Plan It! Plastic or Wood?
Two students in a science classroom are debating about whether the tables
are made of wood or plastic. As the teacher passes by, she suggests, "Use
cell theory to find the truth!"
SEP Plan Investigations Propose a scientific investigation to determine
whether the tables are wooden or plastic. Include your hypothesis, what
steps the students should take, and any materials they might need to carry
out the procedure.

Base your answer on the information below and on your knowledge of chemistry. nitrogen dioxide, no2, is a dark brown gas that is used to make nitric acid and to bleach flour. nitrogen dioxide has a boiling point of 294 k at 101.3 kpa. in a rigid cylinder with a movable piston, nitrogen dioxide can be in equilibrium with colorless dinitrogen tetroxide, n2o4. this equilibrium is represented by the equation below. 2no2(g) n2o4(g) + 58kj at standard pressure, compare the strength of intermolecular forces in no2(g) to the strength of intermolecular forces in n2(g).

Fill in the coefficients that will balance the following reaction: a0cr2(so4)3 + a1agno3 -> a2cr(no3)3 + a3ag2so4

In a copper wire, a temperature increase is the result of which of the following