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Nikitich [7]
1 year ago
5

hydrogen decomposes quickly when exposed to light. the reaction for decomposing hydrogen peroxide is:

Chemistry
1 answer:
Svet_ta [14]1 year ago
5 0

The decomposition reaction for hydrogen peroxide is given below:

                                     2H_{2} O_{2} → 2H_{2} O + O_{2}

This is a decomposition reaction.

Reactions in which a reactant breaks into two or more products are known as Decomposition reactions.

                                          AB → A + B

here, AB represents the reactant that begins the reaction, and A and B represent the products of the reaction

The decomposition reaction of decomposing hydrogen peroxide is exothermic. When the hydrogen peroxide undergoes a decomposition reaction, heat is also released along with water and oxygen.

Hence the  reaction for decomposing hydrogen peroxide is :

         2H_{2} O_{2} → 2H_{2} O + O_{2}

If you need to learn more about Decomposition reaction, click here

brainly.com/question/16987748?

#SPJ4

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The rate of dissolution is affected by all of the following except the A. agitation of solute within the solvent. B. surface are
laila [671]

Answer:

B

Explanation:

cause surface area of solute is not necessary for solution

8 0
3 years ago
Calculate the temperature required to make a 75.8 ml ballon initially at 57.9c change its value to 50.8ml
nika2105 [10]

Answer:

T₂ = 221.8 K

Explanation:

Given data:

Initial temperature = 57.9°C ( 57.9+273 =330.9 k)

Initial volume = 75.8 mL

Final volume = 50.8 mL

Final temperature = ?

Solution:

According to Charles's law,

V₁ /T₁= V₂/T₂

T₂ = V₂T₁/V₁

T₂ = 50.8 mL ×330.9 k / 75.8 mL

T₂ = 16809.72 mL.K/ 75.8 mL

T₂ = 221.8 K

6 0
4 years ago
3 Cu + 8HNO3 g 3 Cu(NO3)2 + 2 NO + 4 H2O
Ksivusya [100]

Considering the reaction stoichiometry, the amount of moles of NO that is produced when 27 moles of HNO₃ react is 6.75 moles.

<h3 /><h3>Reaction stoichiometry</h3>

The balanced reaction is:

3 Cu + 8 HNO₃ → 3 Cu(NO₃)₂ + 2 NO + 4 H₂O

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:  

  • Cu: 3 moles
  • HNO₃: 8 moles
  • Cu(NO₃)₂: 3 moles
  • NO: 2 moles
  • H₂O: 4 moles

<h3>Amount of moles of NO produced</h3>

It is possible to determine the the amount of moles of NO produced by a rule of three: if by stoichiometry 8 moles of HNO₃ produce 2 moles of NO, if 27 moles of HNO₃ react how many moles of NO will be formed?

amount of moles of NO=\frac{27 moles of HNO_{3} x 2 moles of NO}{8 moles of HNO_{3}}

<u><em>amount of moles of NO= 6.75 moles</em></u>

In summary, the amount of moles of NO that is produced when 27 moles of HNO₃ react is 6.75 moles.

Learn more about reaction stoichiometry:

<u>brainly.com/question/11999193</u>

<u>brainly.com/question/15111313?referrer=searchResults</u>

<u>brainly.com/question/9926203?referrer=searchResults</u>

<u>brainly.com/question/6061451?referrer=searchResults</u>

4 0
3 years ago
I need a bit of help on this I kinda forgot about this lesson
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A is correct because the fruit salad can be easily separated and the puch cannot so it is a solution and the fruit salad is a mixture.
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