For a reaction, AH = 2 kJ. For which value of TA SAs the reaction spontaneous?
O A. 2 kJ
O B. -2 kJ
O C. 3 kJ
O D. 3 kJ

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

What type of matter is made of only one kind of atom

Which of the following is not an assumption that scientists must make about the natural world? a. regularity b. causality c. predictability d. plausibility