3. Which element is a nonmetal? * 1 point
Nitrogen (N)
Iron (Fe)
Titanium (Ti)
Potassium (K)

Compare and contrast physical changes with chemical changes.

Which statement best explains the relationship between an area is geography and the temperature of its surface water

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