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vichka [17]
3 years ago
13

Please answer my last question that I have I will love you forever and give you brainliest pleasssssee

Chemistry
2 answers:
Len [333]3 years ago
7 0
It doesn’t show the question hdjfntkgjng gnmhmhkhkmgrjhrhrhgdh
Olin [163]3 years ago
5 0

Answer:

Explanation:

I started an online school a couple of years ago. The first year i actually failed because i was not doing my work or joining any of my live classes. Design goals for yourself and sustain the progress . I have trouble with motivation to and focusing in class when i'm not interested in what we are learning . I say just do it and get it done. Would you rather get a  zero instead of getting full points or even getting a few points taking off of something it's better than nothing?Hype yourself up after doing a assignment even if it's worth really no points.You got this.

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100 points+Brainliest for correct answer
morpeh [17]

Answer:

O Option 1

Explanation:

IF ENERGY IS RELEASED, THEN ENERGY RELEASED SHOULD BE SUBTRACTED FROM ORIGINAL.

(16.32 X 10^-19) - (5.4 X 10^-19)

10.92 X 10^-19

6 0
3 years ago
Read 2 more answers
Calculate the number of atoms of each 4(NH4)2S
vaieri [72.5K]
4- N
8- H
2-S
Or in 4 nitrogens, 8 hydrogens, and 2 silicons
3 0
3 years ago
Explain how compaction is important in the formation of coal.
olchik [2.2K]

Coal is being formed from decayed fossils and remains. These materials are smashed, "compacted" together until their chemicals merge together from the pressure of the compacting this is also how diamonds form from coal just more heat and more pressure. This process is called compaction. Without such, no coal will be present.


7 0
3 years ago
Read 2 more answers
Which electrons are the valence electrons of the atom?<br> Helpppppppp
Arlecino [84]

Explanation:

electrons in the highest energy orbitals which are able to contribute to Bonding are valence electrons,....... please mark me brainiest

4 0
3 years ago
You have 627 ml of 5.04 M HCl. Using a volumetric pipet, you take 229 ml of that solution and dilute it to 921 ml in a volumetri
trasher [3.6K]

Answer:

0.653

Explanation:

1)

M1V1 = M2V2

M1 = 5.04 M

V1 = 229 mL ( you take only this volume)

V2 = 921 mL

5.04*229 = M2 * 921

M2 = (5.04*229)/921 Molarity

2)

M1V1 = M2V2

M1 = (5.04*229)/921

V1 = 100 mL

V2= 192 mL

(5.04*229)/921 *100 = M2 * 192

M2 = [(5.04*229)/921 *100]/192 = 0.653 final molarity

8 0
3 years ago
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