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Chemical Equilibrium
... The equilibrium constant of a reaction that has been multiplied by a number is the equilibrium constant raised to a power equal to that number The equilibrium constant for a net reaction of two or more steps is the product of the constants of the individual steps ...
... The equilibrium constant of a reaction that has been multiplied by a number is the equilibrium constant raised to a power equal to that number The equilibrium constant for a net reaction of two or more steps is the product of the constants of the individual steps ...
Colligative Properties
... • ∆Tf = Kf m i • 62.5 g Ba(NO3)2 .239 moles • .239 moles/1.00 kg = .239 m • 1.86°C/m x .239 m = .444°C • Ba(NO3)2 Ba+2 + 2 NO3-1 = 3 moles of ions (i ...
... • ∆Tf = Kf m i • 62.5 g Ba(NO3)2 .239 moles • .239 moles/1.00 kg = .239 m • 1.86°C/m x .239 m = .444°C • Ba(NO3)2 Ba+2 + 2 NO3-1 = 3 moles of ions (i ...
1442 Final Review
... 11. The lattice energy of NaI is 686 kJ/mol and its heat of solution is -7.6 kJ/mol. Calculate the hydration energy of NaI(s). a) +15.2 kJ/mol b) -678 kJ/mol *c) -694 kJ/mol d) +678 kJ/mol e) +694 kJ/mol 12. When a nonvolatile solute is added to a volatile solvent, the solution vapor pressure ______ ...
... 11. The lattice energy of NaI is 686 kJ/mol and its heat of solution is -7.6 kJ/mol. Calculate the hydration energy of NaI(s). a) +15.2 kJ/mol b) -678 kJ/mol *c) -694 kJ/mol d) +678 kJ/mol e) +694 kJ/mol 12. When a nonvolatile solute is added to a volatile solvent, the solution vapor pressure ______ ...
IA Velikanova, AK Bolvako PHYSICAL CHEMISTRY
... 1. A chemical system is at equilibrium (a) when the rate of the forward reaction becomes zero; (b) when the rates of the forward reaction and the reverse reaction are equal; (c) when all of the reactants have been used up; (d) when the rates of the forward reaction and the reverse reaction are both ...
... 1. A chemical system is at equilibrium (a) when the rate of the forward reaction becomes zero; (b) when the rates of the forward reaction and the reverse reaction are equal; (c) when all of the reactants have been used up; (d) when the rates of the forward reaction and the reverse reaction are both ...
Matter can be broadly divided into two major groups, `Pure` and
... A soluble solid can be obtained back from a liquid in which it dissolves by the process of evaporation. Distillation is employed to separate and re-obtain both the solute and the solvent from a solution. Fractional Distillation is used to separate two miscible liquids whose boiling points differ by ...
... A soluble solid can be obtained back from a liquid in which it dissolves by the process of evaporation. Distillation is employed to separate and re-obtain both the solute and the solvent from a solution. Fractional Distillation is used to separate two miscible liquids whose boiling points differ by ...
Pressure - Peoria Public Schools
... Take notes on key information (not just the highlighted words) There are three questions I have to help guide your notes: What causes gases to exert pressure? What is the tool used to measure atmospheric pressure, and how does it work? What are the units in which pressure is commonly measured? ...
... Take notes on key information (not just the highlighted words) There are three questions I have to help guide your notes: What causes gases to exert pressure? What is the tool used to measure atmospheric pressure, and how does it work? What are the units in which pressure is commonly measured? ...
Restoring Your Digestive Health
... Acne Products, 5-8 oz. or Oil Absorbing Sheets, 50 ct. Assorted Varieties Your Choice ...
... Acne Products, 5-8 oz. or Oil Absorbing Sheets, 50 ct. Assorted Varieties Your Choice ...
Solutions
... solvent at various temperatures. The solubility curves on Table G in your reference table show the number of grams of a substance that can be dissolved in 100 grams of water at temperatures between 0oC and 100oC. Each line represents the maximum amount of a substance that can be dissolved at a given ...
... solvent at various temperatures. The solubility curves on Table G in your reference table show the number of grams of a substance that can be dissolved in 100 grams of water at temperatures between 0oC and 100oC. Each line represents the maximum amount of a substance that can be dissolved at a given ...
Title Pressure effect on the eda
... and ~faischttfobservedthe small decrease in Kand the increase in J with pressure for henzene-TCXE complex in methplene chloride. The trend in K was not theoretically-interpreted. However,they explained that i(the competitive soh•ent-TCAEcomplex formation became more effectiveat high pressure,the obs ...
