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dmitriy555 [2]
3 years ago
10

why do you think the partnership of rutherford a partical experiments, and bohr, a theoretical mathematician, was so succesful i

n advancing the modern model of the atom
Chemistry
1 answer:
NeX [460]3 years ago
6 0

Answer:

"Despite their differences, they had one thing in common-they were ready to challenge the age old orthodox concepts which plagued science at that time."

Explanation:

Rutherford and Bohr was two completely different personalities with extraordinary intelligence. Rutherford was an experimentalist and also keenly interested in technology, while Bohr was all into theoretical concept of science and mathematics. Despite their differences, they had one thing in common-they were ready to challenge the age old orthodox concepts which plagued science at that time. Thus these two people were a cause behind the scientific revolution in 20th century. In fact Bohr was deeply intrigued by the atomic concept proposed by Rutherford. He decided to investigate himself why atoms were stable and did not collapse and the empty space inside the atom. This led to several interesting findings which which paved the path to modern concepts of atoms.

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Ba(OH)_2\rightarrow \bold{\green{Barium\: hydroxide}}

Ca(OH)_2\rightarrow \bold{\red{Calcium\: hydroxide}}

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How many grams of XeF6 are required to react with 0.579 L of hydrogen gas at 6.46 atm and 45°C in the reaction shown below?
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The chemical reaction equation for this is 

XeF6 + 3H2 ---> Xe + 6HF

Assuming gas behaves ideally, we use the ideal gas formula to solve for number of moles H2 with T = 318.15K (45C), P = 6.46 atm, V = 0.579L. Then we use the gas constant R = 0.08206 L atm K-1 mol-1.

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to get the mass of XeF6, 

we divide 0.1433 moles H2 by 3 since 1 mole XeF6 needs 3 moles H2 to react then multiply by the molecular weight of XeF6 which is 245.28 g/mole XeF6.

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Answer:

\boxed{2}

Explanation:

Alkaline earth metals are in group 2. The number of valence electrons of elements in group 2 is 2.

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