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Using data from unfiltered white light and the white light through the yellow filter, determine which two colors of light mix to form yellow. Support your conclusion with a quantitative discussion of relative peak intensities.
What does the first law of thermodynamics tell you about a thermodynamic process? What does the second law tell you? Why can't entropy be destroyed? Can absolute zero be attained? Explain.
A pair of theoretical enantiomers is named below. For each stereoisomer, draw the structure. Be sure to specify the stereochemistry via wedge-and-dash bonds.
If it takes 9.40 milliliters of your 0.0151M titrant how many milligrams of ascorbic acid (MW 176.12) were in the original tablet. Enter the number as a decimal - don't use scientific notation. Do not include units.
Chloroform has a normal boiling point of 61 degrees C and an enthalpy of vaporization of 29.24 kj/mol. What are the values of delta Gvap and delta Svap at 61 degrees C
An electrical component has two resistances of 10 Ω and 15 Ω connected in parallel.
Sulfur dioxide gas is oxidized in 50 percent excess air with 70 percent conversion to sulfur trioxide. The gases enter the reactor at 350 oC and leave at 450 oC.
Problem- Chlorine can be prepared in the laboratory by the reaction of manganese dioxide with hydrochloric acid, HCl(aq), as described by the chemical equation
You get curious as you are weighing out the 2.25 moles and wonder how many molecules are there in your 2.25 moles of Sodium Bicarbonate sample. What is the molecular Mass of Sodium Bicarbonate?
Question- A hydrate of sodium phosphate, Na3PO4, contains 49.7% water by weight. a) How many grams of water and how many grams of anhydrous Na3PO4 are in 1000. grams of this sample? b) In this same 1000.-gram sample, how many moles of water and ho..
A certain person had a brain that weighed 1.40 kg and contained 4.60 x 10^10 cells. Assuming that each cell was completely filled with water (density = 1.00 g/mL) calculate the length of one side of such a cell if it were a cube.
You want to make one liter of a solution containing 10 mg/ml sodium phosphate, 10 mg/ml sodium chloride, and 10 mg/ml potassium nitrate. How much of each starting solution do you need to use, and how much water do you need to add?
Calculate the pressure that CCl4 will exert at 21°C if 1.00 mol occupies 18.2 L, assuming that CCl4 obeys the ideal-gas equation; CCl4 obeys the van der Waals equation.
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