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Goshia [24]
3 years ago
13

Help please, thank you:)

Chemistry
1 answer:
IgorC [24]3 years ago
6 0

Answer:

1.67 × 10⁻¹⁰m is the answer.

Explanation:

Given,

4 × 10⁻⁷m thick

2400 atoms thick

therefore 1 atom,

Diameter = 4 × 10⁻⁷/2400

d = 4000 × 10⁻¹⁰/2400

d = 1.67 × 10⁻¹⁰m

∴ diameter of 1 gold atom (3 significant figures) = 1.67 × 10⁻¹⁰m

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Imagine that instead of balls, you were rolling positively charged ions of the same element).
Ghella [55]
The ion with a +3 charge would be deflected the most by the magnet because it has the strongest positive charge therefore it will be the one being the most repelled. and the ion that would be deflected the least would be the ion with a +1 charge because it has the least amount of charge so the magnet will still repel it but just not as much as it will repel the ion with a +3 charge.

hope that helps
8 0
3 years ago
3. A 0.300 g of gas Y at 3.00 atm was filled in a flask with a volume of 82.0 ml. Calculate
kotykmax [81]

The new volume of gas Y is 89.38 mL

From the question given above, the following data were obtained:

Initial volume (V₁) = 82.0 mL

Initial temperature (T₁) = 27.0 °C = 27 + 273 = 300 K

Final temperature (T₂) = 54.0 °C = 54 + 273 = 327 K

Pressure = 3 atm = constant

<h3>Final volume (V₂) =? </h3>

Since the pressure is constant, we shall determine the final volume of gas Y using the Charles' law equation as follow:

\frac{V_{1}}{T_{1}} = \frac{V_{2}}{T_{2}} \\\\\frac{82}{300} = \frac{V_{2}}{327}

Cross multiply

300 × V₂ = 82 × 327

300 × V₂ = 26814

Divide both side by 300

V_{2} = \frac{26814}{300}\\

<h3>V₂ = 89.38 mL</h3>

Therefore, the new volume of gas Y is 89.38 mL

Learn more: brainly.com/question/12835309

3 0
3 years ago
Read 2 more answers
NEED HELP!!!
Vilka [71]

Answer:

1.atomic number

2.electron

3.element

4.atom

5.neutron

6.nucleus

7.proton

Explanation:

please like and Mark as brainliest

6 0
3 years ago
Prepare a flow sheet for the preparation of triphenylmethanol. Using your knowledge of the physical properties of the solvents,
sasho [114]

Answer:

See explanation and Image attached

Explanation:

The preparation of triphenylmethanol occurs as shown in the image attached to this answer.

The first step is the nucleophillic reaction of the phenyl magnesium bromide with the carbonyl group.

Reaction of the second molecule of phenyl magnesium bromide with the product yields triphenyl methoxide ion. Reaction with acid yields the triphenylmethanol product which is extracted into the organic phase.

The triphenylmethanol product can be purified by recrystallization.

3 0
3 years ago
What is the empirical formula of a compound that contains only iron and oxygen and is 22.27% oxygen?
8090 [49]

Answer:

A) FeO

Explanation:

Options:

A) FeO

B) FeO2

C) Fe2O

D) Fe7O2

<u>The correct answer is A) FeO.</u>

(Hope this helps can I pls have brainlist (crown)☺️)

6 0
3 years ago
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