Suppose you calculate your percent yield to be 125%. assuming you have not made a mathematical error, what is a possible reason that would cause your yield to be over 100%?

18. use the activity series to predict whether the following synthesis reaction will occur. write the chemical equations for the reaction if it's predicted to occur. (s) + o2(g) -> *note: it is possible.*

Evaluate this exponential expression,8. (2 + 3)2 – 42

The graph above shows how the price of cell phones varies with the demand quantity. the equilibrium price for cell phones is where both supply and demand quantities equal $100, 5,000 5,000, $100