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13 Dec 2019
A 70.0mL sample of 1.0 M NaOH is mixed with 56.0 mL of 1.0 MH2SO4 in a large Styrofoam cup; the cup is fitted with a lidthrough which passes a calibrated thermometer. The temperature ofeach solution before mixing is 25.4 Celcius. After adding the NaOHsolution to the coffee cup, the mixed solutions are stirred untilreaction is complete. Assume that the density of the mixedsolutions is 1.00 g/mL, that the specific heat of the mixedsolutions is 4.18 J/(g celcius), and that no heat is lost to thesurroundings. The deltaHrxn for the neutralization of NaOH withH2SO4 is -114 kJ/mol H2SO4. What is the maximum measuredtemperature in the Styrofoam cup?
A 70.0mL sample of 1.0 M NaOH is mixed with 56.0 mL of 1.0 MH2SO4 in a large Styrofoam cup; the cup is fitted with a lidthrough which passes a calibrated thermometer. The temperature ofeach solution before mixing is 25.4 Celcius. After adding the NaOHsolution to the coffee cup, the mixed solutions are stirred untilreaction is complete. Assume that the density of the mixedsolutions is 1.00 g/mL, that the specific heat of the mixedsolutions is 4.18 J/(g celcius), and that no heat is lost to thesurroundings. The deltaHrxn for the neutralization of NaOH withH2SO4 is -114 kJ/mol H2SO4. What is the maximum measuredtemperature in the Styrofoam cup?
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Nelly StrackeLv2
17 Dec 2019
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