Science 6
7. Which is NOT a heterogeneous mixture?
A. Fruit Salad
C. Marbles and Pebbl...
Science 6
7. Which is NOT a heterogeneous mixture?
A. Fruit Salad
C. Marbles and Pebbles
B. Pencils and Pens
D. Vinegar
8. Why is a freshly squeezed orange juice called heterogeneous mixture?
A. No change can be observed.
B. The components were completely dissolved.
C. The components cannot be separated completely.
Answers: 3
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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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Calculate the energy required to ionize a hydrogen atom to an excited state where the electron is initially in the n = 5 energy level. report your answer in kilojoules
Answers: 1
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