When 19.2 g KOH is dissolved in 116.8 g of water in a coffee-cup calorimeter, the temperature rises from 20 °C to 31.78 °C. What is the enthalpy change per gram (in J/g) of KOH dissolved in the water? Assume that the solution has a specific heat capacity of 4.18 J/gxK. Water has a density of 1.00 g/ml. Be sure to enter the correct sign (+/-). Enter to 1 decimal place.

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When 19.2 g KOH is dissolved in 116.8 g of water in a coffee-cup calorimeter, the temperature rises
from 20 °C to 31.78 °C. What is the enthalpy change per gram (in J/g) of KOH dissolved in the
water? Assume that the solution has a specific heat capacity of 4.18 J/gxK. Water has a density of
1.00 g/ml. Be sure to enter the correct sign (+/-). Enter to 1 decimal place.
Transcribed Image Text:When 19.2 g KOH is dissolved in 116.8 g of water in a coffee-cup calorimeter, the temperature rises from 20 °C to 31.78 °C. What is the enthalpy change per gram (in J/g) of KOH dissolved in the water? Assume that the solution has a specific heat capacity of 4.18 J/gxK. Water has a density of 1.00 g/ml. Be sure to enter the correct sign (+/-). Enter to 1 decimal place.
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