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
MaRussiya [10]
3 years ago
12

Which burns faster, a large log or the same log cut into small sticks of wood?

Chemistry
1 answer:
Harlamova29_29 [7]3 years ago
8 0

Answer: Small sticks of wood would burn faster.

Explanation:

Rate of a reaction is the speed which a reaction takes place.

Rate of a reaction depends on the surface area of the particles. More is the surface area, more will the rate of reaction as more of the particles surface would be exposed for the reaction to occur.

Surface area is increased by decreasing the size of the particles.

Thus a large log will burn slower as compared to the same log cut into small sticks of wood as lesser area will be exposed to air and thus rate of burning will be slow.

You might be interested in
How many moles of glucose (C6H12O6) are in 1.5 liters of a 4.5 M C6H12O6 solution
Natalija [7]
M=n/V , 4.5=n/1.5 , (45/10). (15/10)=n , (9/2).(3/2)=n=27/4 , n=6,75
3 0
3 years ago
24. When the equation
serg [7]

Answer:

Explanation:

3

Explanation:

The reaction expression is given as:

     Al(OH)₃  +   HNO₃   →    H₂O   +  Al(NO₃)₃  

To solve this problem, let us assign coefficient a,b,c and d to each specie;

          aAl(OH)₃  +   bHNO₃   →    cH₂O   +  dAl(NO₃)₃  

Conserving Al : a  = d

                  O:  3a + 3b  = c + 9d

                  H: 3a + b  = 2c

                  N: b  = 3d

let a = 1 , d  = 1, b  = 3 , c = 3

 Multiply through by 3;

a  = 1, b  = 3, c = 3 and d  = 1

  Al(OH)₃  +   3HNO₃   →    3H₂O   +  Al(NO₃)₃  

7 0
2 years ago
Read 2 more answers
Which of the following reactions does the coenzyme biotin catalyze?
Papessa [141]

Answer:

c. decarboxylation of an a-keto acid.

Explanation:

Decarboxylation refers to the removal of the carboxyl group from a carboxylic acid and thus releasing carbon dioxide. Decarboxylases are enzymes that speed up the removal of the carboxyl group from acids. These reactants could be amino acids, alpha-keto acids, and beta-keto acids. Biotin is known to catalyze the decarboxylation of malonyl CoA to acetyl CoA during fatty acid synthesis.

Malonyl CoA is converted to acetyl CoA after decarboxylation assisted by biotin also known as Vitamin H. Alpha keto acids are involved in fatty acids synthesis and Malonyl CoA is an alpha-keto acid because the keto group is located in the first carbon near the carboxylic acid group. Keto acids have both a carboxyl group and a ketone group.

5 0
3 years ago
What is the source of the thermal energy that heats our planet's<br> atmosphere?
boyakko [2]
The sun
The heat source for our planet is the sun. Energy from the sun is transferred through space and through the earth's atmosphere to the earth's surface. Since this energy warms the earth's surface and atmosphere, some of it is or becomes heat energy.
5 0
2 years ago
Read 2 more answers
Can someone help me with this question pls and thank you. (:
3241004551 [841]
No I wouldn’t be the same
3 0
3 years ago
Read 2 more answers
Other questions:
  • The graph below shows how solubility changes with temperature
    13·2 answers
  • Elements, compounds, and mixtures​
    5·1 answer
  • Chemical decontamination can be accomplished with liquids such as chlorox, Lysol, amphyl or a gas such as ethylene oxide.
    15·1 answer
  • 3. Give two examples of an ionic compound.
    7·1 answer
  • Engineering applies blank And math to develop technology
    15·1 answer
  • Gerry is looking at salt under a powerful microscope and notices a crystalline structure. What can be known about
    13·1 answer
  • Why the piece of sodium chloride is hard than sodium metal?
    14·1 answer
  • 50 points please do this In your OWN WORDS DO NOT COPY FROM SOMEWHERE ELSE!
    6·1 answer
  • How many total atoms are in 0.450 moles of carbon dioxide?
    14·1 answer
  • Which of the following best describes the formation of waves?
    7·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!