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At the beginning of the year we observed that mass is conserved in changes. How does your answer to question 1 explain conservation of mass?
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What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.
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Aprotein molecule in an electrophoresis gel has a negative charge.the exact charge depends on the ph of the solution, but 30 excesselectrons is typical. what is the magnitude of the electric forceon a protein with this charge in a 1500 n/c electric field?
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The maximum wavelength of light required to eject an electron from zinc is 270nm. calculate the threshold frequency of zinc.
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Explain how waste energy is produced when an inefficient lightbulb converts electrical energy into radiant energy.
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At the beginning of the year we observed that mass is conserved in changes. How does your answer to...
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