What is the density of He in the Goodyear blimp if the pressure is 1.05 atm and the temperature is 23 C? a. 5.8 g/L
b. 0.17 gL
c. 0.086 g/L
d. 11.6 g/L
e. 1.1 g/L

When 13.3 g koh is dissolved in 102.7 g of water in a coffee-cup calorimeter, the temperature rises from 21.4 °c to 31.53 °c. what is the enthalpy change per gram of koh (j/g) dissolved in the water? * take the density of water as 1.00 g/ml. * assume that the solution has a specific heat capacity of 4.18 j/g*k. enter to 1 decimal place. do not forget the appropriate sign /(+). canvas may auto-delete the (+) sign