Chemistry, 31.08.2019 02:10 lionessny6301
The half life for the decay of carbon-14 is 5.73 x 10° years. suppose the activity due to the radioactive decay of the carbon-14 in a tiny sample of an artifact made of wood from an archeological dig is measured to be 42. bq. the activity in a similar-sized sample of fresh wood is measured to be 45. bq. calculate the age of the artifact. round your answer to 2 significant digits. years ?
Answers: 2
Chemistry, 21.06.2019 21:30
Put these processes of the water cycle in the correct order, starting at the point where the water is in the lake: 1. water evaporates into the atmosphere 2. rain, snow, or other precipitation falls 3. water collects into larger bodies of water 4. water vapor condenses into liquid water
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Chemistry, 22.06.2019 18:00
An object displaces 652 ml of water. the volume of the object is: 0.652 cm³ 6.52 cm³ 65.2 cm³ 652 cm³
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Chemistry, 22.06.2019 22:00
Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.
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Chemistry, 22.06.2019 22:00
If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution
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The half life for the decay of carbon-14 is 5.73 x 10° years. suppose the activity due to the radioa...
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