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3 years ago

Explain, in terms of ions, why the aqueous solution in the cell conducts an electric current.

1 answer:

8 0

The solution contains mobile ions. These ions can move freely. These ions, Na+ and Cl-, both in aqueous forms, move freely, allowing the charge to flow from the anode to cathode (because the battery is discharging, otherwise it would be cathode to anode).

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The Density of pure carbon in Diamond form is 3.52 g/cm^3. How many cubic inches would 23.7 moles of pure diamond occupy?

Vedmedyk [2.9K]

Answer : The volume of pure diamond is $0.493inch^3$

Explanation : Given,

Density of pure carbon in diamond = $3.52g/cm^3$

Moles of pure diamond = 23.7 moles

Molar mass of carbon = 12 g/mol

First we have to calculate the mass of carbon or pure diamond.

$\text{ Mass of carbon}=\text{ Moles of carbon}\times \text{ Molar mass of carbon}$

Molar mass of carbon = 12 g/mol

$\text{ Mass of carbon}=(23.7moles)\times (12g/mole)=284.4g$

Now we have to calculate the volume of carbon or pure diamond.

Formula used:

$Density=\frac{Mass}{Volume}$

Now putting all the given values in this formula, we get:

$3.52g/cm^3=\frac{284.4g}{Volume}$

Volume = $80.8cm^3$

As we know that:

$1cm^3=0.061inch^3$

So,

Volume = $0.061\times 80.8inch^3$

Volume = $0.493inch^3$

Therefore, the volume of pure diamond is $0.493inch^3$

5 0

2 years ago

What do sodium and magnesium have in common?

lara [203]

Answer:

daddy will help

Explanation:

uhhhhhhhhhhhhhhhhhhh

7 0

2 years ago

Which of the following is not a property of water?

Oxana [17]

Answer:

A) hydrogen bonds cause a high surface tension = FALSE

Explanation:

The rest are correct

5 0

3 years ago

I NEED HELP ASAP! WILL MARK AS BRAINLIEST

LiRa [457]

Answer:

Sry i am unable to see the attached picture but i hope this helps

Explanation:

There are a couple of ways to prepare a buffer solution of a specific pH. In the first method, prepare a solution with an acid and its conjugate base by dissolving the acid form of the buffer in about 60% of the volume of water required to obtain the final solution volume

5 0

3 years ago

Read 2 more answers

Rubidium will react with oxygen in which of the following formulas?

dusya [7]

Answer:

C-Rb20

Explanation:

The chemical formula for Rubidium oxide is Rb20.

Hope this helps!

4 0

2 years ago