35. How many atoms are in 39.2 moles? (1 mole = 6.02 x 10 23 atoms) A. 2.36 x 10 25atoms
B.
6.5 x 10 23 atoms
C.
6.5 x 10-23 atoms
D.
236 x 10 23 atoms
STOP

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.

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

When hydrochloric acid reacts with potassium hydroxide solution, the following reaction occurs. hcl (aq) + koh (aq) h2o (l) + kcl (aq) the reaction gives off heat energy, so it is an reaction.