4 years ago

Which of the following is the basis Rutherford's planetary model

2 answers:

6 0

The basis of Rutherford's planetary model is that negatively charged electrons orbit a positively charged nucleus. This was based off of his results of his Gold Foil Experiment where he aimed a narrow beam of alpha particles at the gold. The screen around the gold was made of a material that produced a flash of light when struck by a fast-moving alpha particle. By observing the flash, he could figure out the path of an alpha particle after it passed through the gold. Some of the locations of the flashes on the screen did not support Rutherford's prediction. More particles were deflected than he expected. This meant that the alpha particles whose paths were deflected must have come close to another charged object; the nucleus.

Darya [45]4 years ago

6 0

Answer:

Explanation:

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Which statement about Earth's core helps explain Earth's magnetic field?

Vesnalui [34]

Answer:

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5 0

3 years ago

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Mg3N2(s)+6H2O(l)→3Mg(OH)2(s)+2NH3(g) When 36.0 g of H2O react, how many grams of NH3 are produced? When 36.0 g of H2O react, how

Afina-wow [57]

Answer:

11.3 g of $NH_{3}$ are produced from 36.0 g of $H_{2}O$

Explanation:

1. The balanced chemical equation is the following:

$Mg_{3}N_{2}(s)+6H_{2}O(l)=3Mg(OH)_{2}(s)+2NH_{3}(g)$

2. Use the molar mass of the $H_{2}O$ , the molar mass of the $NH_{3}$ and the stoichiometry of the balanced chemical reaction to find how many grams of $NH_{3}$ are produced:

Molar mass $H_{2}O$ = 18 $\frac{g}{mol}$