215k views
4 votes
Fifteen grams of a liquid plastic are frozen in a physical change that increases the volume. What can be known about the plastic after the change?

It will weigh more than 15 grams.
It will have an increased density.
It will still weigh 15 grams.
It will still have the same density

User Rochel
by
7.6k points

2 Answers

7 votes
it will still weigh 15 grams.

nothing is changing about the weight because nothing new is being added. the object is just changing states.
User RoboBear
by
8.5k points
2 votes

Answer: Option (c) is the correct answer.

Step-by-step explanation:

When a substance changes position of its atoms from one state to another then it means no change in chemical composition has occurred.

For example, melting of ice at room temperature.

These type of changes when no change in chemical composition occurs are known as chemical changes.

Hence, we can conclude that when 15 grams of liquid plastic is frozen then its volume increases but it will still weigh 15 grams.

User Jeff Davidson
by
8.1k points