The compound that contains ionic bonds is CaO, Calcium oxide.
An Avogadro's number (6.022 x 10^23) worth of carbon atoms have that exact mass.
12.011 is the MOLAR mass of carbon. It is the mass of 1 mole of carbon. 1 mole of anything contains 6.022 x 10^23 of that thing.
Answer:
-145.2kJ
Explanation:
Enthalpy is an extensive property as its value depends on the amount of substance present in the system.
If the enthalpy for one mole of methanol = -726 kJ/mol;
The Enthalpy for 0.2 mol is given as;
Enthalpy = 0.200 * 726
Enthalpy = -145.2kJ
It would take -145.2kJ for 0.200 mol of methanol to undego the combustion reaction.
Atoms are real even though they're invisible.
Answer:
The molecular formula of a compound may be the empirical formula, or it may be a multiple of the empirical formula. So, yes!
Explanation: