The balanced chemical reaction for the complete neutralization between HNO₃ and Ba(OH)₂ is given as,
2 HNO₃ (aq) + Ba(OH)₂ (aq) → Ba(NO₃)₂ + 2 H₂O
Balanced equations
In order to balance the equation, the component atoms in the reactants and products must be the same in terms of number and mass.
Thus, in the above chemical equation, the number atoms of H, N, O, and Ba in the reactants and the products must be equal.
Therefore, the overall equation for the chemical reaction is,
2 HNO₃ (aq) + Ba(OH)₂ (aq) → Ba(NO₃)₂ + 2 H₂O
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Only 1 molecule of NH3 will be produced in the following reaction since it requires 2 moles of nitrogen and excess hydrogen to create one molecule. We can't create more than one since we only have 1 of the nitrogen molecule remaining.
Area is length times width, so you would want to undo that. Since this is a square and the sides are equal, you would find the square root of 81 which is 9. Each side of the square is 9 meters
Answer:
Mass of aluminium foil = 387.57_g
Explanation:
density of aluminium foil 2.70 g/cm³,
1_yd = 91.44_cm
1_in = 2.54_cm
Length of aluminum foil = 63.2_yd = 5779.008_cm
Width of aluminium foil = 11 in = 27.94_cm
Thickness of aluminium foil = 0.00035_in. = 0.000889_cm
Volume of aluminium foil = length × width × thickness = 5779.008_cm × 27.94_cm × 0.000889_cm = 143.54_cm^3
Mass of aluminium foil = (volume of aluminium foil) × (density of aluminium foil) = 143.54_cm³ × 2.70 g/cm³ = 387.57_g
The oxidation number of V and Al in each ion is +3 and +4 respectively.
<h3>What is oxidation number in chemistry?</h3>
oxidation number, also called oxidation state, the total number of electrons that an atom either gains or loses in order to form a chemical bond with another atom.
<h3 /><h3>Why is it called oxidation number?</h3>
The term oxidation was first used by Antoine Lavoisier to signify the reaction of a substance with oxygen. Much later, it was realized that the substance, upon being oxidized, loses electrons, and the meaning was extended to include other reactions in which electrons are lost, regardless of whether oxygen was involved.
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