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
defon
3 years ago
5

Is the reaction in a 'glow-stick' reversible or irreversible?

Chemistry
1 answer:
ValentinkaMS [17]3 years ago
6 0
Glow sticks are sold with a solution of oxalate and dye being in one vessel and a solution of hydrogen peroxide contained in another vessel. By bending the sticks, the inner vessel breaks. This allows the two solutions to mix and react with each other, leading to chemiluminescence. Since the reaction is not reversible, the glow sticks can only be used once.


https://en.chem-station.com/blog/2014/08/how-glow-sticks-are-made.html
You might be interested in
In a mixture of carbon dioxide in water ( a soft drink ) the Carbon Dioxide is the solute
Nataly [62]

Answer:

true :)

Explanation:

hope this helps :)

4 0
3 years ago
An aqueous solution contains the following ions: cl−, ag , pb2 , no−3, and so2−4. More than one precipitate will form. Identify
klasskru [66]

An aqueous solution contains the following ions Cl⁻, Ag⁺, Pb²⁺, NO₃⁻ & SO₄²⁻ and more than one precipitate will form are AgCl, PbCl₂, PbSO₄ & Ag₂SO₄.

<h3>What is precipitate?</h3>

Precipitate is the insoluble compound which is present at the bottom of any chemical reaction in the solid state.

If in an aqueous solution Cl⁻, Ag⁺, Pb²⁺, NO₃⁻ & SO₄²⁻ ions are present then:

  • Compounds AgCl, PbCl₂, PbSO₄ & Ag₂SO₄ are not soluble in water as it is present in the form of precipitate.
  • Pb(NO₃)₂ is fully soluble in water and will not make precipitate.

Hence precipitates are AgCl, PbCl₂, PbSO₄ & Ag₂SO₄.

To know more about precipitates, visit the below link:

brainly.com/question/2437408

#SPJ4

8 0
2 years ago
Without consulting Appendix B, arrange each group in order of increasing standard molar entropy (S°). Explain.(c) SF₆(g), SF₄(g)
Andre45 [30]

The increasing order of standard molar entropy (S°) is as follow:

SF₄(g) < SF₆(g) < S₂F₁₀(g)

<h3>What is Entropy? </h3>

Entropy is defined as the randomness of the particle. It depends on temperature and pressure or number of particle per unit volume.

It is directly proportional to the temperature and pressure of the gas.

<h3>What is Standard Molar Entropy? </h3>

The standard molar entropy is defined as the entropy content of the one mole of pure substance at the standard state of temperature and pressure of interest.

The standard molar entropy is also defined as the total amount of entropy which 1 mole of the substance acquire, as it is brought from 0K to standard conditions of temperature and pressure.

The standard molar entropy depends on the molas mass of atom, molecules or compound.

SF₄(g) has lower standard molar entropy. Due to less complexity of this molecules.

While, complexity increases from SF₆(g) to S₂F₁₀(g). Therefore, the standard molar entropy of S₂F₁₀(g) is greater than SF₆(g).

Thus, we concluded that the increasing order of standard molar entropy (S°) is as follow:

SF₄(g) < SF₆(g) < S₂F₁₀(g)

learn more about standard molar entropy:

brainly.com/question/15908262

#SPJ4

7 0
2 years ago
Please help this assignment is due today. First person to answer gets 17 points. Please help ASAP.
DochEvi [55]

Answer:

hi umm can you please be my friend please thankyou so much and the answer for this is can i please get brainlist and can you please like this and rate it so now the answer is what type of chemical bond commonly forms between adjacent water molecules? of ionic, covalent, and hydrogen bonds, ionic bonds are the most common type of chemical bonds found in the body.please may i grt brain-list

5 0
3 years ago
Which of the following is a properly written formula for a compound between copper and bromine? CuBR CUBR CuBr CUBr
drek231 [11]
Elements are represented by their symbols with the first letter capitalized and the rest in lowercase. Copper is represented by Cu and Bromine is represented by Br. When combined to for a compound, the format of the symbols remain. Hence, the correct format would be CuBr. Thus, the answer is C: CuBr<span>.</span><span />
5 0
4 years ago
Read 2 more answers
Other questions:
  • On a cold morning, the smoke coming out of a chimney is observed to be in blue color. What could be the reason? Name the effect
    13·1 answer
  • How was hubble important to our understanding of galaxies
    8·1 answer
  • What is the importance of the collagen in the human body?
    6·2 answers
  • How many moles are in 579 grams of Pt
    11·2 answers
  • ATP is a ____________ composed of a nitrogen-containing base, adenine, and a 5-carbon sugar ribose (together called adenosine),
    15·2 answers
  • How are real Gases Different from ideal Gases?
    11·1 answer
  • Which statement describes a change that occurs during a chemical reaction?
    8·1 answer
  • 5. What are the two types of pure substances ?
    9·1 answer
  • Justify the<br>the importance of solar enengy as on <br>alternative source of energy in Nepal​
    10·1 answer
  • A beaker contains a solution. A single solute crystal is added to the solution. Immediately, crystals form in the solution. Whic
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!