Question

look at the list below. what brought about the following changes in matter?
a. evaporation of a puddle of water
b. melting of an ice cream
c. condensation of water vapour to form dew
d. solidification of volcanic lava
e. burning of a piece of charcoal

Answer 1

Answer:

states of matters are changed

Explanation:

There are 3 states of matters,

• solid
• liquid
• gases

Answer 2

Answer:

a. Evaporation of Liquids

It happens more often with warmer liquids. You probably remember that when matter has a higher temperature, the molecules have a higher energy. ... When you have a puddle of water (H2O) on a windy day, the wind can cause an increased rate of evaporation even when it is cold out.

b. Melting of ice-cream gives us the liquid (creamy sort of thing) and this can be freezed back to get the ice cream. In terms of chemistry , there is no change in the atomic/molecular configuration of the ice cream. Only there is a change in the state of matter due to the heat absorbed by it.

c. Dew is the result of water changing from a vapor to a liquid. Dew forms as temperatures drop and objects cool down. ... Colder air is less able to hold water vapor than warm air. This forces water vapor in the air around cooling objects to condense.

d. Lava is formed inside the crust of the Earth by extreme heat; it erupts to form a volcano. ... First, as it cools, the lava changes state, from liquid to solid. Another change is the escape of gasses such as carbon dioxide, hydrogen sulfide, and water vapor, from the lava into the atmosphere.

e. Changes of state are physical changes in matter. They are reversible changes that do not involve changes in matter's chemical makeup or chemical properties. Common changes of state include melting, freezing, sublimation, deposition, condensation, and vaporization

i don't know about that answer of e but i know this

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