Physics, 25.10.2020 21:10 sammy16940
Explique por que un ion de magnesio que perdió dos electrones decimos que tiene carga positiva.
Answers: 1
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How much work would a child do while puling a 12-kg wagon a distance of 3m with a 22 n force directed 30 degrees with respect to the horizontal? (a) 82j (b) 52j (c) 109j (d) 95j
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What is the temperature in degrees celsius of a substance with a tempature of 49k
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Uranium has two naturally occurring isotopes. 238u has a natural abundance of 99.3% and 235u has an abundance of 0.7%. it is the rarer 235u that is needed for nuclear reactors. the isotopes are separated by forming uranium hexafluoride uf6, which is a gas, then allowing it to diffuse through a series of porous membranes. 235uf6 has a slightly larger rms speed than 238uf6 and diffuses slightly faster. many repetitions of this procedure gradually separate the two isotopes. what is the ratio of the rms speed of 235uf6 to that of 238uf6? express your answer to five significant figures.
Answers: 3
Explique por que un ion de magnesio que perdió dos electrones decimos
que tiene carga positiva....
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