States of Matter
... Phase diagrams show conditions under which an element, compound or mixture will exist in a given state Variables are pressure (y) and temperature (x) Triple point: temperature and pressure where solid, liquid and gas can exist in equilibrium Critical temperature: temperature above which a substance ...
... Phase diagrams show conditions under which an element, compound or mixture will exist in a given state Variables are pressure (y) and temperature (x) Triple point: temperature and pressure where solid, liquid and gas can exist in equilibrium Critical temperature: temperature above which a substance ...
Review
... including: freezing pt. depression, boiling point elevation, vapor pressure lowering, osmotic pressure Use of the definition of the Chemical Potentials, at equil the chemical potentials of a species in all phases must be equal to each other Processes move from a higher chemical potential to a lower ...
... including: freezing pt. depression, boiling point elevation, vapor pressure lowering, osmotic pressure Use of the definition of the Chemical Potentials, at equil the chemical potentials of a species in all phases must be equal to each other Processes move from a higher chemical potential to a lower ...
Gas Chromatography
... Molecular weights, functional groups, and polarities of component molecules are factors in selecting liquid phase. ...
... Molecular weights, functional groups, and polarities of component molecules are factors in selecting liquid phase. ...
Molar Mass by Freezing Point Depression
... Textbooks rarely mention the fact that there are some limitations on the choice of solvent for freezing point depression measurements. The solute must have sufficient solubility in the solvent to lower the freezing point significantly. A few “quick-and-dirty” experiments with the unknown and a few d ...
... Textbooks rarely mention the fact that there are some limitations on the choice of solvent for freezing point depression measurements. The solute must have sufficient solubility in the solvent to lower the freezing point significantly. A few “quick-and-dirty” experiments with the unknown and a few d ...
Characteristics of Gases Pressure Gas Laws The Ideal
... Ex 10 A gas mixture at room temperature contains 4.3 mol of H2 and 8.2 mol of N2 . (a) Compute the mole fraction of N2 in the mixture. ...
... Ex 10 A gas mixture at room temperature contains 4.3 mol of H2 and 8.2 mol of N2 . (a) Compute the mole fraction of N2 in the mixture. ...
practice test2(Answers)
... A) The temperature of steam cannot exceed 100°C. B) The temperature of ice remains at 0°C as it melts. C) The temperature of liquid water increases linearly as it is heated D) The temperature of liquid water remains at 100°C as it boils E) Both liquid water and ice are present at 0°C. ...
... A) The temperature of steam cannot exceed 100°C. B) The temperature of ice remains at 0°C as it melts. C) The temperature of liquid water increases linearly as it is heated D) The temperature of liquid water remains at 100°C as it boils E) Both liquid water and ice are present at 0°C. ...
Liquid_Nitrogen_Session2
... good conductor for liquid nitrogen. So plastic is good for making heat (heating things up). Styrofoam is good for insulating liquid nitrogen. What this shows is that it keeps things at its temperature. An example how Styrofoam is used (for insulating) in a real life situation is when drinking hot li ...
... good conductor for liquid nitrogen. So plastic is good for making heat (heating things up). Styrofoam is good for insulating liquid nitrogen. What this shows is that it keeps things at its temperature. An example how Styrofoam is used (for insulating) in a real life situation is when drinking hot li ...
Separation Techniques Separation Techniques
... is based on differences in the boiling points of the substances involved. ...
... is based on differences in the boiling points of the substances involved. ...
Are You suprised ?
... B) The equilibrium will move to the left when we remove Cl2. C) Increasing the pressure has no effect on this system. D) Adding catalyst will cool the system. ...
... B) The equilibrium will move to the left when we remove Cl2. C) Increasing the pressure has no effect on this system. D) Adding catalyst will cool the system. ...
Kinetic Molecular Theory
... -Matter is made of molecules. -Molecules are always in motion. Kinetic Energy-the energy of motion Potential Energy- stored energy 4 states of matter -Solid-lowest kinetic energy, molecules vibrate, fixed shape -Liquid-more kinetic energy, molecules rotate and slip and slide, “fluid” -Gas-higher kin ...
... -Matter is made of molecules. -Molecules are always in motion. Kinetic Energy-the energy of motion Potential Energy- stored energy 4 states of matter -Solid-lowest kinetic energy, molecules vibrate, fixed shape -Liquid-more kinetic energy, molecules rotate and slip and slide, “fluid” -Gas-higher kin ...
