I. Identifying Physical and Chemical change in matter. Directions: Tell whether the following situation is Physical or Chemical change. Check the appropriate box for your answers. * Physical change Chemical change A tire is inflated Silver necklaces tarnishes in an acidic person A bicycle changes color as it rusts A piece of wood is cut in half Two chemicals were mixed together and a gas is produced Making an artificial volcano by combining baking soda and vinegar A sheet of paper is cut into pieces A marshmallow is toasted over a campfire Chocolate syrup is added

I. Identifying Physical and Chemical change in matter. Directions: Tell whether the following situation is Physical or Chemical change. Check the appropriate box for your answers. * Physical change Chemical change A tire is inflated Silver necklaces tarnishes in an acidic person A bicycle changes color as it rusts A piece of wood is cut in half Two chemicals were mixed together and a gas is produced Making an artificial volcano by combining baking soda and vinegar A sheet of paper is cut into pieces A marshmallow is toasted over a campfire Chocolate syrup is added

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Concept explainers

States of Matter

The substance that constitutes everything in the universe is known as matter. Matter comprises atoms which in turn are composed of electrons, protons, and neutrons. Different atoms combine together to give rise to molecules that act as a foundation for all kinds of substances. There are five states of matter based on their energies of attraction, namely solid, liquid, gases, plasma, and BEC (Bose-Einstein condensates).

Chemical Reactions and Equations

When a chemical species is transformed into another chemical species it is said to have undergone a chemical reaction. It consists of breaking existing bonds and forming new bonds by changing the position of electrons. These reactions are best explained using a chemical equation.

Question

Check the best answer.

I. Identifying Physical and Chemical change in matter.
Directions: Tell whether the following situation is Physical or Chemical change. Check the appropriate
box for your answers.
Physical change
Chemical change
A tire is inflated
Silver necklaces tarnishes in
an acidic person
A bicycle changes color as it
rusts
A piece of wood is cut in half
Two chemicals were mixed
together and a gas is
produced
Making an artificial volcano
by combining baking soda
and vinegar
A sheet of paper is cut into
pieces
A marshmallow is toasted
over a campfire
Chocolate syrup is added
into a pancake
Formation of caramel from
sugar by heating
Rusting of iron in presence of
moisture and oxygen
Dissolving sugar and water
Crumpling a sheet of
aluminum foil
An ice cube is placed under
the sun. After a while, there is
a puddle of water. Later the
puddle is gone.
A solid crushed into powder

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