1. Which is not an example of a physical change to a wooden stick?
A) slicing wood shavings from the stick
B) bending the stick back and forth
C) burning the stick
D) chopping the stick in half

How do you convert 4 mmol of bromobenzene to ml?

Ineed pls urgent 1-20 in order and fully detail step my step.

When a chemist collects hydrogen gas over water, she ends up with a mixture of hydrogen and water vapor in her collecting bottle if the pressure in the collecting bottle is 97.1 kilopascals and the vapor pressure of the water is 3 2 kilopascals, what is the partial pressure of the hydrogen?