7. Why would it be difficult to measure the rate of reaction for the rusting of iron?

For rusting, it is difficult to write an equation due to the complexity of the reaction. Thus, we can express the reaction like the following. According to the law of conservation of mass, the increased mass of nail and rust is the amount of oxygen.

Explanation:

I hope this helps:)

Hi there!

The difference between f(x) = 3(x-8) +4 and its parent function is: the function has been shifted right eight units and shifted up four units.

Step-by-step explanation:

---anytime there is a number within a parenthesis for example (x-a) or (x+a) means there is a horizontal shift

*subtracting means you shift to the right, adding means you shift to the left.

The number outside of the parenthesis for example (x)+a or (x)-a means there is a vertical shift

*subtracting means you are shifting down, adding means you are shifting up