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Chemistry, 22.06.2019 07:50
Which of the following electromagnetic waves can create ions?
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In a copper wire, a temperature increase is the result of which of the following
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Chemistry, 22.06.2019 14:30
An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.
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He table below gives the atomic mass and relative abundance values for the three isotopes of element m. relative abundance (%) atomic mass (amu) 78.99 23.9850 10.00 24.9858 11.01 25.9826 what is the average atomic mass (in amu) of element m? 2.86 5.36 24.30 24.98
Answers: 2
Alaser pulse with wavelength 550 nm contains 4.40 mj of energy. how many photons are in the laser pu...
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