The change of a gas to a liquid is called: w) vaporization x) sublimation y) condensation z) freezing

The change of a gas to a liquid is called: w) vaporization x) sublimation y) condensation z) freezing
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ANSWER: Y -- CONDENSATION
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The changing of solid directly to vapor without passing through liquid state is called  a. Evaporation  b. Vaporization  c. Sublimation  d. Condensation

Description : The changing of solid directly to vapor without passing through liquid state is called  a. Evaporation  b. Vaporization  c. Sublimation  d. Condensation

Last Answer : Sublimation

What is defined as the direct conversion of a substance from the solid to the vapor state or vice versa without passing the liquid state?  A. Condensation  B. Vaporization  C. Sublimation  D. Cryogenation

Description : What is defined as the direct conversion of a substance from the solid to the vapor state or vice versa without passing the liquid state?  A. Condensation  B. Vaporization  C. Sublimation  D. Cryogenation

Last Answer : Sublimation

The amount of heat required to change a boiling liquid to a gas at the same temperature depends on one of the following properties of the liquid. Does it depend on the liquid's: w) heat of fusion x) heat of vaporization y) temperature z) density

Description : The amount of heat required to change a boiling liquid to a gas at the same temperature depends on one of the following properties of the liquid. Does it depend on the liquid's: w) heat of fusion x) heat of vaporization y) temperature z) density

Last Answer : ANSWER: X -- HEAT OF VAPORIZATION

The heat absorbed by a unit mass of a material at its holding point in order to convert the material into a gas at the same temperature.  a. Latent Heat of Sublimation  b. Latent Heat of Vaporization  c. Latent Heat of Fusion  d. Latent Heat Of Condensation

Description : The heat absorbed by a unit mass of a material at its holding point in order to convert the material into a gas at the same temperature.  a. Latent Heat of Sublimation  b. Latent Heat of Vaporization  c. Latent Heat of Fusion  d. Latent Heat Of Condensation

Last Answer : Latent Heat of Vaporization

The process of a solid converting directly into a gas is called: w) fusion x) sublimation y) condensation z) distillation

Description : The process of a solid converting directly into a gas is called: w) fusion x) sublimation y) condensation z) distillation

Last Answer : ANSWER: X -- SUBLIMATION 

The bubbling off of carbon dioxide when a bottle of carbonated beverage is opened is a good example of: w) deliquescence x) effervescence y) condensation z) sublimation

Description : The bubbling off of carbon dioxide when a bottle of carbonated beverage is opened is a good example of: w) deliquescence x) effervescence y) condensation z) sublimation

Last Answer : ANSWER: EFFERVESCENCE

Hailstorms are caused due to – (1) condensation (2) convection (3) sublimation (4) freezing

Description : Hailstorms are caused due to – (1) condensation (2) convection (3) sublimation (4) freezing

Last Answer : (4) freezing Explanation: In a hailstorm, small ice particles that form above the freezing level (which occurs in all thunderstorms) collect either rain water or cloud water on them, forming a water ... updraft to carry them, or they get caught in a downdraft, and they finally reach the ground.

The phenomenon of melting under pressure and freezing again when the pressure is reduced is known as  a. sublimation  b. condensation  c. deposition  d. regelation

Description : The phenomenon of melting under pressure and freezing again when the pressure is reduced is known as  a. sublimation  b. condensation  c. deposition  d. regelation

Last Answer : regelation

Hailstorms are caused due to (1) condensation (2) convection (3) sublimation (4) freezing

Description : Hailstorms are caused due to (1) condensation (2) convection (3) sublimation (4) freezing

Last Answer : freezing

When a gas turns into a liquid the process is called: A. Condensation B. Evaporation C. Deposition D. Sublimation

Description : When a gas turns into a liquid the process is called: A. Condensation B. Evaporation C. Deposition D. Sublimation

Last Answer : ANSWER: A

When a gas turns into a liquid the process is called: A. Condensation B. Evaporation C. Deposition D. Sublimation

Description : When a gas turns into a liquid the process is called: A. Condensation B. Evaporation C. Deposition D. Sublimation

Last Answer : ANSWER: A

When a gas turns into a liquid the process is called: A. Condensation B. Evaporation C. Deposition D. Sublimation

Description : When a gas turns into a liquid the process is called: A. Condensation B. Evaporation C. Deposition D. Sublimation

