What do many scientists believe contributed to the extinction of the dinosaurs? question 1 options: global warming plate tectonics predators asteroid impact

When you perform this reaction, what could remain at the end of the reaction? check all that apply. excess reactant aqueous copper chloride excess reactant aluminum oxygen product solid copper carbon dioxide product aqueous aluminum chloride water

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

Apump contains 0.5 l of air at 203 kpa.you draw back on the piston of the pump, expanding the volume until the pressure reads 50.8 kpa. what is the new volume of the air pump