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
marysya [2.9K]
3 years ago
10

Q82. Liquid petrol does not ignite spontaneously when exposed to the air because

Chemistry
1 answer:
sashaice [31]3 years ago
7 0
Liquid petrol does not ignite spontaneously when exposed to the air because there is not enough molecules that contains energy to reach the activation energy. As a result, the reaction cannot proceed and a supply of energy should be added for the reaction to occur.
You might be interested in
Which of the following chemical equations is unbalanced? A. 2C + H2 CH4 B. 2Al2O3 4Al + 3O2 C. 2H2O2 2H2O + O2 D. 2C2H6 + 7O2 4C
Tanya [424]

Answer:

A. 2C + H₂ ⟶ CH₄  

Explanation:

A. 2C + H₂ ⟶ CH₄

UNBALANCED. 2C on the left and 1C on the right

B. 2Al₂O₃ ⟶ 4Al + 3O₂  

Balanced. Same number of each type of atom on each side.

C. 2H₂O₂ ⟶ 2H₂O + O₂  

Balanced. Same number of each type of atom on each side.

D. 2C₂H₆ + 7O₂ ⟶ 4CO₂ + 6H₂O

Balanced. Same number of each type of atom on each side.

8 0
3 years ago
Magnesium and nitric acid to give magnesiumnitrate and water balancing equation​
marusya05 [52]
Balanced equation:

Mg + 2 HNO3 —> Mg(NO3)2 + H2

This is a metal + acid reaction giving salt and hydrogen (not water).
3 0
2 years ago
What is fiber and fabric
Sidana [21]

Answer:

Fibre , it is a long thin strand or something like thread of material.

Fabric, it is a cloth material made by weaving or knitting threads together.

6 0
2 years ago
Read 2 more answers
Changes in temperature can often cause a change in the state of matter of objects. A decreasein temperature causes which of the
STALIN [3.7K]

Answer:

B. Water will freeze

<em>because</em><em> </em><em>the</em><em> </em><em>latent</em><em> </em><em>heat</em><em> </em><em>of</em><em> </em><em>vapourization</em><em> </em><em>decreases</em><em>.</em>

5 0
2 years ago
Which represents the correct equilibrium constant expression for the reaction below? Cu(s)+2Ag+(aq)&lt;-&gt;Cu2+(aq)+2Ag(s)
balu736 [363]
K(eq) = concentration of products/concentration of reactant         = [Cu+2] / [Ag+]^2 
Activity of pure solid and liquid is taken as 1.
Hence last option is correct.
Hope this helps, have a great day ahead!
I hope this helps you alot
:)
:)
:0

4 0
3 years ago
Read 2 more answers
Other questions:
  • Could a 3 ion of aluminum be made by adding three protons to an aluminum atom
    10·1 answer
  • How is the solubility of carbon dioxide gas in water increased?.answer.com?
    6·1 answer
  • .<br><br> How many atoms are in 2.70 moles of iron (Fe) atoms?
    15·1 answer
  • Anyone know the answer?
    6·1 answer
  • In the first 21.0 s of this reaction, the concentration of HBr dropped from 0.550 M to 0.506 M . Calculate the average rate of t
    10·1 answer
  • Based on the weather map, state the direction of the warm front. Using complete sentences predict the effect of the warm front o
    7·2 answers
  • The volume of a ball was measured at 500.0 cm?, and its mass was measured to be 404.2 g.
    6·1 answer
  • Given:
    9·1 answer
  • 7.In which state of matter molecules have more energy to vibrate.​
    5·1 answer
  • 50 POINTS !! I have a science project that I need help with its called pH
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!