Which statement best represents a proper hypothesis? I think there is no effect on hearing if you listen to loud music for only three hours a day.

Water will flow faster through tightly packed soil than through loosely packed soil.

If different types of leaves are exposed to low temperatures, then they will change colors.

Grapes taste better than apples because grapes are sweeter. Please answer

How many moles of gas are present if p=11 atm, v=12l, t=185k?

Phosphoric acid is a triprotic acid ( =6.9×10−3 , =6.2×10−8 , and =4.8×10−13 ). to find the ph of a buffer composed of h2po−4(aq) and hpo2−4(aq) , which p value should be used in the henderson–hasselbalch equation? p k a1 = 2.16 p k a2 = 7.21 p k a3 = 12.32 calculate the ph of a buffer solution obtained by dissolving 18.0 18.0 g of kh2po4(s) kh 2 po 4 ( s ) and 33.0 33.0 g of na2hpo4(s) na 2 hpo 4 ( s ) in water and then diluting to 1.00 l.

Condensation happens when water vapor cools. true or false? ?