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Otrada [13]
3 years ago
7

Hydrogen peroxide, h2o2(aq), decomposes into water and oxygen. adding a small amount of fecl3(aq) increases the rate of gas evol

ution in this reaction. what is the best description of the role of fecl3?

Chemistry
2 answers:
Shtirlitz [24]3 years ago
4 0
I would call ferric trichloride a catalyst here. It increases the rate of the rxn.
Brums [2.3K]3 years ago
4 0

Answer:

  • fecl₃ acting as catalyst-

iron (III) chloride is acts as the catalyst for the reaction which takes place in the transformation of hydrogen peroxide, H₂O₂(aq) into the two main products mainly water,H₂O and oxygen,O₂.

  • The reaction is as follow:
  • H₂O₂(aq)⇒ H₂O + O₂.

Explanation:

  • <u>Catalysts- </u>

A catalyst provide the best route or the easy path to start or initiate the reaction or the chemical transformation which leads to the speeding up the reactions.

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For the general reaction aA + bB cC + DD, has the general rate law, rate k[A] [B].". What is the
nataly862011 [7]

Answer:

K=CHANGE IN CONCENTRATION/TIME TAKEN

Explanation:

7 0
3 years ago
What is the cost in dollars for the nails used to build a fence 80 meters long if it requires 30 nails per meter? There are 40 n
svet-max [94.6K]

Answer:

4500 cent

Explanation:

From the question, we were told that

a fence 80 meters long requires 30 nails per meter.

1 metre fence = 30 nails

Then 80 meters long= ( 30 × 80)

= 2400 nails

Which means a fence 80 meters long will require 2400 nails in total.

We need to find the cost in dollars for the nails to build a fence 80 meters long.

We know that 40 nails per box will cost 75 cents per box.

(2400 nails/40 nail per box)= 60 box

Then 60 box will be needed to complete the fence.

the cost in dollars for the nails to build a fence 80 meters long= (60 box × 75 cent per box)=4500 cent

7 0
3 years ago
Which of these is the correct equation for the dissociation of water? Which of these is the correct equation for the dissociatio
BlackZzzverrR [31]

Answer: Option (a) is the correct answer.

Explanation:

A dissociation reaction is defined as the reaction in which a compound beaks down into two or more different parts.

For example, molecular formula of water is H_{2}O and when it dissociates then it given hydrogen ion and hydroxide ion.

Therefore, dissociation reaction for water is as follows.

     H_{2}O \rightleftharpoons H^{+} + OH^{-}

Thus, we can conclude that out of the given options H_{2}O \rightleftharpoons H^{+} + OH^{-} is the correct equation for the dissociation of water.

4 0
3 years ago
An important rule for students to know when heating a test tube is to
Brrunno [24]

Answer:

B .point the test tube away from others

Explanation:

Well in science your supposed to keep it away from you and others so the aroma doesnt harm your nose or anyone eles´s nose

Hoped I helped -\

Sleepy~

5 0
3 years ago
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