# If you start with 2 grams of nitrogen-13, how many grans of the isotope remain after 40 minutes?

• If you start with 2 grams of nitrogen-13, how many grans of the isotope remain after 40 minutes?

The isotope nitrogen-13 has a half-life of 10 minutes. If you start with 40 grams of this isotope, ... how many grams will you have left after 20 minutes ...
Positive: 68 %
Half- Life Problem Set. 1. ... How many grams remain after 57.2 years if you have 4.0 g of the isotope at ... How many grams of nitrogen-13 will remain ...
Positive: 65 %

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If we start with 16 grams of a ... How much of a 2.0 gram sample remains after 15 minutes? ... If 25 g are left after 40.35 days, how many grams were in ...
Positive: 68 %
The isotope nitrogen-13 has a half-life of 10 minutes. If you start with 40 grams of this ... How much of a 100-gram sample would remain unchanged after ...
Positive: 63 %
Half-life worksheet ... 30 days if you start with 40 grams? How many days will have ... of I-132 remains after 11.42 hours? The isotope Pb-210 has ...