Which is an example of a chemical change?

ripping paper

chopping wood

baking a cake

stretching a rubber band

What is the difference between neon and carbon

Balance and evaluate the following equation: AgNO3 (aq) + PbBr2 (s) yields AgBr (s) + Pb (NO3) 2 (aq)

The opening in a leaf that lets things in and out is the what?

If an atom has 5 protons and 6 neutrons how many electrons does it have? What would the mass of this atom be?

Determine a detailed mechanism for the chlorination of benzene using cl2 and fecl3.

What starting matirials do cells need for cellular respiration

What is the velocity of a wave with a frequency of 77 Hz and a wavelength of 200 m?

For the reaction: n2 (g) + 3h2 (g) ⇔ 2nh3 (g), at a particular temperature, the concentrations of n2, h2 and nh3 are 2.1 x 10-3 m, 3.2 x 10-2 m, and 1.8 x 10-1 m, respectively. calculate a value of k for this reaction

Empirical formula for 6. 63.52% Fe, 36.48% S

Name the term used for the configuration of a stereoisomer having R groups whose positions alternate from one side to the other side along the backbone chain.