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A sample of argon-39 had an original mass of 1578

A sample of argon-39 had an original mass of 1578 grams. After 538 years, the sample is 394.5 grams. What is the half-life of
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A sample of argon-39 had an original mass of 1578 grams. After 538 years, the sample is 394.5 grams. What is the half-life of
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2. asked by UNKNOWN
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What is the half-life of argon-39 if a sample initially weighing 1578 grams has reduced to 394.5 grams after 538 years?
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2. asked by T-Swizzle
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A sample of argon gas collected at STP occupies 5.51 L. How many argon atoms are in 1.00 L of this sample?What is the mass of
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2. asked by a
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Calculate the average atomic mass of a sample of a mixture of argon (Ar). The mixture is 90% argon-36 and 10% argon-38. Argon-36
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QuestionCalculate the average atomic mass of a sample of a mixture of argon (Ar). The mixture is 90% argon-36 and 10% argon-38.
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Calculate the average atomic mass of a sample of a mixture of argon (Ar). The mixture is 90% argon-36 and 10% argon-38. Argon-36
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2. 21 views
A sample of argon gas at STP occupies 56.2 liters. Find the number of moles of argon and the mass in the sample
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2. asked by Emily
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Calculate the average atomic mass of a sample of a mixture of argon (Ar). The mixture is 90% argon-36 and 10% argon-38. Argon-36
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2. 14 views
A 255mL gas sample contains argon and nitrogen at a temperature of 65 degrees celsius. The total pressure of the sample is
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2. asked by Mark
3. 3,812 views