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Strontium levels in teeth are established during the childhood years as the permanent teeth grow. However, bone material is continually replaced during our lifetime. Given these facts, explain how analyzing the isotopes of strontium in human remains from a mass grave might be useful to a forensic anthropologist.
Diethyl ether C4H10O(l), a flammable compound that has long been used as a surgical anesthetic has a structure
Using molecular orbital theory, determine which of the following species are paramagnetic: O2, O^2-, O2^2-
Adrenaline is the hormone that triggers release of extra glucose molecules in times of emergency or stress. A solution of .64g of adrenaline in 36g of CCl4 causes an elevation of .49 degrees C in the boiling point. What is the molar mass of the ad..
The following measurements refer to the same solution, but one is incorrect. Identify the incorrect value and enter the correct value in the space below. Enter exponents using "e-notation
Considering A-L to represent the major products formed in each of the following reactions, provide a structure for each of A through L. If more than one product can reasonably be conceived from a given reaction, include those as well.
synthesis of methyl orange as a guide, outline an experimental strategy for its synthesis, using any shelf-stable starting materials of your choice. Be sure to also include relevant details such as solvents, reaction temperature, cooling/heating
A fossil was analyzed and determined to have a carbon-14 level that is 50% that of living organisms. The half-life of C-14 is 5730 years. How old is the fossil?
a)Calculate the final temperature for Cv,m=3R/2.b)Calculate q for Cv,m=3R/2 .c)Calculate w for Cv,m=3R/2 d)Calculate delta H for Cv,m=3R/2 e)Calculate delta U for Cv,m=3R/2
A reagent bottle on the shelf labeled 0.5 M NaCl was used in place of the 0.5 M CaCl2. Assuming C2O42- to be in excess, what would be observed as a result of using this reagent in this test
What is the pH of a solution prepared by dissolving 0.10 mol sodium acetate and 0.20 mol of acetic acid in enough water to make 2.0 L? Ka= 1.75 *10^-5
How many moles of oxygen are consumed when 100. L of dinitrogen pentoxide are produced in the following equation 2 N2 + 5 O2 ---> 2 N2O5
Nitrogen gas reacts with hydrogen gas to produce ammonia by the following equation. N2(g) + 3H2(g) ---> 2NH3(g) A: If you have 3.98g of H2, how many grams of NH3 can be produced?
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