The way that a fluid flows depends on several factors. Briefly describe the factors – use as much scientific vocabulary that you can.

Answers

Answer 1

Answer:

Answer:

Factors that influence flow :

Flow patterns in a fluid (gas or liquid) depend on three factors: the characteristics of the fluid, the speed of flow, and the shape of the solid surface. Three characteristics of the fluid are of special importance: viscosity, density, and compressibility. Viscosity is the amount of internal friction or resistance to flow. Water, for instance, is less viscous than honey, which explains why water flows more easily than does honey.

All gases are compressible, whereas liquids are practically incompressible; that is, they cannot be squeezed into smaller volumes. Flow patterns in compressible fluids are more complicated and difficult to study than those in incompressible ones. Fortunately for automobile designers, at speeds less than about 220 miles (350 kilometers) per hour, air can be treated as incompressible for all practical purposes. Also, for incompressible fluids, the effects of temperature changes can be neglected.

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why is water vapor important in weather

Answers

Water vapor is important to the weather because it creates clouds. Without clouds there would be no rain, and without rain there wouldn't be as much water now as there was 100 years ago because it wouldn't recycle. Water Vapor is very important to the weather and life as we know it.

(Fill in the blank) A kilometer is __________ times bigger than a meter.

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Answer:

1000

Explanation:

kilometer equals to 1000 meters

1 kilometer would be 1000 or 10^3 meters

What happens to sound waves then the source of a sound is moving toward you?

Answers

If you are facing the opposite direction of the way the wave is moving, then it will be higher. But, if you are moving the same direction as the wave, it will be lower, because the frequency should go down. Hope this helps! :)

Which term represents a type of nuclear reaction?(1) condensation
(2) vaporization
(3) single replacement
(4) natural transmutation

Answers

Answer: The correct answer is Option 4.

Explanation:

Nuclear reaction is defined as the reaction in which change in nucleus takes place.

From the given options:

Option 1: Condensation

Condensation is defined as a physical process in which gaseous particles changes to liquid particles by decreasing temperature. No change in nucleus takes place.

Option 2: Vaporization

Vaporization is defined as a physical process in which liquid particles changes to gaseous particles by increasing temperature. No change in nucleus takes place.

Option 3: Single displacement reaction

Single displacement reaction is defined as the chemical reaction in which more reactive element displaces the less reactive element. No change in nucleus takes place.

Option 4: Natural transmutation

Natural transmutation is defined as the process as the conversion of one element into another element. An element is defined by its number of protons that is atomic number. If this process occurs anywhere, number of protons or neutrons is changed. Thus, this process will change in the nucleus.

Hence, the correct answer is Option 4.

$\boxed{(4)\text{Natural transmutation}}$ represents a type of nuclear reaction.

Further Explanation:

A nuclear reaction is a term defined when there is a conversion of one nuclide into another. In this reaction, change in the nucleus of an atom is observed. When two nuclei and a subatomic particle undergo collision with each other and new nuclides are produced, nuclear reaction is said to take place. The interaction between the cosmic rays and matter is an example of natural nuclear reaction.

(1) Condensation

It is defined as the process by which a substance gets converted from its gaseous state to the liquid one. Changes in pressure and temperature are made in order to condense a substance. The dew that is observed on the green grass in the early morning is a natural example of the condensation process.

(2) Vaporization

It is a process of conversion of a substance from its liquid state to the gaseous or vapor state. It is also known as evaporation. It is a surface phenomenon. The recovery of salt from seawater is an example of vaporization in day to day life.

(3) Single replacement

It is a type of chemical reaction in which a more reactive element replaces a less reactive element. It is also known as a single displacement reaction. A general single-replacement is described as follows:

$\text{A+BC}\rightarrow\text{AC}+\text{B}$

Here, A being more reactive displaces B from the compound BC and as a result, AC is formed.

(4) Natural transmutation

It is the process by which one element gets converted to another one. It usually takes place in unstable, radioactive elements that keep on decaying into several elements until a stable element is produced. Since transmutation brings about a change in the atomic nuclei, it is considered as a nuclear reaction.

Learn more:

What nuclide will be produced in the given reaction? brainly.com/question/3433940
Calculate the nuclear binding energy: brainly.com/question/5822604

Answer details:

Grade: Senior School

Chapter: Nuclear chemistry

Subject: Chemistry

Keywords: nuclear reaction, natural transmutation, condensation, vaporization, evaporation, single replacement, single displacement, A, B, AC, BC, surface phenomenon, atomic nuclei, unstable, radioactive.

Can you describe how mixtures relate to substances?

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A substance in chemistry is a form of matter consisting having fixed chemical composition (like water). A mixture is a material made up of two or more substances (like water with sugar) - mixed, but not combined with chemical bonding.

A substance is a pure form of matter in which all the constituent particles are the same in their chemical nature, while a mixture is a combination of two or more substances. A substance cannot be separated into other kinds of matter by any physical process. But a mixture can be separated into pure substances by appropriate separation techniques such as filteration, sedimentation, evaporation, crystallisation, etc..

Which generally occurs as temperature increases?

Answers

Solubility increases.

Answer:

solubility increases

Explanation:

For example with gases dissolved in liquids, a rise in temp would decrease solubility. There are even some solid in liquid soln where increasing temps decreases solubility.

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