Is 2H2O(l) -> 2H2(g) + O2(g) exothermic or endothermic?

Freezing 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.

Helium decays to form lithium. which equation correctly describes this decay?

Mr. rose asked his student to draw a quadrilateral with four unequal sides. an example of this kind of quadrilateral