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tensa zangetsu
12 days ago
5

Identify which trends in the diagrams below describe atomic radius, ionization energy, electron affinity, and electronegativity.

Chemistry
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What volume of 0.550 M KBr solution can you make from 100.0 mL of 2.50 M KBr?
castortr0y [3046]
M1V1 = M2V2
(2.50)(100.0) = (0.550)V2
V2 = 455mL

From 100.0 mL of 2.50 M KBr, you can prepare 455 mL of 0.550 M solution.
5 0
4 months ago
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A substance has a density of 4.5 g/cm3. The substance is heated and its density recalculated. What is the newly recorded density
lions [2927]

Response:

Aluminum

Clarification:

6 0
2 months ago
The volume of a gas at 6.0 atm is 2.5 L. What is the volume of the gas at 7.5 atm at the same temperature?
castortr0y [3046]

Greetings!

The result is:

The new volume is: 2L

Rationale:

Because the temperature remains constant, we can apply Boyle's Law to solve this issue.

Boyle's Law stipulates that:

P_{1}V_{1}=P_{2}V_{2}

Where,

P is the gas's pressure.

V is the gas's volume.

According to the information provided:

V_{1}=2.5L\\P_{1}=6.0atm\\P_{2}=7.5atm

Let's put the values into the equation:

2.5L*6.0atm=7.5atm*V_{2}

2.5L*6.0atm=7.5atm*V_{2}\\\\V_{2}=\frac{2.5L*6.0atm}{7.5atm}=\frac{15L.atm}{7.5atm}=2L

Consequently, the new volume is: 2L

Wishing you a lovely day!

7 0
3 months ago
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