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Answer:
physical change. 95%Sure 5% doubtful.
Answer:
Q < K because K increased
The system will SHIFT TO THE RIGHT
Explanation:
First, the reaction is endothermic. That is, a reaction in which heat is absorbed from the surroundings. ΔH is positive for endothermic reactions.
At the addition of temperature, the system absorbed more heat causing more products to be formed, shifting the equilibrium to the right.
The equilibrium constant k will therefore increase as the concentration of product increases
K = [B] / [A].
Answer:
f = 1.87 × 10¹⁹ s⁻¹
Explanation:
Given data:
Wavelength of light = 1.6 ×10⁻¹¹ m
Frequency of light = ?
Solution:
Formula:
speed of light = wavelength × frequency
Frequency = speed of light / wavelength
speed of light = 3× 10⁸ m/s
Now we will put the values in formula:
Frequency = speed of light / wavelength
f = 3× 10⁸ m/s / 1.6 ×10⁻¹¹ m
f = 1.87 × 10¹⁹ s⁻¹