Last Answer : ANSWER: A

When a gas turns into a liquid the process is called: A. Condensation B. Evaporation C. Deposition D. Sublimation

Description : When a gas turns into a liquid the process is called: A. Condensation B. Evaporation C. Deposition D. Sublimation

Last Answer : ANSWER: A

____ is when water goes from a solid to a gas without passing through the liquid phase. a. Transfusion c. Evaporation b. Sublimation d. Condensation

Description : ____ is when water goes from a solid to a gas without passing through the liquid phase. a. Transfusion c. Evaporation b. Sublimation d. Condensation

Last Answer : b. Sublimation

Under which of the following conditions does the behavior of a real gas resemble that of an ideal gas? Is it: w) under all conditions of temperature and pressure x) only at very high pressure y) only when the gas is near condensation z) only at low densities when the molecules are relatively far apart

Description : Under which of the following conditions does the behavior of a real gas resemble that of an ideal gas? Is it: w) under all conditions of temperature and pressure x) only at very high pressure ... when the gas is near condensation z) only at low densities when the molecules are relatively far apart  

Last Answer : ANSWER: Z -- ONLY AT LOW DENSITIES WHEN THE MOLECULES ARE RELATIVELY FAR APART

The process of breaking up or liquid into fine droplets by spraying is A. vaporization B. atomization C. condensation D. evaporation

Description : The process of breaking up or liquid into fine droplets by spraying is A. vaporization B. atomization C. condensation D. evaporation

Last Answer : ANSWER : B

The energy required to melt one mole of a solid at its melting point is called one of the following. w) the molar heat of fusion x) the molar hear of vaporization y) the molar heat of capacity z) the melting point

Description : The energy required to melt one mole of a solid at its melting point is called one of the following. w) the molar heat of fusion x) the molar hear of vaporization y) the molar heat of capacity z) the melting point

Last Answer : ANSWER: W -- THE MOLAR HEAT OF FUSION

A cobalt chloride solution soaked into a piece of cotton can be used as an indicator for changes in humidity levels. Pink indicates a high-humidity environment and blue a low-humidity environment. What are these color changes caused by: w) The ionization and reduction of the cobalt plus two slash cobalt plus three couple. x) The vaporization and redeposition of cobalt chloride. y) The loss and readsorption of the cobalt's waters of hydration. z) This is an illustration of the Schrodinger principle.

Description : A cobalt chloride solution soaked into a piece of cotton can be used as an indicator for changes in humidity levels. Pink indicates a high-humidity environment and blue a low-humidity environment. What ... the cobalt's waters of hydration. z) This is an illustration of the Schrodinger principle.  

Last Answer : ANSWER: Y -- THE LOSS AND READSORPTION OF THE COBALT'S WATERS OF HYDRATION.

Which of the following molecules would have the smallest molar enthalpy of vaporization? w) Water x) Formaldehyde y) Methane z) Ammonia

Description : Which of the following molecules would have the smallest molar enthalpy of vaporization? w) Water x) Formaldehyde y) Methane z) Ammonia

Last Answer : ANSWER: Y -- METHANE

The random motion of particles suspended in a fluid is called: w) Boson Condensation x) Fermi Motion y) Brownian Motion z) Pauli Motion

Description : The random motion of particles suspended in a fluid is called: w) Boson Condensation x) Fermi Motion y) Brownian Motion z) Pauli Motion

Last Answer : ANSWER: Y -- BROWNIAN MOTION

What refers to the amount of energy absorbed or released during a phase-change process?  A. Molar heat  B. Latent heat  C. Vaporization heat  D. Condensation heat

Description : What refers to the amount of energy absorbed or released during a phase-change process?  A. Molar heat  B. Latent heat  C. Vaporization heat  D. Condensation heat

Last Answer : Latent heat

Heat is transferred from the sun to the earth primarily by: w) conduction x) convection y) radiation z) condensation

Description : Heat is transferred from the sun to the earth primarily by: w) conduction x) convection y) radiation z) condensation 

Last Answer : ANSWER: Y -- RADIATION

Copper is refined commercially by a process of: w) smelting x) electrolysis y) sublimation z) roasting

Description : Copper is refined commercially by a process of: w) smelting x) electrolysis y) sublimation z) roasting

Last Answer : ANSWER: X -- ELECTROLYSIS

Which of the following vacuum pumps operates by using a very cold surface to trap the gases on the cold surface? Is it a: w) sublimation pump x) turbo pump y) cryopump z) diffusion pump.

