Chemistry, 18.07.2019 06:30 madisonrendler1787
If a sample of copper with a density of 8.90 g/cm3 displaces 13.0 ml of water when placed in a beaker, what is its mass? a 1.46 g b. 0.685 g c. 116 g
Answers: 1
Chemistry, 22.06.2019 12:30
The bond energy for the van der waals bond between two helium atoms is 7.9×10−4ev. assuming that the average kinetic energy of a helium atom is (3/2)kbt, at what temperature is the average kinetic energy equal to the bond energy between two helium atoms
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Chemistry, 22.06.2019 12:30
Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17
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Chemistry, 22.06.2019 19:00
Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10×1010). if her stock has a good year and gains $3.20 billion (3.20×109) in value, what is her new net worth?
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If a sample of copper with a density of 8.90 g/cm3 displaces 13.0 ml of water when placed in a beake...
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