If 0.200 mol of gaseous C2H4 and 19.0 L of gaseous O2 measured at STP are reacted stoichiometrically according to the balanced equation, how many moles of gaseous C2H4O are produced

Which of the following is not a good technique for managing used oil? a) have specific, labeled catch pans available for technicians who are collecting oil b) spills in your shop and any releases on pavement or outside should be poured down a drain c) do not use oil containers for antifreeze or other non-similar fluids d) be prepared for oil spills with the proper absorbents

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.

Summarize possible ways in which phases of matter could combine to form a solution.