Ahalf-life is the time required for one-half of the atoms of a radioisotope to emit radiation and decay to products. what value in this lab represents one half-life for the process of flipping coins?

What must happen before a body cell can begin mitotic cell division

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

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.