During a lab, we take the initial volume of water in a graduated cylinder to be 23.4 ml. After adding a screw to the water, it then raises to 27.6 ml. If the mass of the screw was found to be 7.1 grams- what would the density of the screw to be in g/ml? A) 3.89
B) 29.8
C) 3.40
D) 1.7

Using data from seismic waves, geologists have learned that earth’s interior is made up of several

How many grams of oxygen gas are contained in a 15 l sample at 1.02 atm and 28°c? show your work.

Consider the reaction of a(g) + b(g) + c(g) => d(g) for which the following data were obtained: experiment initial [a], mol/l initial [b], mol/l initial [c], mol/l initial rate, mol/l. s 1 0.0500 0.0500 0.0100 6.25 x 10^-3 2 0.100 0.0500 0.0100 2.50 x 10^-2 3 0.100 0.100 0.0100 1.00 x 10^-1 4 0.0500 0.0500 0.0200 6.25 x 10^-3 what is the rate law for the reaction?