Archaeologists can determine the age of artifacts made of wood or bone by measuring the amount of the radioactive isotope 14C present in the object. The amount of isotope decreases in a first-order process. If 28.2% of the original amount of 14C is present in a wooden tool at the time of analysis, what is the age of the tool
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Chemistry, 21.06.2019 14:10, alanflores40
Amonoprotic acid is an acid that donates a single proton to the solution. suppose you have 0.140 g of a monoprotic acid dissolved in 35.0 ml of water. this solution is then neutralized with 14.5 ml of 0.110 m naoh. what is the molar mass of the acid?
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Chemistry, 22.06.2019 15:00, MilanPatel
How is the shape of the poem “peer” connected to its meaning?
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Chemistry, 22.06.2019 16:30, Eddie997
For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.
Answers: 2
Archaeologists can determine the age of artifacts made of wood or bone by measuring the amount of th...
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