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Sergeu [11.5K]
4 years ago
8

5) Samantha added 125 mL of water to 100mL of a stock solution to make

Chemistry
1 answer:
Aleks [24]4 years ago
5 0
The answer will be 3 moles
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NEED ASAP!!!!
marin [14]

Answer:

A

D

E

and maybe C I'm not sure on that one.

Explanation:

8 0
3 years ago
How would I draw this? Thank you in advance!<br> (Z)-4-chloro-3-methylhept-2-ene
Savatey [412]

Answer:

In the attached photo.

Explanation:

Hello,

You could find the structure in the attached photo, taking into account that the initial (Z) resembles to the trans arrangement for this alkene.

Best regards.

3 0
3 years ago
Complete the sentences to identify the trend in first ionization energies as one proceeds down the group 7A elements and explain
Harrizon [31]

Answer:

a)decrease

b)increase

c)smaller

d)smaller

Explanation:

Ionization energy decreases down the group due to increase in the atomic radius. The distance between the outermost electron and the nucleus increases hence the nuclear attraction for the outermost electrons become smaller and the ionization energy also become smaller as electrons are now easily removed from the outermost shell.

Hence the group of answer choices provided above.

3 0
4 years ago
Which of the following is not an example of a molecule A. Mn     B. KOH    C. O₃    D. H₂S
goldenfox [79]

look at the chemical tables.  but i believe it is A

3 0
3 years ago
Read 2 more answers
Who discovered the electron and what instrument did he use?
Leni [432]

Answer:J.J. Thomson, he was using a high-vacuum cathode-ray tube

Explanation:(I Googled it)

8 0
3 years ago
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