Answer:
the stove energy went into heating water is 837.2 kJ.
Explanation:
given,
mass of water = 2000 grams
initial temperature = 0° C
Final temperature = 100° C
specific heat of water (c) = 4.186 joule/gram
energy = m c Δ T              Â
      = 2000 × 4.186 × (100° - 0°)
      = 837200 J             Â
       = 837.2 kJ      Â
hence, the stove energy went into heating water is 837.2 kJ.