Chemistry

Question 1

What is the definition of a homogeneous mixture?

Answer 1

A homogeneous mixture is a gaseous, liquid or solid mixture that has the same proportions of its components throughout a given sample. It is uniform in composition throughout. There is only one phase of matter observed in a homogeneous mixture.

Question 2

What is the definition of a heterogeneous mixture?

Answer 2

A heterogeneous mixture is a mixture in which the composition is not uniform throughout the mixture. Vegetable soup is a heterogeneous mixture. Any given spoonful of soup will contain varying amounts of the different vegetables and other components of the soup.

Question 3

What is another name for a homogeneous mixture?

Answer 3

A solution

Question 4

What is a solvent?

Answer 4

able to dissolve other substances.
“osmotic, chemical, or solvent action”

Question 5

What is a solute??

Answer 5

the minor component in a solution, dissolved in the solvent.

Question 6

What are some examples of a pure substance?

Answer 6

A few of them include gold, copper, oxygen, chlorine, diamond, etc. Compounds such as water, salt or crystals, baking soda amongst others are also grouped as pure substances.

Question 7

What are some examples of a homogeneous mixture?

Answer 7

Air
Sugar water
Rainwater
Vinegar
Dishwashing detergent
Steel
Cup of Coffee
Mouthwash
Detergent
Cologne
Jello gelatin

Question 8

What are some examples of a heterogeneous mixture?

Answer 8

Some common examples of heterogeneous mixtures include trail mix, hot chocolate, sand in water, toothpaste, mixed nuts, house paint, pizza, butter, shaving cream, and mayonnaise.

Question 9

What is the universal solvent??

Answer 9

Water

Question 10

What is the definition of Solubility?

Answer 10

the ability to be dissolved, especially in water.
“as the temperature increases the solubility of the gas generally decreases”

Question 11

How many types of solutions are there?

Answer 11

4 solid-solid solutions, gas-gas solutions, liquid-liquid solutions, and mixed matter solutions

Question 12

What is another name for a heterogeneous mixture?

Answer 12

Mixture

Question 13

What are some examples of a solid-solid solution?

Answer 13

Examples of alloys include red gold (gold and copper), white gold (gold and silver), sterling silver (silver and copper), steel or silicon steel (iron with non-metallic carbon or silicon respectively), solder, brass, pewter, duralumin, bronze, and amalgams.

Question 14

What are some examples of a liquid-liquid solution?

Answer 14

Alcohol in water is an example of liquid in liquid type solution. It is an emulsion type colloid. In this mixture, both alcohol and water are dissolved completely. Additional Information: On the basis of amount of solute present in the solution, solutions can be classified into three types.

Question 15

What are some examples of a gas-gas solution?

Answer 15

• Gas-Gas mixture: Two examples are air and perfumes, helium and hydrogen present in air balloons. Note: Mixtures as homogeneous mixtures and heterogeneous mixtures. In homogeneous mixtures, the particles are mixed uniformly and composition of particles is uniform.

Question 16

What are some examples of a mixed matter solution?

Answer 16

Sodium chloride (solid) &Water (liquid)=Saltwater (solid-liquid)
Carbon dioxide (gas)&Water (liquid)=Soda water (gas-liquid)

Question 17

What is the definition of Qualitative?

Answer 17

The amount of solvent can be described as qualitatively. The concentration can be describe as a concentrated solution or a dilute solution.

Question 18

What is Quantitative?

Answer 18

Quantitative observations are determined by the mass or volume of the substance.

Question 19

What is a saturated solution?

Answer 19

When water, or any solvent, has dissolved as much of any substance as it can, it is a saturated solution.

Question 20

What is a supersaturated solution?

Answer 20

A supersaturated solution is a solution that contains more than the average solvent that can be dissolved at a given temperature. The recrystallization of the excess dissolved solvent in a super-saturated solution can be started by inserting a tiny solute crystal, called a seed crystal.

Question 21

What is an unsaturated solution?

Answer 21

An unsaturated solution is a solution that contains less than the maximum amount of solute that is capable of being dissolved. Solution equilibrium exists when the rate of dissolution equals the rate of recrystallization.

Question 22

What is the definition of Filtration?

Answer 22

filtration, the process in which solid particles in a liquid or gaseous fluid are removed by the use of a filter medium that permits the fluid to pass through but retains the solid particles.

Question 23

What is the definition of evaporation?

Answer 23

evaporation, process by which an element or compound transitions from its liquid state to its gaseous state below the temperature at which it boils; in particular, the process by which liquid water enters the atmosphere as water vapour in the water cycle.

Question 24

What is the definition of distillation?

Answer 24

Distillation is the process of separating the components of a liquid mixture through selective evaporation and condensation.

Question 25

What is the definition of magnetism?

Answer 25

Magnetochemistry is concerned with the magnetic properties of chemical compounds. Magnetic properties arise from the spin and orbital angular momentum of the electrons contained in a compound. Compounds are diamagnetic when they contain no unpaired electrons.

Question 26

What is the definition of sorting?

Answer 26

Sorting is the process of grouping objects with related characteristics. The properties of the materials, such as lustre, hardness, softness, transparency, solubility, buoyancy, magnetism, heat conduction, and electrical conduction, can be used to classify them based on similarities or differences.

Question 27

What are some factors that affect saturation?

Answer 27

Saturation is affected by the temperature pressure and the chemical composition of a solution.