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vovikov84 [41]
2 years ago
5

PLSS HELP!! 50 POINTS AND BRAINLIEST!!

Chemistry
1 answer:
Vladimir [108]2 years ago
7 0

Answer:

The coloring and possibly testing it

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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
What is meant by localised orbitals? Explain.
Anni [7]
Localized molecular orbitals are molecular orbitals which are concentrated in a limited spatial region of a molecule, for example a specific bond or a lone lake on a specific atom.
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3 years ago
What is the heat in joules required to melt 25 grams of ice?
AfilCa [17]

Answer:

8,350 Joules

Hope this helps

7 0
2 years ago
Determine the rate law, including the values of the orders and rate law constant, for the following reaction using the experimen
murzikaleks [220]

Answer: Rate law is, R= 6.02[A]¹[B]²

Explanation in attached image

5 0
3 years ago
How many moles are in 525 g of ammonia, NH3?<br> 8940.75 M<br> 0.03 M<br> 30.83 M
victus00 [196]

Answer:

30.83 M

Explanation:

17.03052 re in one mole. So, if you multiply it by 30.83, you will get 535 g of ammonia.

In fact, the detailed answer is 30.827009392549122.

3 0
2 years ago
Read 2 more answers
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