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
laiz [17]
3 years ago
13

A substance that speeds up a chemical reaction without undergoing a permanent change itself is a(n)

Physics
1 answer:
ratelena [41]3 years ago
8 0
<h3>Answer:</h3>

Catalyst

<h3>Explanation:</h3>

To answer the following question we need to ask ourselves the following questions;

What is a catalyst?

  • A catalyst is any substance that increases the rate at which a chemical reaction occurs.

How does it perform its function?

  • Catalysts increase the rate of chemical reaction without be consumed.
  • They do so by reducing the amount of activation energy of the reactants. By so doing the rate of formation of products increases.

Do catalysts undergo any change after the reaction?

  • Catalysts do not undergo permanent changes during the reaction. They remain the same at the end of the reaction/
You might be interested in
A 0.141 kg pinewood derby car is moving 1.33 m/s . What is its momentum?
kompoz [17]

momentum= mass × velocity = 0.141kg×1.33m/s= 0.18753kg m/s = 0.188kg m/s (3s.f.)

7 0
3 years ago
After rubbing a balloon on your shirt, your hair sticks up when the balloon is near your head. Explain how tiny particles on you
skad [1K]
Almost right. protons are positive and electrons are negative. so when you run the balloon on your hair, electrons are transferred between them (i’m not sure which direction) and now one is positively charged as it lost negative particles and one is negative as it gained negative particles (electrons). opposite charges attract
3 0
2 years ago
The current in a stream runs at 5 miles per hour. if a boat can go 15 miles per hour on still water, how fast can the boat go do
arsen [322]
Down stream it would be going 20 mph and up stream 10 mph
3 0
3 years ago
Voices of swimmers at a pool travel 400 m/s through the air and 1,600 m/s underwater. The wavelength changes from 2 m in the air
frosja888 [35]

The frequency of the wave has not changed.

In fact, the frequency of a wave is given by:

f=\frac{v}{\lambda}

where v is the wave's speed and \lambda is the wavelength.

Applying the formula:

- In air, the frequency of the wave is:

f=\frac{400 m/s}{2 m}=200 Hz

- underwater, the frequency of the wave is:

f=\frac{1600 m/s}{8 m}=200 Hz

So, the frequency has not changed.

3 0
3 years ago
Read 2 more answers
Cori uses 475 J of energy from her muscles to push a bar 1 m on a weight machine at the gym. Between the bar’s motion , the heat
dimulka [17.4K]

Answer:

475

Explanation:

Cori does not exert any more force than 475 J, so 475 is the answer.

5 0
3 years ago
Read 2 more answers
Other questions:
  • A severe thunderstorm dumped 2.0 in of rain in 30 min on a town of area 22 km2. what mass of water fell on the town? one cubic m
    6·2 answers
  • Neil rides his long board to Physics class. He travels 8 m east the 4 m north. What distance did he cover? Please include the nu
    14·1 answer
  • The speed of all electromagnetic waves in empty space is 3.00 × 108 m/s. what is the wavelength of radio waves emitted at 83.6 m
    13·1 answer
  • When we talk about how a Ferrari obtains a top speed of 349 km/h, are we referring to average speed or instantaneous? How do you
    13·1 answer
  • What direction do s waves move in
    10·1 answer
  • A converging lens focuses a set of light rays entering the lens on one side parallel to its axis to a single focal point on the
    10·1 answer
  • A speed skater goes around a turn with a 31 m radius. The skater has a speed of 14 m/s and experiences a centripetal force of 46
    5·1 answer
  • The color aftereffects phenomenon predicts that, after staring at a bright red rectangle for a period of time, you will see a __
    7·1 answer
  • In the picture shown below A represents a characteristic of only geocentric model, B represents a characteristic common to both
    14·1 answer
  • What is an isotope?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!