True, Energy cannot be created or destroyed therefore it remains constant
To convert weight to moles, we must use the molar weight found on the periodic table. Sulfur's (S) molar weight is 32.06 g/mol. Then we set up an equation and cancel out units:

So now we know that 0.994g of sulfur is equal to 0.031 moles.
Lichens are an examples of Symbiosis
Which situation is an example of internal conflict
A! Oxidize. Hope this helps!