2 years ago

I'm what case are differences isotopes important?

1 answer:

5 0

while discovered less than 100 years ago isotopes are now used in a wide variety of scientific applications that touch the lives of almost every citizen.

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Assume that a gravitational anomaly in the solar system has shifted a field of asteroids into Earth’s orbit, and the field is no

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An asteroid is a minor planet of the inner Solar System. Historically, these terms have been applied to any astronomical object orbiting the Sun.

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1 year ago

Use the mass spectrum of europium to determine the atomic mass of europium. where the peak representing eu-151 has an exact mass

slavikrds [6]

Answer: The atomic mass of a Europium atom is 151.96445 amu.

From the given information:

Percent intensity is 91.61% of Europium atom of molecular weight 150.91986 amu.

Percent intensity is 100.00% of Europium atom of molecular weight 152.92138 amu.

Abundance of Eu-151 atom:

$X_{Eu-151}=\frac{0.9161}{0.9161+1.000}=0.4781$

Abundance of Eu-153 atom:

$X_{Eu-153}=\frac{1.000}{0.9161+1.000}=0.5219$

Atomic mass of Europium atom:

$A=(X_{Eu-151}\times150.91986+X_{Eu-153}\times152.92138)amu\\A=(0.4781\times150.91986+0.5219\times152.92138)amu=151.96445 amu$

Therefore, the atomic mass of a Europium atom is 151.96445 amu.

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2 years ago

Read 2 more answers

If the total time is 120 seconds and the total distance is 320 meters. Calculate

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S=D/T

320/120= 2.66 miles

Explanation:

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3 years ago

What is the polarization ice cap how long is yes

lubasha [3.4K]

Answer:

What???

Explanation:

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3 years ago

In humans, which part of the brain contains 80 percent of its weight? cerebrum cerebellum spiral cord brain stem

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I believe it's the Cerebrum

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2 years ago