Which statement is true of the carbon atoms that make up a diamond?
a. they can slip past one another slowly.
b. they are always vibrating in place.
c. they vibrate only when they are heated.
d. they are locked in place and do not move at all.

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