Which equation best represents a Single Replacement reaction that can occur?

2Cu + FeSO4 = Fe + Cu2SO4
Ag + KNO3 = K + AgNO3
I2 + MgCl2 = Cl2 + MgI2
K + NaF = KF + 2Na

Nitric acid can be formed in two steps from the atmospheric gases nitrogen and oxygen, plus hydrogen prepared by reforming natural gas. in the first step, nitrogen and hydrogen react to form ammonia: (g) (g) (g) in the second step, ammonia and oxygen react to form nitric acid and water: (g) (g) (g) (g) calculate the net change in enthalpy for the formation of one mole of nitric acid from nitrogen, hydrogen and oxygen from these reactions. round your answer to the nearest .

Who examines and coordinates the cleanup of polluted sites?

The biomedical technique in which a part of the brain is destroyed with electric current is known as a. electroconvulsive therapy b. prefrontal lobotomy c. bilateral cingulotomy d. tardive dyskinesia