The partial pressure of oxygen in the atmosphere is 21.23 kPa. Calculate the partial pressure in atm. Be sure your answer has the right number of significant digits.

It is important to wear proper protective equipment in lab even when not actively performing experiments because accidents can affect any researcher, even one not working on an experiment. select the best answer from the choices provided

Which type of bonding involves the complete transfer of a valence electron from a less electrogrative atom to a more electronegative one

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.