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
yuradex [85]
3 years ago
14

Help Me Guys I Need This Now ​

Chemistry
2 answers:
valkas [14]3 years ago
5 0

Answer:

Answers below!

Explanation:

11. F

12. T

13. T

14. F

15. T

16. T

17. F

18. F

19. T

20. F

21. PC

22. CC

23. PC

24. CC

25. CC

ycow [4]3 years ago
5 0

Answer:

Sorry I'm not sure on questions 11-20 but I thought I'd answer a few since you need the answers.

21. PC

22. CC

23. PC

24. CC

25. CC

Explanation:

21 is a PC because the pencil is not changing it's form. 22 is a CC because when you're frying an egg the egg goes through a chemical change and changes form. 23 is a PC because the paper isn't being chemically changed. 24 is a CC because the ingredients in the cake and the cake itself is going through a chemical change. 25 is a CC because anything with fire is a chemical change, it is forming a new substance, and it's producing heat.

You might be interested in
What is the opposite force to pushing off the ground to jump?
Fed [463]

Answer:

Newton's Third Law of Motion states that to every action there is an equal and opposite reaction. When the earth pushes on you to send you into the air after jumping, you also push on the earth with the same force. But forces are different from accelerations. A force F is a push or pull on an object

Explanation:

8 0
3 years ago
Read 2 more answers
Blood is brought by the veins to the lungs to become oxygenated. Oxygenation occurs at the small structures of the lungs called
Licemer1 [7]

Answer:

Where does the exchange of the blood in the veins and oxygen in the lungs take place?

ALVEOLI are the very small air sacs where the exchange of oxygen and carbon dioxide takes place. CAPILLARIES are blood vessels in the walls of the alveoli. Blood passes through the capillaries, entering through your PULMONARY ARTERY and leaving via your PULMONARY VEIN

Explanation:

5 0
3 years ago
Read 2 more answers
What is the systematic name and molecular formula of these two:
Hitman42 [59]

Answer:

2,4-di Ethyl-2-methylpentane

C10H22

3,4 dimethyl heptane

C9H20

Explanation:

3 0
3 years ago
What occurs to the kinetic energy when the mass moving object is doubled?
seraphim [82]

Answer:

Kinetic energy increases.

Explanation:

Kinetic energy is energy you get from moving. The equation for KE depends on mass as well as velocity. If you increase one of these factors, KE will increase too.

5 0
3 years ago
What is the mass (in grams) of 1.34 moles of CaCl2?
zloy xaker [14]
110.984 grams and this is for the 20 characteristics u have to use
5 0
4 years ago
Other questions:
  • How many moles are in 123.0g (NH4)2SO4
    13·1 answer
  • Which is true about the temperature of a gas?
    11·1 answer
  • When each of the following is heated to 50 degrees Celsius and the temperature is held constant for five minutes, which one unde
    15·2 answers
  • Give the half-equation for the reaction at the anode, during
    10·1 answer
  • The crack shown in the lithosphere was created by the movement of two or more tectonic plates. What is this crack called
    8·1 answer
  • Select the statement that best describes components of complete and incomplete metamorphosis. (2 points)
    14·2 answers
  • Please help me, I really don't want to fail but I don't know how to do this
    7·1 answer
  • The strength of an acid is affected by the polarity of the bond connected to the acidic hydrogen. The more highly polarized this
    5·1 answer
  • How is chemotropism affected in space
    8·1 answer
  • When molten magma cools ________ under the surface, it forms _________ igneous rocks.
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!