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
VladimirAG [237]
3 years ago
10

Which process results in a chemical change?

Chemistry
1 answer:
mariarad [96]3 years ago
8 0
2) melting an iron bar
You might be interested in
Which of the following statements concerning equilibrium constants is true? The equilibrium constant of the reverse reaction is
Brut [27]

Answer:

When the coefficients in a balanced chemical reaction are multiplied by two, the equilibrium constant is not affected.

Explanation:

The equilibrium constant of a reaction is known to remain steady.

Even if all the coefficients of all the species in the reaction are multiplied by two, the value of the equilibrium constant will reamin the same because the equilibrium position will not change as a result of that.

3 0
3 years ago
A fire is an example of ________________ reaction, because heat is _____________ the system.
Over [174]

d. exothermic; leaving

  • Exothermic reaction is a reaction that produces heat in the reaction whereas the endothermic reaction is a reaction in which heat is required to be given in the reaction to produce product.
  • Fire is an exothermic reaction.
  • A fire is produced due to oxidation of the fuel in the form of liquid or gas.
  • A fire is an example of combustion.
  • In fire both heat and light are left from fire due to the oxidation of fuel.

Hence, option d. exothermic; leaving is the correct option.

Learn more about fire:

brainly.com/question/12761984

8 0
3 years ago
Read 2 more answers
Other than exercises, what other factors do you think influences breathe/minute? <br>why?​
den301095 [7]

Answer:

I think probably diet because the type of food you put in your body (if it has high calorie or sodium) can severley affect your overall health and therefore affect your bpm(beats per minute)

Explanation:

5 0
3 years ago
Read 2 more answers
Which of the following best describes the force causing a rocket to lift off?
Papessa [141]

B gravitational force

I took the test :)

3 0
3 years ago
plants use energy from the sun in the process of photosynthesis to manufacture glucose what form of energy is that?
timurjin [86]
Solar, or <span>radiant to chemical.</span>
5 0
3 years ago
Other questions:
  • What changes in space result from the death of massive stars?
    13·1 answer
  • Will zinc and sodium carbonate react?
    8·1 answer
  • Which term refers to a group of organisms with common characteristics and the ability to interbreed
    10·2 answers
  • Which class of organic compound is least likely to be used as an organic solvent? aldehyde ketone alkyl halide ether
    9·2 answers
  • The number of dots around an element symbol in a Lewis dot structure equals the total number of electrons in an atom of that ele
    8·1 answer
  • A sample of 42 mL of carbon dioxide gas was placed in a piston in order to maintain a constant 101 kPa of pressure.
    7·1 answer
  • Summarize the feedback loop (transfer of energy) between the microbes and the mushrooms. (Video #1)
    7·1 answer
  • Which characteristics from the list below cause terrestrial planets to be more likely to have life than Jovian planets?
    15·1 answer
  • Pcl3+H2O=H3PO3+Hcl=?​
    5·2 answers
  • Cordell bought new tires for his bicycle. As he rode his bike on the hot street, the temperature of the air in the tires increas
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!