asession.masteringchemistry.com Mastering MasteringChemistry: Assignments ec70Su

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asession.masteringchemistry.com Mastering MasteringChemistry: Assignments ec70Sum16 CH2816Classifying Matter ssify each description by the phase change it depicts ag each item to the appropriate bin. A cup of lemonade left outside Molten alumnum is cooled to makeaA pot of water on the stove comes to Molten aluminum is Salft crystals are heated unti a liquid A cup of lemonade left outside a bol. soda can, is formed Acetone sprayed on a whiteboard Droplets of water form on the outside of a cold glass Condensation Melting Freezing Evaporation SubmiHints My Answers Give Up Review Part

Explanation / Answer

Part : Classification of processes

Melting

Salt crystals heated until liquid is formed

Freezing

A cup of lemonade left outside solidifies.

Molten alumminium is cooled to make solid can.

Evaporation

A pot of water on a stove comes to boil.

Acetone sprayed on a whiteboard vaporizes.

Condensation

Droplets of water form on the outside of a cold glass.

Part A) On planet earth, the heavier of the two gold units of gold would be,

A kilogram of gold weighs more

Part B) Concept of mass and weight,

Weight changes based on gravitational force, whereas mass is constant

Part A) On a submicroscopic levels, the solid, liquids and gases are distinguished by,

how the molecules are positioned

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