Answer:
2.408x10^24 molecules
Explanation:
1mole of a substance contains 6.02x10^23 molecules.
This means that 1mole of C3H8 contains 6.02x10^23 molecules.
Therefore, 4moles of C3H8 will contain = 4 x 6.02x10^23 = 2.408x10^24 molecules
Answer:
A, C and D
Explanation:
Lewis acid are compounds that accept a pair of non-bonding electron while Lewis base are compound that donate non-bonding electron pairs. Lewis acid in the options are NaHCO₃ because it has both acidic and basic properties ( ampholyte), (CH3CH2)2HC+ is deficient of electron and BBr3 because boron has an incomplete octet configuration and deficient of two electron
Degree celsius is not an official si unit of measure.
Answer:
iron oxidizes
Explanation:
Being a solid, melting, and attraction are all physical properties.
