Answer:
The answer is helium, I hope this is helpful :)
Answer:
![\large \boxed{\text{5.8 L}}](https://tex.z-dn.net/?f=%5Clarge%20%5Cboxed%7B%5Ctext%7B5.8%20L%7D%7D)
Explanation:
Data:
p₁ = 1 bar; V₁ = 5 L; T₁ = 0 °C
p₂ = 1 bar; V₂ = ?; T₂ = 45 °C
The pressure and the number of moles are constant, so, to calculate the volume, we can use Charles' Law.
![\dfrac{V_{1}}{T_{1}} = \dfrac{V_{2}}{T_{2}}](https://tex.z-dn.net/?f=%5Cdfrac%7BV_%7B1%7D%7D%7BT_%7B1%7D%7D%20%3D%20%5Cdfrac%7BV_%7B2%7D%7D%7BT_%7B2%7D%7D)
Calculations:
(a) Convert temperatures to kelvins
T₁ = (0 + 273.15) K = 273.15 K
T₂ = (45 + 273.15) K = 318.15 K
(b) Calculate the new volume
![\begin{array}{rcl}\dfrac{V_{1}}{T_{1}} &= &\dfrac{V_{2}}{T_{2}}\\\\\dfrac{5}{273.15} &= &\dfrac{V_{2}}{318.15}\\\\0.018 &= &\dfrac{V_{2}}{318.15}\\\\{ V_{2}} &=& 0.018 \times 318.15\\&=& \textbf{5.8 L}\\\end{array}\\\text{The volume will be $\large \boxed{\textbf{5.8 L}}$}](https://tex.z-dn.net/?f=%5Cbegin%7Barray%7D%7Brcl%7D%5Cdfrac%7BV_%7B1%7D%7D%7BT_%7B1%7D%7D%20%26%3D%20%26%5Cdfrac%7BV_%7B2%7D%7D%7BT_%7B2%7D%7D%5C%5C%5C%5C%5Cdfrac%7B5%7D%7B273.15%7D%20%26%3D%20%26%5Cdfrac%7BV_%7B2%7D%7D%7B318.15%7D%5C%5C%5C%5C0.018%20%26%3D%20%26%5Cdfrac%7BV_%7B2%7D%7D%7B318.15%7D%5C%5C%5C%5C%7B%20V_%7B2%7D%7D%20%26%3D%26%200.018%20%5Ctimes%20318.15%5C%5C%26%3D%26%20%5Ctextbf%7B5.8%20L%7D%5C%5C%5Cend%7Barray%7D%5C%5C%5Ctext%7BThe%20volume%20will%20be%20%24%5Clarge%20%5Cboxed%7B%5Ctextbf%7B5.8%20L%7D%7D%24%7D)
Answer:
Process by which electric current is passed through a substance to effect a chemical change.
Explanation:
Hope this helps and have a blessed day.
Answer:
Half-Life = 18 days
Explanation:
Isotope decay follows the equation:
Ln[A] = -kt + ln[A]₀
<em>Where [A] is amount of isotope after time t,</em>
<em>k is rate constant</em>
<em>[A]₀ is initial amount of isotope.</em>
<em> </em>
If we solve rate constant, we can find half-life by using:
Half-life = ln 2 / Rate constant
Replacing in isotope decay equation:
Ln[1/8] = -k*54 days + ln[1]
-2.07944 = -54k
0.0385days⁻¹ = k
Half-Life = ln 2 / 0.0385days⁻¹
<h3>Half-Life = 18 days</h3>
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