Answer:
A coffee cup calorimeter is great for measuring heat flow in a solution, but it can't be used for reactions that involve gases since they would escape from the cup. The coffee cup calorimeter can't be used for high-temperature reactions, either, because they would melt the cup.
Ultraviolet as ultraviolet light waves are around 420 nm like stated in the photo
Hello,
<span>B.They have the same number of valence electrons. </span>
Well it’s the first answer couches