Answer:
Boiling is the rapid vaporization of a liquid, which occurs when a liquid is heated to its boiling point, the temperature at which the vapour pressure of the liquid is equal to the pressure exerted on the liquid by the surrounding atmosphere.
Explanation:
Hi
Answer: The type of deformation in which the object permanently changes size and shape without fracturing is called ductile deformation.
Explanation:
Ductile deformation is when the object bend or flow without fracturing like clay.
On the other hand, when the object breaks is considered brittle deformation.
Answer:
True
Explanation:
The speed that electromagnetic waves will travel within any medium is the same as those without a medium. The speed of electromagnetic wave is a constant and does not depend on the material of the medium.
- Electromagnetic waves are waves that do not require a material medium for their propagation.
- They are able to pass through vacuums and mediums with particles at constant speed.
- It is mechanical waves whose speed is medium dependent.
- Mechanical waves have varying speed based on the mediums they move through.
Answer:
- <em><u>The rate that SO₂ (g) reacts equals the rate that SO₃ (g) decomposes</u></em>.
Explanation:
The chemical equation for the reaction of sulfur dioxide and oxygen to produce sulfur trioxide is given:
- SO₂ (g) + O ₂ (g) ⇄ SO₃ (g)
The double arrow is indicating that this is an equilibrium reaction, which means that, once the reactants start to react, two reactions occur simultaneously:
- Direct or forward reaction:
SO₂ (g) + O ₂ (g) → SO₃ (g) . . . [the arrow goes from left to right]
SO₂ (g) + O ₂ (g) ← SO₃ (g) . . . [the arrow goes from right to left]
The chemical equilbrium is a dynamic equilibrium, which means that the species (reactants and products) do not remain static but they continue reacting: the rate of both direct and reverse reactions are equal, so in net terms the concentrations do not change.
A graph of reaction rate versus time shows the concentrations of reactants and products over time. Before reaching the equilibrium, the concentrations of reactants will decrease and the concentrations of products will increase, but when the equilibrium is reached the concentrations will remain constant, because, as explained the rate of both forward and reverse reactions are equal.
For the given equation, that means that SO₂ (g) (reactant in the forward reaction) will be consumed at the same rate that SO₃ (g) (reactant in the reverse reaction) will be decomposing.