Is the following phase change endothermic or exothermic?
formation of snow in the clouds
exothermic
endothermic
6.
Is the following reaction endothermic or exothermic?
baking a cake
endothermic
exothermic
7.
Is the following phase change endothermic or exothermic?
melting ice cubes
exothermic
endthermic
8.
Is the following reaction endothermic or exothermic?
mixing water and ammonium nitrate (feels cold)
exothermic
endothermic
9.
Is the following phase change endothermic or exothermic?
Freezing Kool-Aid
exothermic
endothermic
10.
Is the following reaction endothermic or exothermic?
3 Fe + 2 O2 --> Fe3O4
H= -1120 kJ
endothermic
exothermic