What type of reaction occurs in a hand warmer? Exothermic or endothermic
exothermic
Which of the following process is exothermic? (Melting -Boiling -Freezing )
Water freezing to form ice
Burning a match is an example of what type of reaction?
Exothermic
Endo means in or _______.(absorbed-released)
absorbed
Exo means out or ________.(absorbed-released)
released
If a chemical reaction is EXOTHERMIC, the temperature would....
Increase
Is the combustion of gasoline endothermic or exothermic?
Exothermic
In an endothermic reaction the system is releasing energy.(true -False )
False
6CO2 + 6H20 + Energy ---------------> C6 H12 06 + 6O2
endothermic reaction
In an endothermic reaction, heat is ,,,(taken in -given out )
taken in
Evaporation is what kind of change?
Endothermic
What instrument would you use to detect an endothermic or exothermic reaction?( triple beam balance - ruler - thermometer)
thermometer
When iron nails get rusty, heat is released. What process is this?(Exothermic or Endothermic )
Exothermic
Burning a match is an example of what type of reaction?
Exothermic
During an endothermic reaction in a beaker if we are part of the surroundings and touched the beaker, it would feel _______. (cold -warm)
Cold