Sharon pours salt into a glass of water. The salt dissolves. The substance in the glass is a(n) __________.mixture

element

compound

atom

Answers

Answer 1

Answer:

The substance in the glass is a mixture.

Types of a mixture

A mixture is the combination of two or more substances that are not related leading to the formation of either uniformly or unevenly formed solution.

There are two main types of mixture which includes:

Heterogeneous mixture: These are the type of mixture that are not evenly distributed. Example is the mixture of sand and water.

Homogeneousmixture: This is the type of mixture that appears evenly or uniformly distributed. Example is mixture of water and salt.

Therefore, the mixture of salt and water is a homogeneous type of mixture.

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Answer 2

Answer: Answer: mixture.

More specifically a solution which is a homogeneous mixture.

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As the air temperature increases, with no addition of water vapor to the air, the dew point will ____. a. remain the same b. increase c. decrease d. become equal to the air temperature

Answers

Answer:

Option (A)

Explanation:

A dew point is usually defined as the specific temperature at which the air gets cooled in order to undergo complete saturation with water vapor. This refers to the condition when the relative humidity becomes 100%, and with progressive cooling, it results in the process of condensation, thereby giving rise to the formation of dew.

In a condition, where there is increasing air temperature and no addition of water vapor, the dew point will eventually remain the same. It is because there is not enough water vapor present in the air for the condensation process to take place and form dew.

Thus, the correct answer is option (A).

Final answer:

The dew point would remain the same when air temperature increases without any additional water vapor. The dew point is dependent on humidity and not on the air temperature. Hence, increase in air temperature with no extra water vapor will leave the dew point unchanged.

Explanation:

Dew Point and Air Temperature

The dew point is the temperature at which air becomes saturated with water vapor after cooling without changing its pressure or moisture content. It's significant in understanding weather and climate patterns. If the air temperature increases with no additional water vapor introduced to it, the dew point would remain the same.

This is because the dew point depends on the humidity or water vapor content of the air, not the air temperature. Thus, without the addition of more water vapor, the amount of water the air can hold at saturation stays the same, therefore the dew point remains the same.

Learn more about Dew Point here:

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Help please! How many significant figures are in the measurement 0.00440 grams?

6
5
3
2

Answers

3 significant figures.

What other forms of radiation may come from the stars?

Answers

Other forms of radiation may come from the stars. These radiations include x-ray radiation, ultraviolet radiation, electromagnetic radiation, infrared radiation, alpha ray, beta ray & gamma ray, visible light radiation, radio frequencies radiation and magnet waves.

A model stands on a scale and finds her weight to be 105 pounds. Ifthe pressure exerted by her feet on the scale is 2.16 pounds per
square inch, what is the area of her feet in cubic centimeters?
__cm2

Answers

The area = 313.612 cm²

Further explanation

Force (F) can cause objects to move

While pressure (P)is the force per unit area

$\tt P=(F)/(A)$

weight=force=105 pounds(lb)⇒english units

pressure = 2.16 lb/in²

Thea are (A)

$\tt A=(F)/(P)=(105)/(2.16)=48.61~in^2\n\n1~in^2=6,4516~cm^2\n\n48.61~in^2=313,612~cm^2$

Compare the shape and volume of solids, liquids and gases.

Answers

Solids have both fixed volumes and fixed shapes.
Liquids have fixed volumes, but their shapes depend upon the containers in which they are held.
Gases have neither fixed volumes nor fixed shapes, and expand to fill their containers.

What is the mass of an electron?A. Electrons do not have mass.
B. -1.0 amu
C. 0.0005 amu