Chemistry, 23.10.2020 03:01 saraaaaaaaa20
Natural samples of copper contain two isotopes. 63Cu has a mass of 62.930 amu and 65Cu has a mass of 64.928 amu. The percent abundance of 63Cu is 69.09% and 65Cu is 30.91%. Calculate the average atomic mass of copper
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What happens to the average kinetic energy of a gas when the particles of the gas collide against each other at a constant temperature and volume? explain your answer.
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One similarity and one difference between an element and a mixture of elements
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The comparison of the number of atoms in a copper coin the size of a penny with the number of people on earth is made to illustrate which of the following? a. that atoms are indivisible b. that atoms are very small c. that atoms are very large d. that in a copper penny, there is one atom for every person on earth
Answers: 1
Natural samples of copper contain two isotopes. 63Cu has a mass of 62.930 amu and 65Cu has a mass of...
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