3 answer for number 3.4 is the answer for number 4
I am sorry i wish i could help you but i dont know the answer either.
Answer:
from the ph given find the negative of log of concentrations of hydrogen and hydroxyl ions in acid and base respectively..then write tghe no. of moles of hydrogen and hydroxide ions
Microscopes help you see cells on the molecular level, That’s how it helped cell theory
Answer:
The candle took up all the oxygen under the glass
Explanation:
Carbon dioxide molecules are heavier than air. Because of this, they push the oxygen and other molecules in the air out of the way as they sink down over the flame and candle. When oxygen is pushed away from the wick, it can't react with the wax anymore.