Sublimation
________ is a process through which solid changes into a gas directly.
Evaporation
________ occurs when particles absorb sufficient energy in a fluid state to separate and form gas particles.
kelvin
The SI unit, ________, is associated by equation TK= TC + 273 with the Celsius temperature.
Calorie
________ (cal), kilocalorie (kcal), joule (J), and kilojoule are common energy units (kJ)
Fusion thermal
________ means the amount of energy necessary to precisely convert 1 g of solid into liquid.
fusion
A(n) ________ occurs when the solid particles absorb sufficient energy to break down and form a liquid.
chemical property
A(n) ________ shows a substance's ability to switch to another.
specific warmth
Through the multiplication of the mass, temperature change, and ________ the heat is lost or recovered by a substance.
Celsius
The temperature in science is measured in ________ (°C) or kelvins (K)
pure substances
Fixed compositions have ________ or compounds and variable compounds have mixtures.
Celsius scale
On the ________, the point of freeze (0 °C) and the point of boiling (100 °C) are 100- unit water.
g of fluid
The amount of heat required to convert 1 ________ to vapor is the heat of the vaporization.
chemical properties
When a substance with new physical and ________ is formed, a chemical change takes place.