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
sveticcg [70]
3 years ago
6

Hydrochloric acid and sodium hydroxide are mixed together to form salt and water. During the reaction, the temperature of the so

lution increases. Which of these best explains why this is considered to be a chemical change?
A.No energy was destroyed.
B.Heat was iven off.
C.It involves liquid.
D.New substances formed.
Chemistry
1 answer:
sammy [17]3 years ago
6 0
The best answer among the choices is option D. New substances are being formed will best explain that this process is a chemical change. Although, it cannot be seen directly we knew that an acid and base will undergo neutralization reaction forming a salt and water. The heat given off by the reaction can be a parameter however it does not only happens for reactions. It can also happen when dissolving substances.
You might be interested in
Which metals may be oxidized by H+ under standard-state conditions? Ag+(aq) + e– → Ag(s) E° = 0.80 V Cu2+(aq) + 2e– → Cu(s) E° =
Debora [2.8K]
Answer is: tin and zinc, because they standard potential as less than zero.
Tin and zinc are oxidized to tin and zinc cations (with +2 charge) and hydrogen anions are reduced to hydrogen molecules with neutral charge.
Zn → Zn²⁺ + 2e⁻; 2H⁺ + 2e⁻ → H₂.
<span>Oxidation is increase of oxidation number  and reduction is decrease of oxidation number.</span>
8 0
3 years ago
What is the percent composition by mass of chlorine in LiCI
Lelechka [254]

Answer: Lithium (Li) 16.373%

Chlorine (Cl) 83.627%

Explanation:

6 0
3 years ago
At catalyst is ______.
AlexFokin [52]
Heya!!!

Answer to your question:

A catalyst is ______
B. Not used up in a reaction.

Catalyst do not change the amount of reactants or products or itself get used but it just change the rate of reaction.

Hope it helps *_*
4 0
4 years ago
Use the drop-down menus to choose the correct answer to complete each statement.
Yakvenalex [24]

Answer:

moon, planet, planet

Explanation:

moons revolve around planets

Jupiter is considered a planet because it revolves the sun

and a planet is a body that revolves a star a dwarf planet doesn't revolve around a star

6 0
3 years ago
Read 2 more answers
In a polyatomic ion, the -ate ending indicates one ____ oxygen than the -ite ending. A. more B. cannot be determined C. less D.
Aneli [31]
Correct answer is A: more :)
4 0
3 years ago
Other questions:
  • Fluorine-21 has a half life of approximately 5 seconds. You have 340 grams, what fraction of the original nuclei would remain af
    5·1 answer
  • Table sugar completely dissolved in water is an example of a?
    15·2 answers
  • Why hydrochloric acid neutralized first when you titrate a mixture of Hcl&amp;ch3cooH against standard sodium hydroxide
    15·1 answer
  • What is meant by the half-life of a radioactive substance
    5·1 answer
  • What should have only one idependent variable
    8·1 answer
  • Please please help i dont get it
    8·2 answers
  • what is a molecule that has a positive side and a negative side as a result of polar bonding? ________ _________
    5·1 answer
  • Can a book sitting on a desk represent each of Newton's Laws?
    8·1 answer
  • how many carbon dioxide molecules are produced if 8.45 x 1023 of water molecules of water are produced
    14·1 answer
  • Mg3N2 + 6H2O<br> ---&gt;<br> 3 Mg(OH)2 + 2NH3
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!