Which of the following disproved the postulate in Dalton's Atomic Theory that stated that all atoms of a given element are identical? A. ions and isotopes
B. nuclear fusion
C. the electron cloud
D. neutrons

Apure solvent has a vapor pressure the vapor pressure of a solution. a. equal to b. lower than c. higher than

Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.

1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c