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Asked Oct 20, 2019
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If all of the energy from burning 432.0 g of propane (AHcomb.C3H8 = -2220 kJ/mol) is used to heat water, how
many liters of water can be heated from 20.0°C to 100.0°C? (Assume that the density of water is 1.00 g/mL)
L of water
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If all of the energy from burning 432.0 g of propane (AHcomb.C3H8 = -2220 kJ/mol) is used to heat water, how many liters of water can be heated from 20.0°C to 100.0°C? (Assume that the density of water is 1.00 g/mL) L of water

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Expert Answer

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Step 1

Given:

Mass of propane = 432.0 g

Molar mass of propane = 44.1 g/mol

Step 2

Calculation for number of moles:

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mass number of moles molar mass 432.0 g number of moles 44.1 g/mol 9.79 moles number ofmoles

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Step 3

Calculation for energy obtained form 432.0 g:

On burning 1 mole of propane -2220 KJ energ...

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