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3 years ago

Which term describes this reaction?

Chemistry

2 answers:

vovangra [49]3 years ago

8 0

C.) addition polymerization

because there is an addition of ethene molecules but there are no bond being condensed

Brilliant_brown [7]3 years ago

5 0

Answer: Option (C) is the correct answer.

Explanation:

When a monomer unit of a polymer simply links to its number of molecules without forming any other product is known as addition polymerization.

Whereas in a elimination reaction an element eliminates from the reactants and in a substitution reaction an element in a compound is substituted by another element.

On the other hand, condensation reaction is a reaction in which molecules link together along with formation of by products such as water or methanol.

Thus, we can conclude that addition polymerization is the term which describes given reaction.

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Hydrogen sulfide decomposes according to the following reaction, for which Kc = 9.30 10-8 at 700°C. 2 H2S(g) 2 H2(g) + S2(g) If

Vikentia [17]

Answer:

The equilibrium concentration of hydrogen gas is 0.0010 M.

Explanation:

The equilibrium constant of the reaction = $K_c=9.30\times 10^{-8$ }

Moles of hydrogen sulfide = 0.31 mol

Volume of the container = 4.1 L

$[concentration]=\frac{moles}{volume (L)}$

$[H_2S]=\frac{0.31 mol}{4.1 L}=0.076 M$

$2H_2S(g)\rightleftharpoons 2H_2(g)+S_2(g)$

Initially

0.076 M

At equilibrium

(0.076-2x) 2x x

The expression of an equilibrium constant :

$K_c=\frac{[H_2]^2[S_2]}{[H_2S]^2}$

$9.30\times 10^{-8}=\frac{(2x)^2\times x}{(0.076-x)^2}$

Solving for x:

x = 0.00051

The equilibrium concentration of hydrogen gas:

$[H_2]=2x=2\times 0.00051 M=0.0010 M$

4 0

4 years ago

What would happen when a substance changes from one phase to another? A. The substance loses or gains heat. B. The average kinet

lutik1710 [3]

I think the correct answer from the choices listed above is option B. When a substance changes from one phase to another, the average kinetic energy of the substance <span>changes since the molecules movements are changed as well. Hope this answers the question. Have a nice day.</span>

3 0

3 years ago

In which way are plant and animals cells similar

Zarrin [17]

Answer:

Both animal and plant cells are eukaryotic cells and have several similarities. The similarities include common organelles like cell membrane, cell nucleus, mitochondria, endoplasmic reticulum, ribosomes and golgi apparatus

Explanation:

hey both contain membrane-bound organelles such as the nucleus, mitochondria, endoplasmic reticulum, golgi apparatus, lysosomes, and peroxisomes.

5 0

3 years ago

Read 2 more answers

Is pOH=4.3 an acid or a base

AfilCa [17]

Answer:

a base

Explanation:

first convert the pOH to pH, that way it will

be easy to decide.

formula:pOH+pH=14

pH=14-4.3=9.7

high pH tells us it's a base

6 0

3 years ago

WILL GIVE BRAINLIEST TO ANSWER

aleksklad [387]

Answer:

2.5 grams

Explanation:

you can see it on the graph

4 0

3 years ago