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
Dmitrij [34]
3 years ago
13

What is the definition of a catalyst?

Chemistry
1 answer:
aleksandrvk [35]3 years ago
7 0

Answer:

I think the best answer is (5) because catalyst are known to speed up a reaction without being changed

You might be interested in
By making your decision, did you support the opinions of the mayor and/or the dam safety official? why or why not?
Nady [450]
An earthquake is a catastrophic<span> event that results from a gradual accumulation of stresses at fault lines. Clearly </span>catastrophism<span> is at work.</span>
6 0
3 years ago
What is the purpose of the ice?
kompoz [17]

Answer:

Ice act and help in condensation of the vapor

Explanation:

The energy released when gaseous water vapor condenses to form liquid water droplets is called latent heat. Latent heat from condensation causes an increase in air temperature surrounding the water droplets. The warmer air rises, causing the water vapor to condense when it meets cooler air at a higher altitude

3 0
2 years ago
How many electrons are in p orbitals in Si (Silicon)?
insens350 [35]

Answer:

6 electrons

Explanation:

The p orbital can hold up to six electrons. We'll put six in the 2p orbital and then put the next two electrons in the 3s.

8 0
3 years ago
Molecules tend to move from an area where they are more concentrated to an area where they are less concentrated. this process i
lara31 [8.8K]
Your answer would diffusion 
4 0
3 years ago
What is SEAgel help plz
DanielleElmas [232]

SEAgel (Safe Emulsion Agar gel) is one of a class of high-tech foam materials known as aerogels.

5 0
3 years ago
Read 2 more answers
Other questions:
  • The ________ is what needs to be overcome in a reaction so that it can proceed to the products.
    7·1 answer
  • A person's heartbeat is 89 beats per minute. If his/her heart beats 3.1e9 times in a lifetime, how long (in whole years) does th
    8·1 answer
  • By looking at the location of f on the periodic table what can you know about fluorine?
    7·2 answers
  • Differentiate between a pure substance and a mixture and provide examples
    12·1 answer
  • Which of the following molecules is non polar? A.HF. B.HCN. C.NH3. D.CF4
    9·1 answer
  • What's the functional group if ch3c2ch3oh​
    11·1 answer
  • Plant cells have a cell wall instead of a cell membrane - true or false​
    15·1 answer
  • What is polarization??​
    8·2 answers
  • Each periods starts with a strong metal except the first period true or false​
    13·1 answer
  • How does a lock and key model allow enzymes in the human body to lower activation energy?
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!