Answer:
where is your option ?
you can't write option so I think
sodium chloride is not sublimable
Speed = frequency times wavelength.
40=8xf
f = 5 Hz or cycles per second.
Picture 1 and 2 or am I wrong and it's not that obvious.
Answer:

Explanation:
You calculate the energy required to break all the bonds in the reactants.
Then you subtract the energy needed to break all the bonds in the products.
N₂ + O₂ ⟶ 2NO
N≡N + O=O ⟶ 2O-N=O
Bonds: 2N≡N 1O=O 2N-O + 2N=O
D/kJ·mol⁻¹: 941 495 201 607

Answer:
Explanation:
Given
Position of a car is given by

and angular speed is 
angular acceleration is


at 