Description : Which of the following vacuum pumps operates by using a very cold surface to trap the gases on the cold surface? Is it a: w) sublimation pump x) turbo pump y) cryopump z) diffusion pump.

Last Answer : ANSWER: Y -- CRYOPUMP

What is the temperature at which the water vapour in the mixture of water vapour in air, starts condensing called? A. condensation temperature B. dew point temperature C. vaporization temperature D. all of the above

Description : What is the temperature at which the water vapour in the mixture of water vapour in air, starts condensing called? A. condensation temperature B. dew point temperature C. vaporization temperature D. all of the above

Last Answer : ANSWER : B

When a solute is dissolved in a pure solvent, the resulting freezing point is: w) higher than pure solvent x) lower than pure solvent y) does not change z) cannot tell from this information

Description : When a solute is dissolved in a pure solvent, the resulting freezing point is: w) higher than pure solvent x) lower than pure solvent y) does not change z) cannot tell from this information

Last Answer : ANSWER: X -- LOWER THAN PURE SOLVENT

The formation of pockets of gas in a liquid is called: w) absorption x) cavitation y) adsorption z) dissolving

Description : The formation of pockets of gas in a liquid is called: w) absorption x) cavitation y) adsorption z) dissolving

Last Answer : ANSWER: X -- CAVITATION

Condensation is the reverse of – (1) Vaporization (2) Smog (3) Cirrus cloud (4) Fog

Description : Condensation is the reverse of – (1) Vaporization (2) Smog (3) Cirrus cloud (4) Fog

Last Answer : (1) Vaporization Explanation: Condensation is the change of physical state of matter from gaseous phase into liquid phase and is the reverse of vaporization. When the relative humidity reaches 100 per cent, the air is completely saturated. The air temperature is said to be as dew-point.

Condensation is the reverse of (1) Vaporization (2) Smog (3) Cirrus cloud (4) Fog

Description : Condensation is the reverse of (1) Vaporization (2) Smog (3) Cirrus cloud (4) Fog

Last Answer : Vaporization

In order to make a phase change from liquid to gas you must add energy equal to the what of vaporization?

Description : In order to make a phase change from liquid to gas you must add energy equal to the what of vaporization?

Last Answer : Need answer

Which of the following is NEVER used as a coolant in nuclear reactors: w) liquid nitrogen x) liquid sodium y) water z) helium gas

Description : Which of the following is NEVER used as a coolant in nuclear reactors: w) liquid nitrogen x) liquid sodium y) water z) helium gas

Last Answer : ANSWER: W -- LIQUID NITROGEN

The hydrolysis of a fat using a solution of a strong hydroxide is called: w) neutralization x) esterification y) saponification z) condensation

Description : The hydrolysis of a fat using a solution of a strong hydroxide is called: w) neutralization x) esterification y) saponification z) condensation

Last Answer : ANSWER: Y -- SAPONIFICATION

The degree of aridness of a geographic region is generally defined as the ratio of precipitation to: w) condensation x) evaporation y) transpiration z) snowpack depth

Description : The degree of aridness of a geographic region is generally defined as the ratio of precipitation to: w) condensation x) evaporation y) transpiration z) snowpack depth

Last Answer : ANSWER: X -- EVAPORATION

A crystallized substance containing water of crystallization is most appropriately termed: w) a hydrate x) an oxide y) a hydroxide z) a condensation crystal

Description : A crystallized substance containing water of crystallization is most appropriately termed: w) a hydrate x) an oxide y) a hydroxide z) a condensation crystal

Last Answer : ANSWER: W -- A HYDRATE

Safety aside, for which of the following reasons is alcohol used in preference to mercury in a minimum thermometer? w) Alcohol has a higher boiling point x) Alcohol has a lower freezing point y) Alcohol contracts more uniformly z) Alcohol can be dyed for visibility

Description : Safety aside, for which of the following reasons is alcohol used in preference to mercury in a minimum thermometer? w) Alcohol has a higher boiling point x) Alcohol has a lower freezing point y) Alcohol contracts more uniformly z) Alcohol can be dyed for visibility

