Step 4: compute the ph of the solutions
for the acids, use the formula ph = -log[h+). (because hci has 1 h+ ion per formula unit, [h] equals the
molarity.) for water, use what you know about the ph of neutral solutions. for the bases, examine and
extend the pattern. done
0.1 m
нсі
0.001 m
hci
0.1 m
hci
distilled
water
0.1 m
naoh
0.001 m
naoh
0.1 m
naoh
ph:
|
ph:
ph:
ph:
ph:
ph:
ph:
intro
o o

carbohydrates: (starches and sugars) composed of carbon, hydrogen, and oxygen.

lipids: (fats, oils, and waxes) are made of carbon and hydrogen atoms.

nucleic acids: contain hydrogen, oxygen, nitrogen, carbon, and phosphorus. they are polymers of nucleotides. a nucleotide has three parts, a 5-carbon sugar, a phosphate     (-po⬇️4) group, and a nitrogenous base.

proteins: made up of nitrogen, carbon, hydrogen, and oxygen. they are polymers of amino acids.

b c a d mark me

all matter is made up of atoms

in any element all atoms are the same

elements in a compound are always in a constant ratio: apex

before, trains worked using the steam engine. thus, it uses heat so it is crucial to apply heat balance. the steam engine absorbs energy during the stage of boiling water. so, this is the endothermic reaction. when the steam is used to work the piston, it has to release this energy through running the train. the excess energy is released as an exhaust to the chimney. this is the exothermic process because it releases energy to the surroundings.