Use Le Chatelier’s principle to predict how the equilibrium concentration of the FeCl2+ ion will change when an aqueous solution of silver (I) nitrate, AgNO3, is added to the exothermic reaction below.
Fe3+(aq) + Cl-(aq) → FeCl2+(aq)
increase
decrease
no effect

Which of these statements explains the difference between nuclear binding energy and the strong nuclear force ?

Which of the following is an example of physical change not a chemical change? a) a log gives off heat and light as it burns. b) a tree stores energy from the sun in its fruit. c) a penny lost in the grass slowly changes color. d) a water pipe freezes and cracks on a cold night.

Ineed this asap part i: scientific method what is the difference between science and pseudoscience? what is the scientific method?