If you were to compare the mass of the products and reactants in a reaction, you would find that the mass of the products is <span>equal to the mass of the reactants.</span>
At the top of the swing is your answer.
Kinetic energy increases as an object falls. Increase of speed also increases kinetic energy. The kinetic energy is at zero when an object is not moving
Answer: hydroxide ions
Explanation:
According to the Arrhenius concept, an acid is a substance that ionizes in the water to give hydronium ion or hydrogen ion and a bases is a substance that ionizes in the water to give hydroxide ion .
According to the Bronsted Lowry conjugate acid-base theory, an acid is defined as a substance which donates protons and a base is defined as a substance which accepts protons.
According to the Lewis concept, an acid is defined as a substance that accepts electron pairs and base is defined as a substance which donates electron pairs.
As KOH can give hydroxide ions on dissociation , it is considered as arrhenius base.
Answer is: 2380 grams of CaCO₃ is produced.
Chemical reaction: Ca(CN)₂ + 3H₂O → CaCO₃ + 2NH₃.
n(NH₃) = 47,5 mol.
From chemical reaction: n(CaCO₃) : n(NH₃) = 1 : 2.
n(CaCO₃) = 47,5 mol ÷ 2.
n(CaCO₃) = 23,75 mol.
m(CaCO₃) = n(CaCO₃) · M(CaCO₃).
m(CaCO₃) = 23,75 mol · 100,09 g/mol.
m(CaCO₃) = 2380 g.
The formula we're gonna use for this problem is written below:
ΔG°= nFE°
where
n is number of mol electrons displaced in the reaction
F is Faraday's constant = 96,500 C/mol e
E° is the standard emf
ΔG° = (2)(96,500)(1.46) = <em>281,780 Joules</em>