... and ~faischttfobservedthe small decrease in Kand the increase in J with pressure for henzene-TCXE complex in methplene chloride. The trend in K was not theoretically-interpreted. However,they explained that i(the competitive soh•ent-TCAEcomplex formation became more effectiveat high pressure,the obs ...
2016 - Specimen Paper 4 - Cambridge International Examinations
... number of moles of HCl used = ………………………………………………...…..……. number of moles of CoCl2 formed = ……………………………………………..….…… number of moles of CoCl2.6H2O formed = ………………………………………..…..… mass of one mole of CoCl2.6H2O = 238 g maximum yield of CoCl2.6H2O = …………………………………………………..…..… g to show that cobalt(II) ca ...
... number of moles of HCl used = ………………………………………………...…..……. number of moles of CoCl2 formed = ……………………………………………..….…… number of moles of CoCl2.6H2O formed = ………………………………………..…..… mass of one mole of CoCl2.6H2O = 238 g maximum yield of CoCl2.6H2O = …………………………………………………..…..… g to show that cobalt(II) ca ...
Equilibrium
... - the rate of the fwd reaction is guided by the reactants and the rate of the rvs reaction is guided by the products - the higher the concentration the higher the rate - reaction rates of forward and reverse reactions are equal at equilibrium - the reactions continue to create reactant and product a ...
... - the rate of the fwd reaction is guided by the reactants and the rate of the rvs reaction is guided by the products - the higher the concentration the higher the rate - reaction rates of forward and reverse reactions are equal at equilibrium - the reactions continue to create reactant and product a ...
Thermodynamics and Phase Diagrams
... which is one form of the Clausius-Clapeyron equation. Because closepacked γ-iron has a smaller molar volume than α-iron, DV = Vmβ – Vmα < 0, while DH = Hγ – Hα < 0 for the same reason a liquid has a higher enthalpy than a solid, so that dP/dT is negative; that is, an increase in pressure lowers the ...
... which is one form of the Clausius-Clapeyron equation. Because closepacked γ-iron has a smaller molar volume than α-iron, DV = Vmβ – Vmα < 0, while DH = Hγ – Hα < 0 for the same reason a liquid has a higher enthalpy than a solid, so that dP/dT is negative; that is, an increase in pressure lowers the ...
Fractional Composition
... • use fractional composition equations to calculate titration curves in spreadsheets • need to calculate mls of titrant (eg NaOH) • done by use of charge balance and fraction of titration φ ...
... • use fractional composition equations to calculate titration curves in spreadsheets • need to calculate mls of titrant (eg NaOH) • done by use of charge balance and fraction of titration φ ...
Chapter 16 Handout
... reactions have not ceased. They occur simultaneously at the same rate. During dynamic equilibrium: –The ____________________. and concentrations of chemical substances remain constant. –The total gas ____________________. is constant (if gases are involved) –The ____________________. us constant –Th ...
... reactions have not ceased. They occur simultaneously at the same rate. During dynamic equilibrium: –The ____________________. and concentrations of chemical substances remain constant. –The total gas ____________________. is constant (if gases are involved) –The ____________________. us constant –Th ...
CHEM1310 Lecture - School of Chemistry and Biochemistry
... an altitude at which the temperature is -10oC yet the volume is unchanged. Calculate the pressure at that altitude . ...
... an altitude at which the temperature is -10oC yet the volume is unchanged. Calculate the pressure at that altitude . ...
Chemical equilibrium and the kinetic theory of gases
... Chemical engineers may need to use equations such as the Van der Waals or virial equations frequently in their calculations of pressure and volume of reacting gases. Solving equations like this is mathematically tricky and chemical engineers will have access to suitable software packages to enable r ...
... Chemical engineers may need to use equations such as the Van der Waals or virial equations frequently in their calculations of pressure and volume of reacting gases. Solving equations like this is mathematically tricky and chemical engineers will have access to suitable software packages to enable r ...
Chemistry Mid-Term Review Guide
... • Distillation is a separation technique for homogeneous mixtures that is based on the differences in boiling points of substances. • Crystallization is a separation technique for homogenous mixtures that results in the formation of pure solid particles from a solution containing the dissolved subst ...
... • Distillation is a separation technique for homogeneous mixtures that is based on the differences in boiling points of substances. • Crystallization is a separation technique for homogenous mixtures that results in the formation of pure solid particles from a solution containing the dissolved subst ...