I took the test and the answer is chronium
Plant cells are rectangular or squarish in shape.
Plant cells have a large vacuole.
Explanation:
2H2O2 => 2H2O + O2
Moles of hydrogen peroxide = 0.150dm³ * (0.02mol/dm³) = 0.003mol .
Moles of oxygen = 0.0015mol.
Volume of oxygen = 0.0015mol * (22.4dm³/mol) = 0.0336dm³.
Answer:
2.
Explanation:
This should be right hopefully it is!
he is a good scientist because he postulated that chemical reactions resulted in the rearrangement of the reacting atoms