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CaHeK987 [17]
2 years ago
5

Which best describes a mixture?

Chemistry
1 answer:
natali 33 [55]2 years ago
5 0

Answer:

I think the answer would be b, sorry if I'm wrong(EDIT: ITS ACTUALLY AAAAA)

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Which is a single ringed nitrogeo base?<br><br> A)adenine<br> B)guanine<br> C)thymine<br> D)ribose
pogonyaev
A single ringed nitrogeo base is thymine (C)

3 0
3 years ago
Which of these statements is false? (A) Acetylene (ethyne) can be converted to the acetylide anion by treating with a strong bas
Free_Kalibri [48]

Answer:

(C) Acetylene (ethyne) can be converted to the acetylide anion by treating with a strong base such as CH₃​​Li.

Explanation:

Acetylene (C₂H₂) can be converted to the acetylide anion (C₂⁻²) when treated with a base because it will donate protons (2H⁺). So it will be a neutralization reaction. NaNH₂ and NaOH are strong bases because they are good electrons donators ( NaNH₂ has pair of electrons on N, and NaOH has the group OH⁻), but CH₃Li has no pair of electrons to donate, so it's not a strong base.

4 0
3 years ago
How many nickel atoms are in a nickel coin with a mass of 3.95g
lyudmila [28]

Answer:

4.05 × 10²² atoms

Explanation:

Step 1: Given data

Mass of nickel: 3.95 g

Step 2: Calculate the moles corresponding to 3.95 g of nickel

The molar mass of nickel is 58.69 g/mol.

3.95 g × (1 mol/58.69 g) = 0.0673 mol

Step 3: Calculate the atoms in 0.0673 moles of nickel

We will use Avogadro's number: there are 6.02 × 10²³ atoms of nickel in 1 mole of atoms of nickel.

0.0673 mol × (6.02 × 10²³ atoms/1 mol) = 4.05 × 10²² atoms

5 0
3 years ago
Which structural adaptation would help a plant survive better in a shady environment?
Gekata [30.6K]

Answer:C.

large leaves

Explanation: I took the test

3 0
3 years ago
The diagram illustrates the water cycle.
Amiraneli [1.4K]

Answer:

precipitation

Explanation:

trust me ............................

3 0
3 years ago
Read 2 more answers
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