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Lemur [1.5K]
3 years ago
9

Two colorless solutions are mixed together bubbles form as the solution is stirred give to possible explanations for this result

Chemistry
1 answer:
Aleks [24]3 years ago
5 0
One possible answer could be that a chemical reaction has occurred.
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2 HI(g) = H2(g) + 1,(9) K, - Party met = 0.0016 The decomposition of HI(g) at 298 K is represented by the equilibrium equation a
givi [52]

Answer:

(C) P = 7.4 torr, because it is directly proportional to the initial pressure of HI.

Explanation:

From the equation of reaction,

Kc = [H2][I2]/[HI]^2

Kc = 0.0016

Initial pressure of HI = 200 torr

Let the equilibrium pressure of I2 be y

Mole ratio of H2 to I2 from the equation of reaction is 1:1, equilibrium pressure of H2 is also y

Mole ratio of HI to I2 is 2:1, equilibrium pressure of HI is (200 - 2y)

0.0016 = y×y/(200 - 2y)^2

y^2 = 0.0016(40,000 - 800y + 4y^2)

y^2 = 64 - 1.28y + 0.0064y^2

y^2 - 0.0064y^2 + 1.28y - 64 = 0

0.9936y^2 + 1.28y - 64 = 0

y^2 + 1.29y - 64.41 = 0

The value of y must be positive and is obtained by the use of the quadratic formula.

y = [-1.29 + sqrt(1.29^2 - 4×1×-64.41)] ÷ 2(1) = [-1.29 + 16.10] ÷ 2 = 14.81 ÷ 2 = 7.4

Equilibrium pressure of I2 is 7.4 torr because the relationship between I2 and HI is direct in which increase in one quantity (initial pressure of HI) would result to a corresponding increase in the other quantity (equilibrium pressure of I2)

3 0
3 years ago
What is the percent abundance of Pt-198, if the average atomic mass of platinum is 195.16 and platinum has four naturally occurr
nlexa [21]

Answer:

Explanation:

8%

5 0
3 years ago
HELP!!!!
ale4655 [162]

Answer: Option (b) is the correct answer.

Explanation:

Since energy of reactants is less than the energy of products. Therefore, it means energy is absorbed during the reaction.

As the energy required to break the bonds in the reactants is greater than the energy released when products are formed.  

Therefore, it is an endothermic reaction.

Thus, we can conclude that the statement, it is endothermic because the energy required to break bonds in the reactants is greater than the energy released when the products are formed is correct.

5 0
3 years ago
Read 2 more answers
A atom neutral (one with 0 extra charge)?
telo118 [61]
Nuetrons=neutral
protons =positive
electrons=negative
8 0
3 years ago
How many electrons in an atom can have a quantum number of n = 2?
yuradex [85]
It would be 18 electrons i think 
4 0
3 years ago
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