Answer:
Due to presence of a triple bond between the two N−atoms, the bond dissociation enthalpy (941.4 kJ mol
−1
) is very high. Hence, N
2
is the least reactive.
Answer:
Kg measurement of volume.
cm measurement of area
L measurement of length
m measurement of maes
Explanation:
mass = moles * molar mass
molar mass of carbon dioxide (CO2) = 12+32 = 44
= 19.5* 44 = 858
proof
moles = mass /molar mass
= 858/44 = 19.5 moles
Answer:
5.68 × 10⁴ mL = 56.8 L
Explanation:
Volume is defined as the amount of three-dimensional closed space. The SI unit of volume is cubic metre which is denoted by the symbol m³.
According to the metric system, other units of volume include: litre (L), millilitre (mL) and cubic centimetre (cm³).
Since, 1 mL = 0.001 L = 10⁻³ L
Therefore, 5.68 × 10⁴ mL = 5.68 × 10⁴ × 10⁻³ L = 5.68 × 10 L = 56.8 L
5.68 × 10⁴ mL = 56.8 L, has three non-zero significant figures.
