A. A sign above a supermarket display of oranges reads: Organic Produce
No chemicals were used to harvest this fruit!
How accurate is this claim? Why or why not?

its accurate

Explanation:

it says organic produce which means that no chemicals or pesticides or fertiliser were used in growing or harvesting the plant

your answers are a,b,,e and f

i hope this

the enthalpy of formation of water is given as -285.8kj/mol, which states that the enthalpy of formation is negative.

negative enthalpy of formation indicates that the heat is released during the reaction process. the heat is released from reaction to the surroundings the enthalpy is expressed with a negative sign with the energy given out in the reaction process.

the formation of water takes place by giving out heat which is -285.8 kj/mol.