12. Identify the following as a chemical or physical change: Chemical
a. Burning paper
b. Forming new compounds
C. Baking a cake
d. Acid rain reacting with rocks
e. Change in size
f. Change in color Chemical
8. Slicing bread
h. Change in size but not the substance
1. Producing heat
Water rushing over rocks
k. Tearing paper

Imagine that you own a property that is exactly 2.2 acres large. you want to sell your property, but your realtor tells you that you cannot sell your land by the acre. in order to sell your land you need to determine the area you own in units of square meters? given that there are 1.6 kilometers in 1 mile and 640 acres in 1 square mile, what is the area of land that you own in square meters square meters?

The equation picture below shows which type of nuclear reaction u 235 + n x e 134 + sr 100 + 2n

Ok, so i have 2 questions. try to answer them both: (the topic is fire) 1) how can you represent the chemical reaction of fire? 2) what kind of bond is formed in this chemical reaction