All categories

3 years ago

The density of an object with a volume of 5.0mL and a mass of 20.0g is ____________.

Chemistry

2 answers:

hichkok12 [17]3 years ago

7 0

Answer: The density of the object will be 4 g/ml.

Explanation:

Density is defined as the mass contained per unit volume.

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

Given : Mass of object = 20.0 grams

Volume of object= $5ml$

Putting in the values we get:

$Density=\frac{20.0g}{5ml}=4g/ml$

Thus density of the object will be 4 g/ml.

Lina20 [59]3 years ago

6 0

whenn you have sublimation

You might be interested in

Which formula equation represents the burning of sulfur to produce sulfur dioxide?

Dmitriy789 [7]

Answer:

option A = S(s) + O₂(g) → SO₂ (s)

Explanation:

Chemical equation:

S(s) + O₂(g) → SO₂ (s)

when sulfur burned in the presence of oxygen it produce sulfur dioxide. The sulfur dioxide can further react with oxygen to produce sulfur trioxide and then react with water to form sulfuric acid.

Uses of sulfur dioxde:

It is used as a solvent and reagent in laboratory.

Sulfur dioxide is used to produce sulfuric acid.

It is used as a disinfectant

It is also used as a reducing agent.

It is used to preserve the dry food.

7 0

3 years ago

5. Geologists think that the inner and outer cores of Earth consist of iron and nickel.

wolverine [178]

Answer:

is this true/false? if so its true.

Explanation:

3 0

2 years ago

During a storm, a tree fell over into a river. What might happen to this tree?

mina [271]

Break down in to tiny prices as the water hit the tree

6 0

2 years ago

Sodium carbonate reacts with silver nitrate according to the following balanced equation: Na2CO3 (s) + 2 AgNO3 (aq) → Ag2CO3 (s)

klemol [59]

Answer:

a) 2.01 g

Explanation:

Na₂CO₃ (s) + 2AgNO₃ (aq) → Ag₂CO₃ (s) + 2NaNO₃

First we convert 0.0302 mol AgNO₃ to Na₂CO₃ moles, in order to calculate how many Na₂CO₃ moles reacted:

0.0302 mol AgNO₃ * $\frac{1molNa_2CO_3}{2molAgNO_3}$ = 0.0151 mol Na₂CO₃

So the remaining Na₂CO₃ moles are:

0.0340 - 0.0151 = 0.0189 moles Na₂CO₃

Finally we convert Na₂CO₃ moles into grams, using its molar mass:

0.0189 moles Na₂CO₃ * 106 g/mol = 2.003 g Na₂CO₃

The closest answer is option a).

8 0

2 years ago

As the temperature of a liquid increases, the solubility of a liquid in that liquid A. increases. B. decreases. C. stays the sam

Rzqust [24]

Should be A. increases

4 0

2 years ago