left of the equation of the reaction while the products are written to the right of the reaction. An arrow pointing in the right direction shows the direction of the reaction. In the question given above, methane and oxygen are the reactants while carbon dioxide and water are the products. The options that states the chemical reaction correctly is option 1.

3 0
3 years ago
Read 2 more answers
Xavier and Ashaunda were at the beach on a nice warm and sunny weekend. They watched as puffy
ale4655 [162]

Answer:

Condensation

Explanation:

During condensation the water vapor in the air converts to liquid, this forms clouds.

You can also refer to the attached image for more validation.

4 0
2 years ago
In an oxidation half-reaction, which amount is shown?
Tatiana [17]
Hi,
The answer should be C.

Hope this helps, if you’d like further explanation please let me know.
4 0
3 years ago
Read 2 more answers
Other questions:
  • Elements found to the left of the metalloids on the periodic table display which properties? Select all that apply.
    15·2 answers
  • Does all matter have mass and takes up space? <br><br> True <br><br> False
    14·1 answer
  • Why do real gases deviate from gas laws
    13·1 answer
  • Given the following data:N2(g) + O2(g)→ 2NO(g), ΔH=+180.7kJ2NO(g) + O2(g)→ 2NO2(g), ΔH=−113.1kJ2N2O(g) → 2N2(g) + O2(g), ΔH=−163
    14·1 answer
  • Substance X has a fixed volume, and the attraction between its particles is strong. Substance Y has widely spread out particles
    6·2 answers
  • What is the iupac name of ch3ch2ch2ch2ch2ch3
    13·1 answer
  • What is an ionic bond in an electron?
    15·1 answer
  • Fill in the chart to describe and give examples of physical changes.
    6·2 answers
  • NUmber 7 plsssssssssssssssssssssssssssssssssssssssssssssss
    8·1 answer
  • List the protons, neutrons, and electrons for Ge2+<br> Please hurry
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!