a ballon filled with one mole of an ideal gas is leaking molecules at a constant rate of 0.01 mol/hr. after 75 hours, the pressure is half of the initial pressure. what is the new volume in terms of the initial volume, Vi

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.

Ab c or d ? i’m not sure what the answer is

What is bromine+calcium iodide--> calcium bromide +iodine balanced