Chemistry, 07.02.2021 02:20 deannajd03
Three grams of Bismuth-218 decay to 0.375 grams in one hour. What is the half-life of this isotope?
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If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
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What was bohr’s contribution to the planetary model
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Chemistry, 22.06.2019 19:00, andrecoral105
A4.86 g piece of metal was placed in a graduated cylinder containing 15.5 ml of water. the water level rose to 17.3 ml. what is the density of the metal. i need the steps of how to solve it to so i can use a formula to work out other problems.
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Three grams of Bismuth-218 decay to 0.375 grams in one hour. What is the half-life of this isotope?...
Mathematics, 27.06.2019 07:30
Mathematics, 27.06.2019 07:30