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Discuss the cause of acidity and alkalinity in the soil and their management


From 3 moles of KCIO3 to grams of O2

Calculate the pH of 0.01 M aqueous solution of sodium formate at 298 K. [Given:




Ka




(HCOOH) =1.7 × 10−4 at 298K]

the reaction is begun with an initial ph3 concentration concentration of 0.95 m what will be the concentration of ph3 after 127.50


A series of solutions containing NaOH, Na2CO3, and NaHCO3, alone or in compatible combination, was titrated

with 0.1202 M HCl. Tabulated below are the volumes of acid needed to titrate 25.00-mL portions of each

solution to (1) a phenolphthalein and (2) a bromocresol green end point. Use this information to deduce the

composition of the solutions. (2 pts each)


(1) (2)

(a) 22.42 22.44

(b) 15.67 42.13

(c) 29.64 36.42

(d) 16.12 32.23

(e) 0.00 33.333


Telluride, CO is 45. air miles at 11 degrees east of north from durango,CO.

chuck drove 120. miles from durango to telluride, on a mountain road, in 4.25 hours.

find: a) his average (scalar) speed.

b) his average (vector) velocity.


Discuss diseases related to protein deficiency in the human body.



What does protein do in the human body?



Explain why picric acid and tannic acids are used in the treatment of burns.


Explain why egg whites and milk are used as antidotes for heavy metal poisoning.


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