What steps would be included in a good scientific investigation? A
observation
B
recording data
C
analyzing results
D
all of the above

What is the percent by mass of oxygen in fe2o3

For the reaction shown, find the limiting reactant for each of the following initial amounts of reactants. 4al(s)+3o2(g)→2al2o3(s) a) 1 molal, 1 mol o2 b) 4 molal, 2.6 mol o2 c) 16 molal, 13 mol o2 d) 7.4 molal, 6.5 mol o2

Which of the following is true about the speed of light? it depends on the wavelength.