Which property of matter is an extensive, rather than an intensive, property of matter?(1 point)

Answer 1

Mass

Answer 2

Why is it difficult to classify dissolving as simply a physical or a chemical change?(1 point)
Responses

Some substances taste the same after they dissolve, and others do not.
Some substances taste the same after they dissolve, and others do not.

Some substances keep the same color when they dissolve, and others do not.
Some substances keep the same color when they dissolve, and others do not.

Some substances release energy when they dissolve, and some absorb energy.
Some substances release energy when they dissolve, and some absorb energy.

Some substances keep the same molecular structure when they break down, and others do not.

Answer 3

Some substances keep the same molecular structure when they dissolve, and others do not.

Answer 4

While camping, you make a snack over a campfire. You roast a marshmallow over the campfire until it is browned and put it between some chocolate and graham crackers. When you take a bite, you notice that the chocolate and marshmallow have melted slightly.

Which statement correctly identifies a part of this process as a physical or a chemical change?

Answer 5

The melting of the chocolate and marshmallow is a physical change.

Answer 6

Which term best describes a milkshake that contains pieces of chocolate cookies?(1 point)
Responses

pure substance
pure substance

homogeneous mixture
homogeneous mixture

compound
compound

heterogeneous mixture

Answer 7

heterogeneous mixture

Answer 8

Which list only includes terms that describe water?(1 point)
Responses

compound, molecule, pure substance
compound, molecule, pure substance

compound, element, molecule
compound, element, molecule

compound, mixture, molecule
compound, mixture, molecule

compound, element, pure substance

Answer 9

compound, molecule, pure substance