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katen-ka-za [31]
3 years ago
9

The solid inner core of a comet​

Chemistry
2 answers:
Wittaler [7]3 years ago
6 0

Answer:

i also donot know please tell me

Explanation:

any body freefire player here

notka56 [123]3 years ago
3 0

Answer:

nucleus

Explanation:

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Solid lithium iodide decomposes into solid lithium and iodine gas . Write a balanced chemical equation for this reaction.
olga_2 [115]
<span>Balanced chemical equation is :
2LiCl(s) ----> 2Li(s) + Cl2(g) 
</span>
8 0
3 years ago
How many iron atoms are in 7.890 g of iron?
zhenek [66]

Answer:

see explanation

Explanation:

#Atoms = (mass/atomic wt) x 6.02 x 10²³

  • mass is grams
  • atomic weight is grams/mole
  • 6.02 x 10²³ is atoms/mole
8 0
2 years ago
When an oxidant is present, vitamin C can be converted to a product described as (5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-
Step2247 [10]

Answer:

D) Vitamin C is oxidized to yield a furan ring with 3 carbonyl groups and no double bonds

Explanation:

We can tell that the compound " (5R)-5-[(1S)-1,2-dihydroxyethyl]-3,4-dihydroxy-furan-2,3,4(5H)-trione " has 3 carbonyl groups due to it having "trione" in the name (and it lacking other carbonyl group names, like amide or carboxylic acid).

As there is no "-ene" part of the name referencing a double bond, the only option left is option D).

3 0
3 years ago
A gas in a 6.2 mL cylinder has a pressure of 1.4 atmospheres. A piston is pushed in
Ronch [10]

Answer:

A) 2.8 atm

Explanation:

3 0
3 years ago
What risks does nuclear waste pose to Earth or the sun or outer space?
sesenic [268]

Answer:

It could pollute other planets. Nuclear waste might be attracted by the gravitational pull of the sun and disintegrate there instead. The waste storage spacecraft could crash into a planet, moon, or another astronomical body. It could be dangerous for other life forms out there.

Explanation:

6 0
3 years ago
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