HEL I NEED ANSWERS QUICK ALOT OF POINTS How many milliliters of a 0.5 molar HCl solution are needed to react completely with 11 grams of zinc according to the following equation?
? HCl+? Zn→? ZnCl2 +? H2 Answer in units of mL.

Iwill give extra points to who gets this right

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.

Which of these is a physical property