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
kotykmax [81]
3 years ago
8

Which statement is true regarding a catalyst?

Chemistry
1 answer:
Alla [95]3 years ago
4 0

Answer:

d). A catalyst lowers the activation energy for a chemical reaction.

Explanation:

From the given choices, it is true that a catalyst lowers the activation energy for a chemical reaction.

The activation energy is the energy barrier that must be overcome before a chemical reaction can occur.

Some reactions have very high activation energy and would not occur without the introduction of a catalyst.

The catalyst brings the reactants into contact by removing the energy deficiency in the system.

You might be interested in
GIVING BRAINLIEST FOR RIGHT ANSWERS PLS HELP
Anuta_ua [19.1K]

Answer:

Answer: Chemical change; Chemical property of heat of combustion

Explanation:

A physical change is defined as a change in which there is alteration in shape, size etc. No new substance gets formed in these reactions.

Explanation:

4 0
3 years ago
Read 2 more answers
The amount of matter in an object is its
andrezito [222]

The amount of matter in an object is its Mass...

7 0
3 years ago
Rock and ice particles make up the ____ of the Jovian planets? Ring system, craters, volcanoes, or asteroids
lara31 [8.8K]
Jovian planets are what we call the "gas giants," so immediately we can eliminate craters or volcanos because they don't have a solid surface. asteroids in space doesn't belong to any specific planet, so the answer is ring systems.
5 0
3 years ago
How to know that it has a high boiling point based on the question
otez555 [7]

Answer:

The relative strength of the four intermolecular forces is: Ionic > Hydrogen bonding > dipole dipole > Van der Waals dispersion forces. ...

Boiling points increase as the number of carbons is increased.

Branching decreases boiling point.

Explanation:

5 0
3 years ago
Read 2 more answers
Which possible discovery would be attributed to an inorganic molecule?
egoroff_w [7]

Answer:

fireproofing spray used in firefighting can be termed as one of the possible discovery that would be attributed to an inorganic molecule.

Explanation: • There a number of advancement been made each day to improve the different process either domestic, industrial, or related to research work. As a number of professionals are always in search to get the right set of information or data to get to a more proper conclusion.

4 0
2 years ago
Read 2 more answers
Other questions:
  • Chemicals called ______ are those that can combine with h+ when hydrogen ions are in excess, and release h+ when hydrogen ion le
    6·2 answers
  • Help with number 20-22 please
    13·1 answer
  • A 28.5 gram piece of iron is added to a graduated cylinder containing 45.5 mL of water. The water in the cylinder rises to the 4
    5·1 answer
  • The attraction between positive ions and surrounding mobile electrons forms which type of bond?
    14·1 answer
  • A chemist needs 1.36 mol of strontium bromide, SrBr2, for a reaction. What mass of strontium chloride should the chemist use?
    5·2 answers
  • In the chemical formula for an ionic compound, which item is written first?
    8·2 answers
  • In some areas of Texas, rainfall quickly soaks through layers of porous rock and is stored naturally underground. The water is t
    10·1 answer
  • What is the difference between active transport? Which one requires energy?
    6·2 answers
  • Na2CO3 + 2HCl -> CO2 + H2O + 2NaCl 5.30g of NaCl was produced from 9.30g of Na2CO3. HCl was present in excess. What is the %
    5·1 answer
  • What type of weather is associated with high pressure?
    9·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!