P/atm
... of ideal gas.” What is the fallacy in this reasoning? 7. Prove that the equation PV/T = C1 for m constant and V/m = C2 for T and P constant lead to PV/mT = a constant. 8. A student decomposes KClO3 and collects 36.5 cm3 of O2 over water at 23oC. The laboratory varometer reads 751 torr. The vapor pre ...
... of ideal gas.” What is the fallacy in this reasoning? 7. Prove that the equation PV/T = C1 for m constant and V/m = C2 for T and P constant lead to PV/mT = a constant. 8. A student decomposes KClO3 and collects 36.5 cm3 of O2 over water at 23oC. The laboratory varometer reads 751 torr. The vapor pre ...
Classical Thermodynamics I: Sublimation of Solid Iodine
... resolution width of the kinds of spectrophotometers that may be used in this experiment, lowpressure I2(g) exhibits many very sharp lines separated by very low background absorption. The instrument effectively averages transmitted intensity I, not absorbance A, over the sharp peaks and background wi ...
... resolution width of the kinds of spectrophotometers that may be used in this experiment, lowpressure I2(g) exhibits many very sharp lines separated by very low background absorption. The instrument effectively averages transmitted intensity I, not absorbance A, over the sharp peaks and background wi ...
CHM2045 Final Exam Review, Spring 2017
... 14. Ammonia is created in the Haber process in a rigid container at constant temperature: 3 H2 (g) + N2 (g) 2 NH3 (g) 12 moles of H2 gas are mixed with 5 moles of N2 gas. The Initial pressure exerted on the container is 4 atm. Assuming the reaction proceeds to completion, what will be the pressure ...
... 14. Ammonia is created in the Haber process in a rigid container at constant temperature: 3 H2 (g) + N2 (g) 2 NH3 (g) 12 moles of H2 gas are mixed with 5 moles of N2 gas. The Initial pressure exerted on the container is 4 atm. Assuming the reaction proceeds to completion, what will be the pressure ...
topic 1 sol review homework
... a) decreasing temperature to 15oC b) increasing temperature to 35oC c) dissolving NaCl (produces Cl- ions) d) decreasing pressure 13. What is the maximum number of covalent bonds that carbon can form? a) 1 b) 2 c) 3 d) 4 14. Which kind of particle, when passed through an electric field, would be att ...
... a) decreasing temperature to 15oC b) increasing temperature to 35oC c) dissolving NaCl (produces Cl- ions) d) decreasing pressure 13. What is the maximum number of covalent bonds that carbon can form? a) 1 b) 2 c) 3 d) 4 14. Which kind of particle, when passed through an electric field, would be att ...
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... 3. Calculate the vapor pressure of a solution of 0.39 mol of cholesterol in 5.4 mol of toluene at 32ºC. Pure toluene has a vapor pressure of 41 torr at 32ºC. (Assume ideal behavior.) 4. The boiling point of ethanol (C2H5OH) is 78.5ºC. What is the boiling point of a solution of 6.4 g of vanillin (MW ...
... 3. Calculate the vapor pressure of a solution of 0.39 mol of cholesterol in 5.4 mol of toluene at 32ºC. Pure toluene has a vapor pressure of 41 torr at 32ºC. (Assume ideal behavior.) 4. The boiling point of ethanol (C2H5OH) is 78.5ºC. What is the boiling point of a solution of 6.4 g of vanillin (MW ...
Honors Chemistry Review Packet KEY
... 6. Liquids and gases both have an indefinite shape; while the shape of a solid is definite, the shape of a liquid is indefinite. 7. It is reversible because solid mercury can be melted back into a liquid again. 8. Platinum and copper can have the same mass and volume (extensive properties). They can ...
... 6. Liquids and gases both have an indefinite shape; while the shape of a solid is definite, the shape of a liquid is indefinite. 7. It is reversible because solid mercury can be melted back into a liquid again. 8. Platinum and copper can have the same mass and volume (extensive properties). They can ...
Thermodynamics
... We can determine G for any phase by measuring H and S for the reaction creating the phase from the elements We can then determine G at any T and P mathematically Most accurate if know how V and S vary with P and T • dV/dP is the coefficient of isothermal compressibility • dS/dT is the heat capacit ...
... We can determine G for any phase by measuring H and S for the reaction creating the phase from the elements We can then determine G at any T and P mathematically Most accurate if know how V and S vary with P and T • dV/dP is the coefficient of isothermal compressibility • dS/dT is the heat capacit ...