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2 years ago

The density of a substance is 1.63 grams per milliliter. What is the mass of 0.25 liters of the substance in grams?

Chemistry

1 answer:

Ira Lisetskai [31]2 years ago

8 0

Answer:

407.5 g

Explanation:

Hope it helps.

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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 $0.493inch^3$

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3 years ago

The type of nuclear division that produces gametes is called

schepotkina [342]

This process is called meiosis! good luck!

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3 years ago

Which of the following is an example of observational scientific investigation?

Softa [21]

B: nothing the color of the solution when heated

8 0

3 years ago

Read 2 more answers

Anna71 [15]

Na 1s²2s²2p⁶3s¹
↓ - e⁻
Na⁺ 1s²2s²2p⁶ 2+2+6=10 e⁻

10 electrons are in sodium ion Na⁺

4 0

3 years ago

A student made a sketch of a potential energy diagram to represent a reaction with a -^H

OLga [1]

Answer: It’s correct because it’s showing an exothermic reaction. x is the reactants and y is the products.

Explanation: -ΔH means the reaction is exothermic and releasing heat. This lowers the potential energy.

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3 years ago