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ICE Princess25 [194]
3 years ago
13

(6.2 x 10 5 ) / (2.5 x 10 -3 ) =

Chemistry
1 answer:
miv72 [106K]3 years ago
4 0

Answer:

651/22 and 14322

Explanation:

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How many atoms are there in 5.20 mil of hafnium. Please help due in 1hr
Levart [38]
In 5.70 mol of Hafnium there are 34,326
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3 years ago
Draw structural formulas for the alkoxide ion and the alkyl(aryl)bromide that may be used in a williamson synthesis of the ether
Juliette [100K]
Williamson synthesis is the most common way for obtaining ethers, called after its developer Alexander Williamson. It is an organic reaction of forming ethers from an organohalide and an alkoxide. The reaction is carried out according to the SN2 mechanism.

On the attached picture it is shown required alkoxide ion, <span>alkyl(aryl)bromide and the ether that forms from the reactants. </span>

3 0
3 years ago
Why is cold air cold?
Sholpan [36]

Explanation:

Energy makes molecules in the air move faster and expand, decreasing density. The opposite is true for cold air. Molecules are closer together, and absorb less energy.

4 0
3 years ago
Please help me, thank you
Bezzdna [24]

Answer:

it's C

Explanation:

Yes

5 0
3 years ago
Read 2 more answers
What is the reactant(s) in the chemical equation below?
butalik [34]

Answer:

C. 3CO(g) + Fe2O3(s)

Explanation:

The substance(s) to the hath left of the arrow in a chemical equation art hath called reactants.  A reactant is a substance yond is presenteth at the starteth of a chemical reaction.  The substance(s) to the right of the arrow art hath called products.  A product is a substance yond is presenteth at the endeth of a chemical reaction

So in this example, 3CO(g) + Fe2O3(s) art the reactants.

The 2Fe(S) + 3CO2(G) art the products.

Desire I holp! Has't a most wondrous day!

Hope I helped!  Have a great day!

7 0
3 years ago
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