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natka813 [3]
3 years ago
8

What is the density of a material that has a mass of 2,500 grams and a volume of 500 cubic centimeters,on grams per cubic centim

eter
Chemistry
2 answers:
wolverine [178]3 years ago
7 0
M=2500 g
v=500 cm³

p=m/v

p=2500 g / 500 cm³ = 5 g/cm³
mr_godi [17]3 years ago
5 0

<u>Answer:</u> The density of material is 5g/cm^3

<u>Explanation:</u>

To calculate density of a substance, we use the equation:

\text{Density of a substance}=\frac{\text{Mass of a substance}}{\text{Volume of a substance}}

We are given:

Mass of material = 2500 g

Volume of material = 500cm^3

Putting values in above equation, we get:

\text{Density of material}=\frac{2500g}{500cm^3}\\\\\text{Density of material}=5g/cm^3

Hence, the density of material is 5g/cm^3

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4 years ago
If u pass a curve of 3A in a time of 90mins. how much mg will be deposited.​
Maslowich

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\boxed{\text{2.0 g}}

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1. Write the equation for the half-reaction.

Mg²⁺ + 2e⁻ ⟶ Mg

The number of electrons transferred (z) is 2 mol per mole of Mg.

2. Calculate the number of coulombs

Q  = It  

\text{t} = \text{90 min} \times \dfrac{\text{60 s}}{\text{1 min}} = \text{5400 s}\\\\Q = \text{3 C/s} \times \text{ 5400 s} = 16 000 C

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We can summarize Faraday's laws as

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