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Homework Help: Is heat required for these processes to occur?

  1. Apr 20, 2007 #1
    Indicate if the following processes requires heat for the process to

    a. C6H12O6 + O2---> CO2 + H2O + Heat
    b. Making ice cubes
    c. Formation of snow in clouds
    d. Evaporation of water
    e. A candle flame

    i think they all require heat, but im not sure
    someone please help!!!

    1. The problem statement, all variables and given/known data

    2. Relevant equations

    3. The attempt at a solution
  2. jcsd
  3. Apr 20, 2007 #2
    Think! Some require heat and some don't. For example, to make ice do you put the cubes in the freezer or in the oven?
  4. Apr 22, 2007 #3
    im pretty sure about most of them,
    but for formation of snow in clouds, i don't know.
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