3 years ago

The helium flash converts helium to the heavier element _____.

Chemistry

1 answer:

kolbaska11 [484]3 years ago

5 0

<span>The helium flash converts helium to the heavier element carbon.</span>

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Answer:

The answer is "0.0000190 and 2.7 J".

Explanation:

$\to P_4=\frac{e^{-\beta}(4+\frac{1}{2}) hev}{2vb}\\\\$

$=\frac{e^{-9(1.35)}}{0.278v}\\\\=\frac{e^{-12.5}}{0.278}\\\\=\frac{0.000005285}{0.278}\\\\=0.0000190$

Given:

$h=6.626 \times 10^{-34}\\\\c=3\times 10^{10}\\\\v=558\ cm^{-1}\\\\K=1.38 \times 10^{-23}\\\\ T=298\\\\$

$E=\frac{hcv}{KT}\\\\$

by putting the value into the above formula so, the value is 2.7 J

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3 years ago

n a coffee cup calorimeter, 100.0 mL of 1.0M NaOH and 100.0 mL of 1.0M HCl are mixed. Both solutions were originally at 24.6 deg

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Answer:

Explanation:

mass of the solution = volume x density = 200 x 1 = 200 gm

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3 years ago

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it is often thought that two mutations must happen in a cell to create a cancerous cell. What two cell functions could mutate an

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2 years ago