Physics
One application of the index of refraction is analysis of crime scenes. Using the index of refraction, forensic scientists can determine what type of glass has been left at a scene. Read the following and answer the questions below. Different types of glass (bottle, window, ca...
Physics
A passenger bus in Zurich, Switzerland derived its motive power from the energy stored in a large flywheel. The wheel was brought up to speed periodically, when the bus stopped at a station, by an electric motor, which could then be attached to the electric power lines. The fl...
science
1. A violin string is oscillating at a frequency of 880 Hz (1 Hz = 1 full cycle / second) in its 2nd harmonic. What wold be the frequency of the fundamental vibrational mode? 2. Describe how you would go about finding the frequency of an unmarked tuning fork using the resonanc...
Reseach paper
thank you everyone for the help. I've been researching on the computer for months with no luck. i will look at the sites u recommended. i thought i was taking medical billing not a writing class....
Algebra
I am confused about how to graph two numbers on the same line. I need to graph: x</+ -2 x>/+ -4 both on the same line I have: -6 -5 [-4 -3 -2] -1 0 1 2 solid line I am not sure if I have the right [ or if I need a ( and if I need a solid line.
Chemistry
Do I have this right? Which one of these is the solute and which one is the solvent in a solution composed of a.) 25.0 g. of silver in 5.0 g. of mercury, and b.) 3.0 g. of iodine (I2) in 100.0 mL of ethanol? a.) Mercury is the solute and silver is the solvent. b.) Iodine is th...
Dr. Bob
Phenanthroline (C12H8N2) was added to the colorless prepared solution and a phenanthroline-iron (II) complex was formed. The absorbance of the resulting colored solution was measured on the spectrophotometer and the percent iron was read from a graph that had been prepared pre...
Dr. Bob
Okay now can you read my introduction for me please... INTRODUCTION: This report discusses an experiment to study the percent mass of iron determined by the concentration of a colored iron solution from the absorbance of the spectrometer. This lab is designed to determine the ...
Dr. Bob
Dr. Bob can you help me get a concluding sentence to my discussion please
Dr. Bob
Another reason why the iron sample percentage didn’t match up with the box of cereals iron content may be because during the process of transferring the burned cereal to the HCL beaker some of the cereal may have been still left in the crucible. In figure B, the coefficie...
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