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34kurt
3 years ago
6

1. In 1897, I made a beam of electrons in a vacuum tube. Who

Chemistry
1 answer:
FromTheMoon [43]3 years ago
3 0
1. J. J. Thomson
2. Electrons
3. Ernest Rutherford
4. Nucleus
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A solution with pH of 9 has [OH-] concentration of
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PH = -log([H+])
[H+] = 10^(-pH)

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statement 1,mass is conserved durning the reaction. statement 2 sum of mass and energy is conserved durning the reaction. which
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