Molarity of the solution resulting from dissolving 46.0 g of silver nitrate in enough water to give a final volume of 335 mL is to be calculated. Concept introduction: Molarity ( M ) is one of the concentration terms that determine the number of moles of solute present in per litre of solution. Unit of molarity is mol/L . The expression to calculate the molarity of a solution when moles of solute and volume of solution are given is as follows: Molarity of solution ( M ) = moles of solute ( mol ) volume of solution ( L ) The expression to calculate the mass of solute when moles and molecular mass of compound are given is as follows: Molarity ( M ) is one of the concentration terms that determine the number of moles of solute present in per litre of solution. Unit of molarity is mol / L . The expression to calculate the molarity of a solution when moles of solute and volume of solution are given is as follows: Molarity of solution ( M ) = moles of solute ( mol ) volume of solution ( L ) The expression to calculate the moles of solute when given mass and molecular mass of compound are given is as follows: Moles of compound ( mol ) = [ given mass of compound ( g ) ( 1mole of compound ( mol ) molecular mass of compound ( g ) ) ]
Molarity of the solution resulting from dissolving 46.0 g of silver nitrate in enough water to give a final volume of 335 mL is to be calculated. Concept introduction: Molarity ( M ) is one of the concentration terms that determine the number of moles of solute present in per litre of solution. Unit of molarity is mol/L . The expression to calculate the molarity of a solution when moles of solute and volume of solution are given is as follows: Molarity of solution ( M ) = moles of solute ( mol ) volume of solution ( L ) The expression to calculate the mass of solute when moles and molecular mass of compound are given is as follows: Molarity ( M ) is one of the concentration terms that determine the number of moles of solute present in per litre of solution. Unit of molarity is mol / L . The expression to calculate the molarity of a solution when moles of solute and volume of solution are given is as follows: Molarity of solution ( M ) = moles of solute ( mol ) volume of solution ( L ) The expression to calculate the moles of solute when given mass and molecular mass of compound are given is as follows: Moles of compound ( mol ) = [ given mass of compound ( g ) ( 1mole of compound ( mol ) molecular mass of compound ( g ) ) ]
Molarity of the solution resulting from dissolving 46.0 g of silver nitrate in enough water to give a final volume of 335 mL is to be calculated.
Concept introduction:
Molarity (M) is one of the concentration terms that determine the number of moles of solute present in per litre of solution. Unit of molarity is mol/L.
The expression to calculate the molarity of a solution when moles of solute and volume of solution are given is as follows:
Molarity of solution(M)=moles of solute(mol)volume of solution(L)
The expression to calculate the mass of solute when moles and molecular mass of compound are given is as follows:
Molarity (M) is one of the concentration terms that determine the number of moles of solute present in per litre of solution. Unit of molarity is mol/L.
The expression to calculate the molarity of a solution when moles of solute and volume of solution are given is as follows:
Molarity of solution(M)=moles of solute(mol)volume of solution(L)
The expression to calculate the moles of solute when given mass and molecular mass of compound are given is as follows:
Moles of compound(mol)=[given massof compound(g)(1moleof compound(mol)molecular mass of compound(g))]
(b)
Interpretation Introduction
Interpretation:
The volume (L) of 0.385Mmanganese(II)sulfate that contains 63.0 g of solute is to be calculated.
Concept introduction:
Molarity (M) is one of the concentration terms that determine the number of moles of solute present in per litre of solution. Unit of molarity is mol/L.
The expression to calculate the volume of the solution when the amount of compound in moles and molarity of solution are given is as follows:
Volume of solution(L)=moles of solute(mol)(1L of solutionmolarity of solution(mol))
The expression to calculate the moles of solute when given mass and molecular mass of compound are given is as follows:
Moles of compound(mol)=[given massof compound(g)(1moleof compound(mol)molecular mass of compound(g))]
(c)
Interpretation Introduction
Interpretation:
The volume (mL) of 6.44×10−2M adenosine triphosphate (ATP) that contains 1.68 mmol of ATP is to be calculated.
Concept introduction:
Molarity (M) is one of the concentration terms that determine the number of moles of solute present in per litre of solution. Unit of molarity is mol/L.
The expression to calculate the volume of a solution when moles of solute and molarity of solution are given is as follows:
Volume of solution(L)=moles of solute(mol)Molarity of solution(M)
In the following reaction, what quantity in moles of CH₃OH are required to give off 4111 kJ of heat? 2 CH₃OH (l) + 3 O₂ (g) → 2 CO₂ (g) + 4 H₂O(g) ∆H° = -1280. kJ
Indicate the processes in the dismutation of Cu2O.
1. Consider these three reactions as the elementary steps in the mechanism for a chemical reaction.
2600
2400
2200
2000
1800
1600
1400
1200
1000
800
Potential Energy (kJ)
600
400
200
0
-200-
-400
-600-
-800
(i) Cl₂ (g) + Pt(s) → 2Cl (g) + Pt(s)
(ii) Cl (g)+ CO (g) + Pt (s) → CICO (g) + Pt (s)
Ea = 1550 kJ
Ea = 2240 kJ
(iii) Cl (g) + CICO (g) → Cl₂CO (g)
Ea
= 2350 kJ
AH=-950 kJ
ΔΗ = 575 ΚΙ
AH=-825 kJ
a. Draw the potential energy diagram for the reaction. Label the data points for clarity.
The potential energy of the reactants is 600 kJ
Reaction Progress
b. What is the overall chemical equation?
c. What is the overall change in enthalpy for the above chemical reaction?
d. What is the overall amount of activation energy for the above chemical reaction?
e. Which reaction intermediate would be considered a catalyst (if any) and why?
f. If you were to add 2700kJ of energy to the reaction (e.g. 2700 kl of heat or electricity), would
you be able to make the reaction reverse itself (i.e. have…