100 Points!!!!!!!!Intermolecular distance is the distance between the particles that make up matter. The graph below compares the intermolecular distances in two substances. One substance is gas and the other is a liquid.

Which statement best describes the two substances?

Particles collide in liquids so Substance Y is a liquid.
Particles collide in gas so Substance X is a gas.
Particles move around in liquids so Substance X is a liquid.
Particles move around in gas so Substance Y is a gas.

Answers

Answer 1

Answer:

Answer: Option (b) is the correct answer.

Explanation:

In liquids, the molecules are held by strong intermolecular forces of attraction as compared to gases. Due to which they are able to collide and slide past each other. Hence, they have a medium kinetic energy.

And, in liquid molecules there is moderate intermolecular distance between the particles.

In gases, the molecules are held by weak Vander waal forces. Hence, they have high kinetic energy due to which they move very rapidly from one place to another leading to more number of collisions.

Hence, gases are able to expand more rapidly as compared to liquids. Therefore, between the atoms of a gas there are large intermolecular distances.

Therefore, we can conclude that the statement particles collide in gas so Substance X is a gas, best describes the two substances.

Answer 2

Answer:

your answer is Particles collide in gas so Substance X is a gas.

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Answers

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A meter is an SI unit. Which quantity might you measure in meters?A. temperature

B. mass

C. length

D. electric current

Answers

Length a physical quantity will be measured in meters, therefore option (c) is correct.

What do you mean by physical quantity ?

A physical quantity can be defined as the characteristic property of a system that is generally quantified in terms of measurement.

Length , a physical quantity -

The physical quantity associated with length can be written as x meter, where x is the numerical value, and the meter specifies the unit .

Meter is represented by m. It is the fundamental unit of length.

Initially, One meter was defined as a quantity that is 1650763.73 times the wavelength of the light emitted in a vacuum .

Length a physical quantity will be measured in meters ,hence option (c) is correct.

Learn more about physical quantity ,here:

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The correct answer would be C.) Length

What is the principle called of the conservation of matter?

Answers

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If 10.0 L of oxygen gas at STP are heated to 512 Celsius what will be the new volume of the gas if the pressure is also increased to 1.75 ATM?

Answers

Answer:

16.4 L

Explanation:

we can use the combined gas law equation that gives the relationship among volume, temperature and pressure conditions of gases.

P1V1/T1 = P2V2/T2

STP conditions are standard temperature and pressure conditions

P1 is standard pressure = 1 atm , T1 is standard temperature = 273 K

and V1 is the volume

P2 is pressure, T2 is temperature and V2 is volume at the second instance

temperature is in kelvin scale,

512 ° + 273 = 785 K

substituting the values in the equation

1 atm x 10.0 L / 273 K = 1.75 atm x V / 785 K

V = 16.4 L

new volume is 16.4 L

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Answers

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