endothermic means it absorbs energy while exothermic means it releases energy. remember this.
Answer:
(iii) A has pH greater than 7 and B has pH less than 7
Explanation:
Phenolphthalein is a common indicator in acid base titrations. It turns pink in basic conditions and turns colorless in acidic conditions. Thus on addition of solution A it becomes pink so A should be basic having pH more than 7. On addition of B , it turn out to be colorless means that B is an acidic solution having pH less than 7.
Arietis, camelopardalis, lyncis, scorpii, cancri, canis minoris
Answer:
i think Aluminum (Al) oxidized, zinc(Zn) reduced
8miles in 2 hours. Let's find how many she did on average in one hour.
8/2 = 4miles per hour.