Chemistry, 31.08.2021 21:50 leahelixabeth8973
The half-life of 59Fe is approximately 45 days. How many milligrams of a 6.4 mg sample will remain after 180 days?
Answers: 2
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Which position represents spring in the southern hemisphere? a) b) c) d)
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In a chemical reaction at equilibrium, the rate of the forward reaction the rate of the reverse reaction. if the rate of the forward reaction more products are formed.
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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 23:00
Need asap question 1 minerals are organic compounds. true false question 2 what vitamin can be found in foods like oranges, grapefruits, and broccoli? a. vitamin a b. vitamin k c.vitamin c d. vitamin d question 3 what are minerals? a. chemical elements that are needed for body processes. b. organic compounds that the body needs in small amounts to function properly. c. small molecules used to build proteins. d. an organic compound that is insoluble in water and includes fats. question 4 how many types of vitamins does the human body need? a. 15 b. 11 c. 13 d. 17 question 5 vitamins are a good source of energy. true false
Answers: 1
The half-life of 59Fe is approximately 45 days. How many milligrams of a 6.4 mg sample will remain a...
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