calculate the heat needed at

  1. Hi I need help with these following questions. I have all of the data needed.Calculate the enthalpy change of the reaction for
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    2. Matt asked by Matt
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  2. using the values for heat of fusion, specific heat of water, or heat of vaporization, calculate the amount of heat energy.Calori
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    2. matt asked by matt
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  3. Calculate the amount of heat, in kJ, needed to convert 30.0 g of ice at -5.2 oC to liquid water at 58 oC.Specific heat of ice =
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    2. Mindy asked by Mindy
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  4. calculate the amount of heat needed to change ice at -5°c to water at 50°c.take specific heat of water to 4200 j/kg/k and
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    2. Joseph asked by Joseph
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  5. 12. The specific heat of copper is 0.385 J/g • °C. Which equation would you use to calculate the amount of heat needed to
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    2. miki asked by miki
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  6. Record the amount of heat needed to change phases for water-ice to steam using graphical analysis.Is there a one accurate amount
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    2. Amy~ asked by Amy~
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  7. ChemistryThe molar heat capacity of butane under constant pressure Cp=19.4 + 0.233 T J.mol' '.K' . Calculate the quantity of
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    2. Zahra asked by Zahra
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  8. HELP im stuck on my homework1. A 15.75-g piece of iron absorbs 1086.75 joules of heat energy, and its temperature changes from
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    2. Limrex asked by Limrex
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  9. The specific heat of copper is 0.385 J/g.°C. Which equation would you use to calculate the amount of heat needed to raise the
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    2. Alex asked by Alex
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  10. Calculate the heat needed to raise the temperature of a piece of gold that weighs 5.8 g by 8.4°C if the specific heat of gold
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    2. Frankie asked by Frankie
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