Endothermic or exothermic?
Freezing water
What is exothermic
This phase of matter has volume, but no definite shape
What is liquid
Physical or Chemical property: Density
What is a physical property
Element or Compound: salt
What is a compound
Endothermic or exothermic?
heat from a gun shot
What is Exothermic
What is condensation
Homogeneous or Heterogeneous: Bowl of Cereal
Number of elements in (NH4)2SO4
What is 4
Endothermic or exothermic?
Cooking a poptart
What is endothermic
Phase changes are these kind of changes...
(Physical or Chemical)
What are physical changes
formula for Density
What is D = m/V
Units g/mL
Number of hydrogens in (NH4)2SO4
What is 8
What is a direct relationship
What do the flat lines on a heating and cooling curves represent?
What are phase changes
Type of change: Fermenation
What is Chemical Change
These elements are silvery, shiny, and solids
What are metals
A heating curve is this type of thermic reaction
What is endothermic reaction
This state of matter has the greatest spacing between its particles with no definite shape or volume
What is a gas
Density of water?
What is 1 g/mL
This element is at the intersection of period 5, group 11
What is Silver, Ag