In the following reaction, what is oxidized? ZnSO4(aq) + Cu(s) Zn(s) + CuSO4(aq)

Zn

CuSO4

ZnSO4

Cu

none of these

Calculate the temperature rise when 0.2g of propane is used to heat 400cm cubed of water.

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes? or no? this question is worth 20 points! let it be correct!

Generally, observed behavior that can be formulated into a statement, sometimes mathematical in nature, is called a(n): a. observation. b. measurement. c. theory. d. natural law. e. experiment.