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What are two physical changes that cooling a hot substance may result in?
Cooling a hot substance may result in the condensation of its gaseous state into a liquid state. It may also cause the solidification of a liquid into a solid form as the substance loses its heat energy and transitions to a lower temperature state.
What could cause a gaseous substance to liquefy?
A change in temperature, pressure, or volume (all three are related via gas laws)Example:The refrigerant in an air conditioner/refrigerator regularly condenses and vaporizes as the unit operates
What else could a kind of matter classified as a solution be classified as?
CO2(aq) because a solution means the substance is dissolved in water.
What Three Things can happen when a Chemical Reaction occur?
A chemical reaction can change a substance into a solid, liquid, or gas. It may cause a substance to explode or could cause no change at all.
Difference between vapour and gas?
A vapor is a gas, but it is at a temperature where the substance could also exist as a liquid or a solid. The easiest example is water. Water will evaporate at any temperature above 0 degrees Celsius...but if the pressure of the water vapor increases sufficiently or if the air becomes saturated, the water vapor will condense back to liquid water.
When the molecules in a body move with increased speed is it possible that the body will change from a gas to liquid or gas to a solid or liquid to a solid or liquid to a gas?
Molecules in a solid are tightly packed together and therefore have very low average kinetic energy. However, if you add energy to the system you are increasing the random motion of molecules and the intermolecular distance within the molecules increases thereby changing the substance into a liquid state. Same is true when going from liquid to gaseous state of matter. So only the liquid to gas phase change could occur, if all other conditions remain the same.
How do you compare and contrast evaporation and sublimation?
Evaporation is changing of liquid state into gaseous state. Sublimation is changing of solid state into gaseous state.
What substance on earth is not a liquid solid or gas?
Fire. It is a plasma and could be any of the 3.
What is measured ingrams per milliliter or grams per cubic centimeter?
It could denote the density of a liquid It could also denote the concentration of a dissolved substance in the liquid
Do ionic crystals form ionic liquid?
If an ionic substance were melted, it would become a liquid made of ions; in this case the label "ionic liquid" could be applied.
Which substance is a solid?
anything that's not a liquid or gas. it could be a book, phone, computer, etc.
Could you use transformation in a sentence?
From boiling water, we can observe a transformation of a substance from a liquid to a gas.
