In France, the air temperature is often 30 degrees in summertime. In the northern U. S., it's often 30 degrees in winter. What's the most likely reason for this?

What is the equilibrium constant of aa+bb=cc+dd

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.

How many joules of heat are required to raise thetemperature of 750 g of water from 11.0 °c to 19.0 °c?