Wich substances is most likely to form in a precipitation reaction?

Answers

Answer 1
Answer:

Answer:

A precipitation reaction refers to the formation of an insoluble salt when two solutions containing soluble salts are combined. The insoluble salt that falls out of solution is known as the precipitate, hence the reaction's name.

Explanation:


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Explain why HCl can be a strong electrolyte, but a dilute HCl solution can be a poor conductor?
Describe the environmental impacts that are involved during the design, research and development, and marketing phases of cell phones.
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15) What is the hydronium ion concentration [H3O + ] of a 0.125 M hydrocyanic acid solution with Ka = 4.9 × 10-10? The equation for the dissociation of hydrocyanic acid is: HCN(aq) + H2O(l) ⇌ H3O+(aq) + CN- (aq)

Answers

The hydronium ion concentration [H₃O⁺]=7.826 x 10⁻⁶

Further explanation

In general, the weak acid ionization reaction  

HA (aq) ---> H⁺ (aq) + A⁻ (aq)  

Ka's value  

\large {\boxed {\bold {Ka \: = \: \frac {[H ^ +] [A ^ -]} {[HA]}}}}

Reaction

HCN(aq) + H₂O(l) ⇌ H₃O⁺(aq) + CN⁻ (aq)

0.125

x                                   x               x

0.125-x                         x               x

\tt Ka=([H_3O^+][CN^-])/([HCN^-])

\tt 4.9* 10^(-10)=(x^2)/(0.125-x)\approx (x^2)/(0.125)\n\nx^2=6.125* 10^(-11)\n\nx=7.826* 10^(-6)

Hich nuclide is most likely to undergo beta decay?which nuclide is most likely to undergo beta decay?co−52ar−35si−22mg−28

Answers

200
     Pt
 78
 is most likely to undergo beta decay.

During the process of beta decay the mass number of the parent nuclide becomes equal to the newly created nuclide. On the other hand, the atomic number of the newly created nuclei increases or decreases by one unit.

Please help me I’m not sure with that

Answers

What I can’t see the pic ?hhbc639l73773 ghcbhjbch

Answer:

i cant see the picture sorry

Explanation:

What change would you expect on the rate of the SN2 reaction of 1-iodo-2-methylbutane with cyanide ion if the nucleophile concentration is halved and the alkyl halide concentration is unchanged ?

Answers

Answer:

Rate of reaction will be half of it's initial value

Explanation:

For the given S_(N)2 reaction, the rate law is -

Rate=k[1-iodo-2-methylbutane][CN^(-)]

Where k is rate constant, [1-iodo-2-methylbutane] is concentration of 1-iodo-2-methylbutane and [CN^(-)] is concentration of CN^(-)

Here nucleophile is the CN^(-) ion

Initiallly, (Rate)_(initial)=k* [1-iodo-2-methylbutane]_(initial)* [CN^(-)]_(initial)

When concentration of CN^(-) is halved then-

Rate=k* [1-iodo-2-methylbutane]_(initial)* ([CN^(-)]_(initial))/(2)=((Rate)_(initial))/(2)

So rate of reaction will be half of it's initial value

PSYCHOLOGYWhich of the following statements is not correct concerning the relationship between attention and perception? Focusing one’s attention on something in the environment is necessary in order to perceive it. Individuals have the ability to focus attention on a specific stimulus in the midst of surrounding activity. Whether or not people perceive information as meaningful influences their attention to it. Individuals can easily detect changes in the environment when they are absorbed in a task.

Answers

The statements is not correct concerning the relationship between attention and perception is that individuals can easily detect changes in the environment when they are absorbed in a task.

What is psychology?

Psychology is defined as the scientific discipline that studies mental state and processes and behavior in human and other animals.

It can also be defined as the scientific study of mind and behavior.

Environment is defined as the sum total of all the living and non living elements and there effect that influences human life.  

Thus, the statements is not correct concerning the relationship between attention and perception is that individuals can easily detect changes in the environment when they are absorbed in a task.

To learn more about psychology, refer to the link below:

brainly.com/question/10980588?

#SPJ2

Answer:

The answer is Individuals can easily detect changes in the environment when they are absorbed in a task.

Explanation:

What type of compound is disulfur dichloride?a. organic compound
b. acid (ionic compound)
c. covalent compound
d. ionic compound

Answers

Answer:

Covalent compound

Explanation:

It is formed by covalent bonds, in which the atoms share a pair of valence electrons