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How much heat (in kilojoules)

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  1. How many kilojoules of heat are absorbed when 1.00L of water is heated from 18 degrees C to 85 degrees C?Did I do this right?
    1. answers icon 1 answer
    2. Sarah asked by Sarah
    3. views icon 960 views
  2. is this rightwhen a fuel is burned some of its chemical potential energy is lost as heat. and To convert kilojoules to joules
    1. answers icon 1 answer
    2. Anonymous asked by Anonymous
    3. views icon 655 views
  3. When hydrogen peroxide (H2O2) is used in rocket fuels, it produces water, oxygen, and heat.2H2O2(l)⟶2H2O(l)+O2(g)ΔH=−196kJ
    1. answers icon 1 answer
    2. marcy asked by marcy
    3. views icon 8,024 views
  4. A 5.00 kg block of ice at –25 oC is converted to steam at 125 oC. How much energy (in kilojoules) is expended in this process?
    1. answers icon 3 answers
    2. Ashley asked by Ashley
    3. views icon 1,342 views
  5. Lead is a soft, dense metal with a specific heat of 0.117 J/goC, a melting point of 328.0 oC, and a heat of fusion of 23012 J/g.
    1. answers icon 1 answer
    2. Ashley asked by Ashley
    3. views icon 599 views
  6. How much heat, in kilojoules, is evolved when a 3.70 kg sample of molten Cu freezes?The normal boiling point is 1357 K, and heat
    1. answers icon 1 answer
    2. Andrew asked by Andrew
    3. views icon 921 views
  7. How much heat, in kilojoules, is evolved when a 3.70 kg sample of molten Cu freezes?The normal boiling point is 1357 K, and heat
    1. answers icon 3 answers
    2. Andrew asked by Andrew
    3. views icon 1,557 views
  8. How much energy (in kilojoules) is needed to heat 5.55g of ice from -13.5 ∘ C to 26.5 ∘ C. The heat of fusion of water is
    1. answers icon 1 answer
    2. Kayla asked by Kayla
    3. views icon 856 views
  9. How much energy (in kilojoules) is needed to heat 5.55g of ice from -13.5 ∘ C to 26.5 ∘ C. The heat of fusion of water is
    1. answers icon 1 answer
    2. Kayla asked by Kayla
    3. views icon 1,221 views
  10. How much energy (in kilojoules) is needed to heat 4.00g of ice from -11.0∘C to 21.5∘C? The heat of fusion of water is
    1. answers icon 1 answer
    2. Sally asked by Sally
    3. views icon 1,082 views