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
alexdok [17]
3 years ago
12

What is needed to start a chemical reaction

Physics
2 answers:
LekaFEV [45]3 years ago
4 0

Answer:

reactants are needed to start a chemical reaction

Explanation:

am I correct

Novosadov [1.4K]3 years ago
3 0
Activation energy is needed to start a chemical reaction
You might be interested in
PLEASE HELP ME WITH THIS ONE QUESTION
Ipatiy [6.2K]

k = \dfrac{ (\dfrac{h}{ \lambda}  )^{2} }{2m}

k = (6.626×10-¹⁹/590 × 10-⁹ )^{2} /2 × 1.673 × 10-²⁷

k = (1.12 × 10-³⁰)^2/3.346×10-²⁷

k = 1.25 × 10-⁶⁰ /3.346×10-²⁷

k = 0

ldk why, my answer is coming this :(

4 0
2 years ago
Use the Electrostatic Series to predict the charges on the following pairs of substances when they are rubbed together:
Lisa [10]
Answer: Not 100% sure but I believe the answer is B.

Hope this helps! ^^
6 0
3 years ago
What is the speed of the sound wave if the frequency is 70 hertz and the wavelength is 0.4 meters
sesenic [268]

28 mps miles per second

8 0
3 years ago
Question 2 of 20
alukav5142 [94]

Answer: a

Explanation: because i said so

8 0
2 years ago
Write two ways to be protected from the energy crisis?​
Arada [10]
Possible Solutions to the Problem of Global Energy Crisis:

1. Move Towards Renewable Resources.
2. Buy Energy-Efficient Products.
5 0
2 years ago
Other questions:
  • An engine uses 5280 j of input heat to do 702 j of work.how much heat is rejected into the air
    13·1 answer
  • Calculate the energy in electron volts of X-rays that have a frequency of 3.00 x 100 Hz.
    9·1 answer
  • I need these for test corrections that are due tomorrow please :)
    14·1 answer
  • If we have less power, we most likely have
    8·2 answers
  • Suppose a plane accelerates from rest for 30 s, achieving a takeoff speed of 80 m/s after traveling a distance of 1200 m down th
    11·1 answer
  • The primary purpose of a switch in a circuit is to
    15·1 answer
  • Why is earth a magnet?
    12·1 answer
  • Describe sound and record​
    14·2 answers
  • 1. True or False: Most things in motion are accelerating, few things in real life move at a constant speed.
    5·1 answer
  • The self-inductance and capacitance of an LC circuit are 0.20 mH and 5.0 pF. What is the angular frequency at which the circuit
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!