A 1.8-L sample of gas at 1.5 atm is held at constant temperature. If the pressure is changed to 2.3 atm, then what would the new volume of the gas be (in liters)? Please do not include units.

Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?

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.

Exit what is the density of an object having a mass of 5.0 g and a volume of 45.0 cm3?