Need asap plzz (35points)
organelles that use energy from sunlight to produce food are called

(a)lysosomes

(b)chloroplasts

(c)ribosomes

(d)mitochondria

Asolution of sodium hydroxide was titrated against a solution of sulfuric acid. how many moles of sodium hydroxide would react with 1 mole of sulfuric acid?

8) a mixture of he, ne and ar has a pressure of 7.85 atm. if the ne has a mole fraction of 0.47 and 8) ar has a mole fraction of 0.23, what is the pressure of he? a) 4.2 atm b) 3.7 atm c) 5.5 atm d) 2.4 atm e) 1.8 atm

If two objects at different te,peraure are in contact with each other what happens to their temperature