How many kilojoules of heat will be released when exactly 1 mole of manganese, mn, is burned to form mn3o4 at standard state condaition?

The amount of heat released is 462.3 kJ

Explanation:

The chemical equation for the reaction of manganese and oxygen to produce manganese (II,III) oxide follows:

We need to calculate the amount heat released for 1 mole of manganese.

To calculate the amount of heat released, we use unitary method:

When 3 moles of manganese is burnt, the amount of heat released is 1387 kJ

So, when 1 mole of manganese is burnt, the amount of heat released will be =

Hence, the amount of heat released is 462.3 kJ

i believe it is a.) released into

explanation:

c is having 4 valence electrons and is bonded to three hydrogens and one sulphur atom, therefore, the number of bond pair is equal to four. as all the valence electrons are used in forming the bonds so, there is no lone pair left on carbon.

s is having 6 valence electrons and is bonded to one other sulfur atom and one carbon atom, therefore, the number of bond pair is equal to 2. as only two valence electrons are used in forming the bonds so, four electrons are left. therefore, two lone pairs are present on s.