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SVETLANKA909090 [29]
3 years ago
15

At room temperature, compounds that are held together by covalent bonds tend to exist in what state?

Chemistry
2 answers:
Sophie [7]3 years ago
6 0

at room temperature substances hawks together by covalent bonds are typically in liquid form

Monica [59]3 years ago
5 0

Answer:

Explanation

since they cannot form 3/d crystals, the molecules flow past each other

l

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Based on the kinetic molecular theory, which of the following statements is correct about the particles in a sample of gas at a
fgiga [73]

Answer:

There is a lot of empty space between them.

Explanation:

The kinetic molecular theory postulates that a substance is made up of tiny particles called molecules. The molecules of a gas are in constant random motion and collide elastically with each other. They also collide with the walls of the container.

The magnitude of intermolecular forces of attraction between gas molecules is very small. Hence gas molecules are largely apart with a lot of empty space between gas molecules.

8 0
3 years ago
What is human induced climate change
Marianna [84]

Answer:

Climate change that is caused by humans

5 0
3 years ago
2. You have a rock with a<br> volume of 15cm3 and a<br> mass of 45 g. What is its<br> density?
babymother [125]

Answer:

3 g/cm³

Explanation:

Density= Mass divided by Volume

45÷15= 3

3 0
3 years ago
Which of the following is unchanged when a solution is diluted by the addition of solvent?
umka21 [38]

The answer is C. The number of moles of solute

3 0
3 years ago
A 10.0cm3 volume of alcohol has a mass of 7.05g. What is the density of the alcohol in grams per cubic centimeter
ExtremeBDS [4]

Answer:

0.705 g/cm³

Explanation:

Step 1: define density

The (volumetric mass) density of a sample or substance, is this sample or substance its mass per unit volume and can be defined through following formula:

ρ = m/v

with ρ = density (kg/m³)

m = mass of the substance (kg )

v = volume (m3)

Step 2: change datat SI-units

10.0 cm³ = 10^-5 m³

7.05 g = 0.00705 kg

ρ = 0.00705 kg / 10^-5 m³  = 705 kg / m³

To convert this to g/cm³ we have to divide by 1000

ρ = 0.705 g/cm³

To control this we calculate 7.05g / 10cm³ = 0.705 g/cm³

The desnity of the alcohol is 0.705 g/cm³

7 0
4 years ago
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