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Calculate the wavelength (in nanometers) of a photon emitted by a hydrogen atom when its electron drops from the n = 5 state to the n = 3 state
Butyric acid is responsible for the foul smell of rancid butter. The pKa of butyric acicd is 4.84.
God prices fluctuate, depending on the international situation. If gold currently sells for $503.11 per troy ounce, how much must you spend to purchase 1.00 mol gold
Write the full symbol for each isotope (give both A and Z for each isotope). How many protons, and how many neutrons are present in the nucleus of each isotope?
57.0 mL of 3.50 M sodium hydroxide is combined with 35.0 mL of 1.80 M magnesium chloride. What mass in grams of solid forms?
A student determined the calorimeter constant of the calorimeter. The student added 50.00 ml of cold water to 50.00 ml of heated distilled water in a Styrofoam cup the initial temperature pf the cold water was 21.00 degrees Celsius
Describe the fictional portrayals of the courtroom, including the trial process, the roles of the prosecution and defense, the roles of the courtroom participants (expand your response from the Week Five CheckPoint), and the handling or implementa..
choose from among the following: disulfide bond, salt bridge, hydrogen bonding or dispersion forces. A) glutamic acid and lysine B) tyrosine and lysine C) Ile and Ala D) two cysteines
If the heat capacity of the calorimeter is 85 JK , and the density of the liquid -1 is 2.34 gmL , what is the specific heat capacity of the unknown liquid?
Following a terrorist release of Cesium-137 (half-life of 30 years) in downtown, clean up efforts were successful in removing all but 100 curies. How long will it take for the contamination to decay to about 5 curies?
The osmotic pressure of a solution containing 26.5 mg of an artificial sweetener per liter is 1.70 torr at 30C. Calculate the molar mass of the compound.
zinc hydroxide is insoluble in water but dissolves when nitric acid solution is added
what is the molarity of the base? Show clearly all strps of calculation please and a generalized chemical equation
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