Answer: The metal is Calcium.
Explanation:
To calculate the specific heat of substance during the reaction.
where,
q = heat absorbed = 789.75 J
c = specific heat of metal = ?
m = mass of substance = 18.0 g
= final temperature - initial temperature =
Now put all the given values in the above formula, we get:
As specific heat is characteristic of each metal and thus the metal is calcium which has specific heat of
The answer is the sun! Hope this helps you! Have a great day!
D. Not all mixtures are heterogeneous
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.
Answer:
Molecular Polarity. A polar molecule is a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative. A diatomic molecule that consists of a polar covalent bond, such as HF, is a polar molecule
Explanation: