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3 years ago

A 24.0 gram object has a volume of 6.0 mL. What is the density of the object?

Chemistry

2 answers:

dalvyx [7]3 years ago

7 0

Answer:

4 g/mL

Explanation:

The density of a object can be found using the following formula.

$d=\frac{m}{v}$

where m is the mass and v is the volume.

We know that the mass of the object is 24.0 grams and the volume is 6.0 milliliters.

$m= 24 g\\v=6 mL$

Substitute the values into the formula.

$d= \frac{24g}{6mL}$

Divide 24 g by 6 mL.

$d= 4 g/mL$

The density of the object is 4 grams per milliliter.

mart [117]3 years ago

4 0

Answer:

4 g/mL

Explanation:

density = mass/volume

therefore, density = 24/6

ρ = 4 g/mL

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Read 2 more answers

Consider the reaction below.

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Answer:

First choice: 0.042

Explanation:

Given decomposition reaction:

1PCl₅ (g) ⇄ 1PCl₃ + 1Cl₂(g)

Equilibrium constant:

$K_{eq}=\frac{[PCl_3]^1[Cl_2]^1}{[PCl_5]^1}$

Stoichiometric coefficients and powers equal to 1 are not usually shown as they are understood, but I included them in order to shwow you how they intervene in the equilibrium expressions: each concentration is raised to a power equal to the respective stoichiometric coefficient in the equilibrium equation.

So, your calculations are:

$K_{eq}=\frac{(0.020M)(0.020M)}{0.0095M}=0.042M$