How do the particles that are dispersed in a colloid differ from the particles suspended in a suspension?The colloid particles are less dense.

The colloid particles are more solid.

The colloid particles are smaller.

The colloid particles are larger.

Answers

Answer 1
Answer:

Answer: The correct option is that the colloid particles are smaller.

Explanation: There are 3 types of solutions:

1) True solutions: These are the solutions in which the size of the particles are less than 1nm. These are considered as homogeneous mixtures.

2) Colloids: These solutions are the solutions in which the size of the particles lie in the range of 100nm to 1nm. These are assumed to be homogeneous mixtures but actually are heterogeneous mixtures.

3) Suspension: These solutions are the solutions in which the size of the particles are greater than 100 nm. These are considered as homogeneous mixtures.

The particles which are dispersed in a colloid have smaller particles than the particles which are dispersed in a suspension.


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Oxygen is in group 6 of the periodic table. How many covalent bonds will it form with other atoms?
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What are the main causes for seasons on earth?

Answers

As the earth turns one of the sides moves closer to the sun, creating summer in that area, at the same time the part of the earth on the other side moves farther away, hence making it colder and the season becomes winter
The tilt of the earth

What would happen to the temperature of the hot milk after ten minutes

Answers

it would cool down, wouldn't it?
The heat from the milk will first transfer to the cup making the cup hot, and after a while, the heat will transfer to cooler things around it, decreasing the temperature of the milk.

Which cell organelle is where proteins are made? A. nucleus B. ribosome C. vacuole D. mitochondrion

Answers

Answer: Ribosome

Explanation:

The protein formation inside the body takes place in the cell organelle named ribosome. Protein is a every essential component of the body.

It serves many functions in the body of all the eukaryotic organism. It is found on the body surface as the body guard to kill the invading pathogens, all the enzymes inside the body are protein.

The ribosomes inside the cell can be attached to the endoplasmic reticulum or can be found floating inside the cell.

The proteins are synthesized both by the floating and attached ribosomes. The proteins produced by the floating ribosomes are used inside the cell and the proteins made by rough Endoplasmic reticulum are most of the time sent outside the cell.

Answer:

B. ribosome

Explanation:

In the ribosomes, the codons get paired with anti codons to create a polypeptide or protein.

Gold melts at 1064 c. Melting point is a ___.A)chemical change
B)chemical property
C)physical change
D)physical property

Answers

Physical property .      


Answer:

i would say Chemical property

Explanation:

What compound is O2H?

Answers

The answer is:

O2H is a reactive oxygen species (ROS).

The explanation is:

It is known by different chemical names like:

- Dioxidanide, Oxylatooxygen, HOO anion, hydroperoxyl, Hydrogen dioxide (1-), Hydrogen peroxide (1-), etc.

- ROS show antimicrobial activity, so they can be used as antibiotics.

- O2H is also manufactured as a bacteriostatic antibiotic.

-It is generally available in tablet form.

- It is used in the treatment of many gram-positive and gram-negative bacterial infections, like infections of the skin, eye, lungs (bronchitis), urinary tract, bladder, pelvis, etc. (Note: A bacteriostatic antibiotic is one which damages bacterial DNA. Bacterial replication is hindered, so bacterial infection is combatted).

Answer:

O₂H is Reactive Oxygen Species (ROS)

Explanation:

O₂H has many names including:

1- hydroperoxyl

2- Oxylatooxygen

3- Dioxidanide

4- Hydrogen dioxide or Hydrogen peroxide

This compound exists in stable form only in the aqueous state and is formed by the equation shown in the attached picture.

This compound is used mainly in the manufacture of bacteriostatic antibiotics. This is because it can damage the DNA of the bacteria which leads to the termination of its replication and thus, it can be combated.

Hope this helps :)

How does wind move over short distances?

Answers

Wind is the horizontal movement of air from an area of high pressure to an area of low pressure.

 

Winds are caused by differences in air pressure. 

 

These differences are caused by the uneven heating of the Earth’s surface.

 

Winds are named by their direction (where they originate from) and speed.

 

Wind speed is measured by an anemometer.

 

v    Local Winds: winds that blow over short distances-caused by the uneven heating of Earth’s surface within a small area.  They form only when large-scale winds are weak.

 

Ø     Sea Breezea local wind that blows from an ocean or a lake.

§         Occurs because land heats up faster than water – The warm air expands creating an area of low pressure over the land, so the cooler more dense air moves toward the low-pressure land area.

 

Ø     Land Breeze: a local wind that blows from the land toward water

§        Occurs because land cools faster than water – The low pressure (less dense) air is now over the water.  The warm less dense air rises so the cooler air from the land moves toward that low pressure area by the water.