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
Sholpan [36]
3 years ago
12

Which statements describe phase changes? Check all that apply.

Chemistry
2 answers:
konstantin123 [22]3 years ago
9 0
The correct answers are option One and option Three
1&3
Tamiku [17]3 years ago
7 0
Thank you
eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
You might be interested in
Explain why fluorine and chlorine are in the same group of the periodic table.
Ivenika [448]

Answer:

They both have 7 electrons in their outer shell

8 0
2 years ago
PLEASE HELP! Class is almost ending, I don't want to repeat.
nikklg [1K]
ANSWERS:

1. 2KClO_{3} ⇒ 2KCl + 3O_{2}

2. H_{2}  C_{2} O_{4}  + 2NaOH ⇒ Na_{2}  C_{2} O_{4}  + 2 H_{2} O

3. 2 C_{10}  H_{22} +  31O_{2} ⇒ 20C O_{2} + 22 H_{2} O

4. 4 H_{2} + Fe_{3} O_{4} ⇒ 3Fe +4 H_{2} O

5. 4P + 5 O_{2} ⇒ 2 P_{2}  O_{5}


I have attached my work for 1-3. I would like to see if you can get 4 and 5 on your own. but, if you are struggling/copnfused please let me know in the comments! :)

6 0
3 years ago
Please heeelp to solve these problems​
Darya [45]

Answer:

Q.89

Alkane - CnH(2n+2)

given that 8 H = > 8= 2n+2

therefore n= 3

C3H8 = 12×3 + 8×1= 36 +8 = 44

4 0
3 years ago
What does the atomic number tell you about the atom of the element
andrew-mc [135]

The atomic number of an element tells you the number of protons within said element.

6 0
3 years ago
Help asap plzzzz 30 points
Rus_ich [418]

Answer:

Do you need your 0.00 2 oz

Explanation:

Because that is the right answer

4 0
3 years ago
Other questions:
  • What do you call a mass of rock and soil deposited directly by <br> a glacier
    9·1 answer
  • What is the ph of the solution in which the h+ is 1.0 x10-4 mol/l
    8·1 answer
  • Why does water boils at a higher temperature than a non-polar solvent like ether?
    5·1 answer
  • There are 81 amino acid residues in the precursor molecule of bovine insulin. What is the least number of bases that must be in
    6·2 answers
  • If a car has a force of 490 N forward and encounters a backwards force of
    5·1 answer
  • A student reports the density of an article to be 1.92 g/mL. The accepted value of density is 1.89 g/mL. Calculate the student's
    13·1 answer
  • PLZZ HELP!! If light traveling through air is then passed through glass, what is the result?
    13·1 answer
  • Which of the following can be calculated from the mass of the reactants used in a chemical reaction?
    9·2 answers
  • HELP ! DUE IN 41 MINUTES!<br> WILL GIVE BRAINLISIT!!!!!!
    6·1 answer
  • Click on the event or events that led to the formulation of the cell theory
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!