The spectrum goes as follows:
red, orange, yellow, green, blue, indigo and violet
Red has the lowest frequency.
Since frequency is inversely proportional to the wavelength, therefore, red has the longest wavelength.
Now, consider, the equation:
E = (hc) / lambda
Since the energy is inversely proportional to the wavelength, therefore, red will have the lowest energy.
Based on this, for the mentioned question:
1- Red has longer wavelength
2- Green has greater frequency
3- Green has greater energy
Biopsy, lung or mediastinum, percutaneous needle
Answer:
A. False
B. True
C. False
Explanation:
- A. After the excess sucrose has crystallized out, the remaining solution is not saturated.
This is false, once the excess sucrose has crystallized out, the remaining solution is saturated. There's as much sucrose as can be in that amount of water at that temperature.
- B. After the excess sucrose has crystallized out, the system is now stable and is in equilibrium.
This is true, it is stable because it will not change by itself, it is in equilibrium because the rate of sucrose molecules leaving the surface of the crystals to be hydrated by water is equal to the rate of sucrose molecules in water attaching to the surface of the crystals.
- C. Is false because the system is in equilibrium, so the two rates are equal.
Among the choices provided the TRUE statement is that "<span>All of the inner transition metals are bigger than the main group elements."
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Data:
Q = 402.7 J → releases → Q = - 402.7 J
m = 16.25 g
T initial = 54 ºC
adopting: c = 4.184J/g/°C
ΔT (T final - T initial) = ?
Solving:
Q = m*c*ΔT
-402.7 = 16.25*4.184*ΔT
-402.7 = 67.99*ΔT
If: ΔT (T final - T initial) = ?