When cleaning immersion oil from a 100X lens, what should be used?
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n = number of moles
n1= number of molecules
l = avagadro constant
now find n1
<em>A glass flask of volume 400 cm³ is just filled with mercury at 0°C. How much mercury will overflow when the temperature of the system rises to 80°C.</em>
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The volume of mercury that overflow is 5.376 cm³
<h3>Further explanation</h3>Given
volume of glass = 400 cm³
Δt=80 °C - 0 °C = 80
Required
overflow volume
Solution
With an increase in the temperature of the substance, objects can expand. This expansion includes volume expansion.
Can be formulated
Find volume expansion of glass and mercury
- Glass(γ = 1.2.10⁻⁵ C⁻¹)
- Mercury(γ=1.8.10⁻⁴ C⁻¹)
Overflow :
ΔV mercury - ΔV glass : 5.76-0.384 = 5.376 cm³