Answer: Avogadro's Law
Explanation: It states that the volume of the gas is directly proportional to the number of moles of the gas at constant pressure and temperature of the gas.
I believe B) in both chemical changes and physical changes since in chemical changes, nothing is created or destroyed. In physical changes same thing but with matter.
Answer:
first answer
Explanation:
atomic number of bromine is 35
8Fe + 6O₂ -----> 4Fe₂O₃
If eight atoms of iron react completely with six molecules of oxygen, 4 molecules of iron (III) oxide will be formed.
ANSWER: polar covalent, it is what happens when there is unequal bond between two atoms, where one has a slightly negative charge and one has a slightly positive charge.