When you go to the doctor for an illness, the doctor asks you how you feel. You describe all your symptoms. Then, the doctor makes hypotheses about which organ system is having problems. Drag each set of complaints below to the organ system most likely to be having problems.

stomach ache,
gassy,
no appetite
sneezing all the time
, runny nose,
trouble breathing,
coughing
having a very hard time remembering people's names,
feeling sad and anxious
seem to be catching every disease that comes around, taking a long time to get a better Respiratory system

Nervous system

Immune system

Digestive system

What state of matter is ice a. liquid b. element c. solid d. gas

Answer asap need to be answered by wednesday morning explain how a buffer works, using an ethanoic acid / sodium ethanoate system including how the system resists changes in ph upon addition of a small amount of base and upon addition of a small amount of acid respectively. include the following calculations in your i. calculate the ph of a solution made by mixing 25cm3 0.1m ch3cooh and 40cm3 0.1m ch3coo-na+. [ka = 1.74 x 10-5 m] ii. calculate the ph following the addition of a 10cm3 portion of 0.08 m naoh to 500cm3 of this buffer solution. iii. calculate the ph following the addition of a 10cm3 portion of 0.08 m hcl to 200cm3 of the original buffer solution.

Which one of the following substances would be the most soluble in ccl4? na2so4 h2o ch3ch2ch2ch2oh c4h10 hi