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solmaris [256]
3 years ago
14

Suppose Earth was tilted much less on its axis. What effect would this have on the planet? Please help me !

Chemistry
1 answer:
hodyreva [135]3 years ago
6 0

Answer:

If Earth was tilted much less on its axis, it would lead to minor changes in precipitation and temperatures as Earth moves slightly towards and away from the sun.

Explanation:

If a planet tilts more, it leads to colder winters and warmer summers. However, if a planet tilts less, it leads to less severe seasons that is and milder winters and cooler summers.

If Earth was tilted much less on its axis, it would lead to minor changes in precipitation and temperatures as Earth moves slightly towards and away from the sun.

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Answer:

2.5523\times 10^{11} atoms/secondsis the activity, measured in of a 50 mg sample of 90-Sr.

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Half life of the 90-Sr ,t_{1/2}= 28.8 years

Activity coefficient of the 90-Sr = \lambda

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Moles of 90-Sr =\frac{0.050 g}{90 g/mol}=0.0005555 mol

Number of atom in 0.0005555 moles of 90-Sr:

0.0005555 mol\times 6.022\times 10^{23} mol^{-1}=3.3455\times 10^{20} atoms

\lambda =0.0240625 year^{-1}=\frac{0.0240625}{3.154\times 10^7 s}=7.6292\times 10^{-10} s^{-1}

1 year = 3.154\times 10^7 seconds

Activity measured in atoms per seconds:

= Number of atoms × \lambda

=3.3455\times 10^{20} atoms\times 7.6292\times 10^{-10} s^{-1}

=2.5523\times 10^{11} atoms/s

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