[Chem] Matter in our surroundings

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Negligible compressibility

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22 Terms

1

Negligible compressibility

________- have a definite shape, distinct boundaries, and fixed volumes.

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2

rubber band changes

A(n) ________ shape under force and regains the same shape when the force is removed.

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3

atmospheric pressure

The temperature at which a liquid starts boiling at the ________ is known as its boiling point.

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4

minimum temperature

The ________ at which a solids melts to become a liquid at the atmospheric pressure is called its melting point.

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5

kinetic energy

The spaces in between the constituent particles and ________ of the particles are minimum in solids, intermediate in liquids and maximum in gases.

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6

27315 K

The melting point of ice is ________ The process of melting, that is, change of solid state into liquid state is also known as fusion.

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7

Solids

________ have a tendency to maintain their shape when subjected to outside force.

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8

state of matter

The ________ can be changed by changing temperature or pressure.

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9

Atmosphere atm

________] is a unit of measuring pressure exerted by a gas.

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10

easy evaporation

Cotton, being a good absorber of water helps in absorbing the sweat and exposing it to the atmosphere for ________.

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11

gaseous state

In the ________, the particles move about randomly at high speed.

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12

Liquids flow

________ and change shape, so they are not rigid but can be called fluid.

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13

aquatic animals

The ________ can breathe under water due to the presence of dissolved oxygen in water.

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14

Particles of matter

________ have force acting between them.

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15

Pascal Pa

The unit of pressure is ________]: 1 atmosphere= 1.01 x 10 [5] { raised to 5 } Pa.

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16

energy

The ________ supplied by heat overcomes the forces of attraction between the particles.

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17

surface area

If the ________ is increased, the rate of evaporation increases.

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18

solid melts

A stage is reached when the ________ and is converted to a liquid.

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19

Solid CO2

________ gets converted directly to gaseous state on decrease of pressure to 1 atmosphere without coming into liquid state.

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20

Solid carbon dioxide CO2

________] is stored under high pressure.

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21

heat energy

The ________ equal to the latent heat of vaporisation is absorbed from the body leaving the body cool.

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22

Particles of matter

________ are continuously moving, that is, they possess what we call kinetic energy.

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