Properties of Water
When water freezes it expands into crystalline structures that allows ice to float.
What is Changing density
Calculate the density, in g/mL, of a substance that has a mass of 21.0 grams and a volume of 7.00 milliliters.
What is 3g/ml
Phase change of gas to a liquid
What is condensation
Heterogeneous mixtures made up of large particles that settle out over time are called _____. Examples include; muddy water, liquid antibiotics, and orange juice with pulp.
What are suspensions
Any characteristic of a material that can be observed and measured without changing its identity is a _. Examples include; density, boiling point, and state of matter.
What are physical properties.
This property of water makes it known as the universal solvent.
What is Adhesive property.
A block of metal has a mass of 300 g and a volume of 100 cm³. What is its density?
What is 3g/ml
Phase change of liquid to gas at the boiling point.
What is vaporization.
Homogeneous mixtures composed of a solvent and a solute are called
What are solutions
The transformation of a substance or a mixture that does not change the identity of the substance is a _. One example is the separation of a mixture.
What are physical changes.
This property of water causes a high surface tension due to water molecules "sticking" to each other.
What is cohesive property.
A liquid has a density of 1.2 g/cm³. If you have 250 cm³ of the liquid, what is its mass?
What is 300g
Phase change of liquid to gas at room temperature.
What is evaporation
All types of matter that have fixed compositions, such as elements and compounds, are called
What are pure substances
All bodies of water on the Earth’s surface, such as lakes, seas, and even clouds make up the _____.
What is the hydrosphere.
This property causes allows water to absorb a lot of energy before it heats up.
What is high heat capacity or specific heat.
A piece of wood has a mass of 180 g and a density of 0.6 g/cm³. Find its volume.
What is 300g/ml
Phase change of solid to gas.
What is sublimation
Which type of matter is made up of two or more substances that can be physically separated and does not have a fixed composition?
What are mixtures
The mixture of gasses that surround the Earth make up our _____.
What is atmosphere
This is the difference between the cohesive and adhesive property of water.
What is the attraction of water molecules to each other (cohesion) and the attraction of water molecules to other molecules (adhesion).
A rectangular object measures 5 cm × 3 cm × 2 cm and has a density of 4 g/cm³. What is its mass?
What is 120g
Phase change of gas to a solid.
Heterogeneous mixtures made up of particles that never settle are called _____. Examples include; ink, smoke, and fog.
What are colloids.
Anything that has mass and takes up space (volume) is called _____.
What is matter.