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2 years ago

I will give 20 points for correct answer please.

Chemistry

1 answer:

Setler [38]2 years ago

4 0

The volume of the glass piece in cubic centimeters is 16.4 cm3

<h3>Volume</h3>

When adding an object to a liquid, the displayed volume difference corresponds to the <em>volume of the added object</em>.

In this way, to find the value of the object's volume, subtract the <u>initial volume </u>from the <u>final volume</u>:

$36.4ml - 20ml$

$=16.4ml$

<h3>Conversion</h3>

To convert to cubic centimeters, the <em>conversion scale of volume</em> and <em>length </em>measurements need to be used, finding that mL is equal to cubic centimeters. So, the final answer is:

$=16.4cm^{3}$

Learn more about units conversion and volume: brainly.com/question/15163977

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Earth is a part of the galaxy known as the-

GenaCL600 [577]

Answer:

its milky way galaxy..........

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3 years ago

Please help this is due soon and I’ll mark you brainiest if you can help

attashe74 [19]

Answer:

I think it's either A or D I'm not sure hope that I helped you.

7 0

3 years ago

For this question, use the main assumptions of the Kinetic Molecular Theory of gases:

Gennadij [26K]

<h2>Answer:</h2>

Option 3 is correct.

3. The molecular collisions are perfectly elastic.

<h2>Explanation:</h2>

According to the kinetic molecular theory, the molecular collisions are perfectly elastic, so the the molecules of a gas striking with the wall of container are elastic and they are exerting considerable pressure on the walls of container. This pressure is actually exerted against the walls is less for real gases as compared to ideal gases.

5 0

3 years ago

Read 2 more answers

What is the kb of the base po−34 given that a 0. 48m solution of the base has a ph of 12. 70? the equation described by the kb v

podryga [215]

The equation described by the kb value is 5.21 x $10^-^3$ .

The potential of Hydrogen is what pH is formally known as. The negative logarithm of the concentration of H+ ions is known as pH. Thus, the definition of pH as the amount of hydrogen is provided. The hydrogen ion concentration in a solution is described by the pH scale, which also serves as a gauge for the solution's acidity or basicity.

Assuming PO₄³⁻ (the phosphate anion).

PO₄³- + H₂O ==> HPO₄²⁻ + OH⁻

Kb = [HPO₄²⁻][OH⁻] / [PO₄³⁻]

We can find the [OH⁻] from the pH of 12.70.

pH + pOH = 14

14.0 - 12.7 = 1.3 = pOH

[OH] = 1x $10^-^1^.^3$

[OH-] = 5.0x $10^-^2$ M

[HPO₄²⁻] = 5.0x $10^-^2$ M

Kb = (5.0x $10^-^2$ )2 / 0.48

= 2.5x $10^-^3$ / 0.48

Kb = 5.21 x $10^-^3$

Learn more about pH here:

brainly.com/question/8758541

#SPJ4

3 0

1 year ago

Consider two aqueous nonvolatile and nonelectrolyte solutions, each with a solute concentration of 1 M. One contains glucose, wh

Svetach [21]

Answer:

a and b are correct

Explanation:

This because both are aqueous solutions,therefore, identity of solvent is same that is water.

And because both solutions are non electrolyte they would not ionize in solution, and for the same concentration, the freezing point of both solution would also be same. Since depression in freezing point is a colligative property this means that it depends on number of solute particles not nature of particles .

Hence answer is that their freezing points and Identity of the solvent shall remain the same.

8 0

4 years ago