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Nataliya [291]
3 years ago
6

Identify the single replacement reaction(s) among the following reactions.

Chemistry
1 answer:
gizmo_the_mogwai [7]3 years ago
6 0
I believe it is C because Zn replaced Ag
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Does the amount of precipitation in each tube indicate that all the acid impurity has been removed from the ether layer containi
stich3 [128]
Precipitation reaction is a chemical reaction used to separate the insoluble solid to the aqueous solution. This is a technique that is usually used to separate the impurities. By knowing the right chemical to react with, only the pure acid will react and dissolve with ether. The impurity will be precipitated and will settle to the bottom.
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Lisa’s doctor tells her that she needs to eat more foods that contain calcium to maintain her bone health. What could happen if
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Answer:

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Explanation:

8 0
3 years ago
Which of the following bases is the STRONGEST? The base is followed by its Kb.A. C6H5NH2, 4.0 × 10-10 B. NH3, 1.76 × 10-5 C. CH3
Kamila [148]

Answer:

(D) (CH3CH2)2NH

Explanation:

In order to decide which base is strongest we need to calculate its PKb

PKb = -log [Kb]

A large Kb value and small PKb value gives the strongest base

 Compound                   Kb                           PKb      

(A) C6H5NH2 -         4 x 10^-10                      9.349

(B) NH3                     1.76x 10^-5                    4.754

(C) CH3NH2              4.4x 10^-4                     3.357

(D) (CH3CH2)2NH   8.6x 10^-4                     3.066

(E) C5H5N                  1.7x10^-9                      8.77  

Clearly (CH3CH2)2NH is the strongest base.

3 0
3 years ago
Could anyone help me with question 3?
Gwar [14]
Second one i think.......
3 0
3 years ago
Please help me I need these answers
lianna [129]
Question 4: C
question 5: D
8 0
3 years ago
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