Last Answer : ANSWER: X -- ALCOHOL HAS A LOWER FREEZING POINT

Which of the following properties is greater for a solution than for the pure solvent? w) freezing point x) vapor pressure y) temperature z) boiling point

Description : Which of the following properties is greater for a solution than for the pure solvent? w) freezing point x) vapor pressure y) temperature z) boiling point

Last Answer : ANSWER: D -- BOILING POINT

In Celsius, the freezing point of a one-molal water solution of sodium phosphate, chemical formula Na3PO4, is expected to be: w) - 0.93 degrees Celsius x) - 1.86 degrees Celsius y) - 7.44 degrees Celsius z) - 3.72 degrees Celsius

Description : In Celsius, the freezing point of a one-molal water solution of sodium phosphate, chemical formula Na3PO4, is expected to be: w) - 0.93 degrees Celsius x) - 1.86 degrees Celsius y) - 7.44 degrees Celsius z) - 3.72 degrees Celsius

Last Answer : ANSWER: C -- (- 7.44 DEGREES CELSIUS)

Define the following : Sublimation , Melting Point , Fusion , Evaporations , Boiling Point , Vapourization , Condensation , Deposition.

Description : Define the following : Sublimation , Melting Point , Fusion , Evaporations , Boiling Point , Vapourization , Condensation , Deposition.

Last Answer : Ans : Sublimation : Sublimation is the process in which some solids upon heating instead of changing into liquid state are converted directly into gaseous (vapour) state. Example : Ammonium Chloride ... happens from the gaseous phase into the solid phase directly, the change is called deposition.

Entropy change of the reaction, H2O (liquid) → H2O (gas), is termed as the enthalpy of (A) Solution (B) Vaporisation (C) Formation (D) Sublimation

Description : Entropy change of the reaction, H2O (liquid) → H2O (gas), is termed as the enthalpy of (A) Solution (B) Vaporisation (C) Formation (D) Sublimation

Last Answer : (B) Vaporisation

The specific terms used in phase transitions  a. melting  b. evaporation  c. freezing  d. sublimation

Description : The specific terms used in phase transitions  a. melting  b. evaporation  c. freezing  d. sublimation

Last Answer : evaporation

Change of state namely evaporation condensation, freezing and melting is an __________ process. (A) Isothermal (B) Adiabatic (C) Isobaric (D) Isochoric

Description : Change of state namely evaporation condensation, freezing and melting is an __________ process. (A) Isothermal (B) Adiabatic (C) Isobaric (D) Isochoric

Last Answer : (A) Isothermal

Reactors in commercial nuclear power plants in the U.S. are often referred to as thermal reactors. A thermal reactor uses: w) fissionable plutonium-239 as fuel. x) a relatively low heat output. y) neutrons moderated to relatively low energies. z) liquid sodium as a coolant.

Description : Reactors in commercial nuclear power plants in the U.S. are often referred to as thermal reactors. A thermal reactor uses: w) fissionable plutonium-239 as fuel. x) a relatively low heat output. y) neutrons moderated to relatively low energies. z) liquid sodium as a coolant.

Last Answer : ANSWER: Y -- NEUTRONS MODERATED TO RELATIVELY LOW ENERGIES.

Liquid "X" is at equilibrium with its vapor in a cylinder and piston apparatus. When the volume of the space above the liquid is 50 ml and the temperature 25!, the vapor pressure of "X" is 120 torr. What will the vapor pressure of "X" be when the volume above the liquid is 100 ml and the temperature 25!C? Some liquid is always present. w) 30 torr x) 60 torr y) 120 torr z) 240 torr

Description : Liquid "X" is at equilibrium with its vapor in a cylinder and piston apparatus. When the volume of the space above the liquid is 50 ml and the temperature 25!, the vapor pressure of "X" is 120 torr. What will the ... 25!C? Some liquid is always present. w) 30 torr x) 60 torr y) 120 torr z) 240 torr

Last Answer : ANSWER: Y -- 120 TORR

What is the only non-metal element that is a liquid at room temperature and one atmosphere? w) bromine x) argon y) silicon z) selenium

Description : What is the only non-metal element that is a liquid at room temperature and one atmosphere? w) bromine x) argon y) silicon z) selenium

Last Answer : ANSWER: W -- BROMINE

The term "laminar flow" is most often associated with the description of: w) conduction of sound by waves x) current flow in transistors y) effects of viscosity of liquids z) passage of light rays through a liquid

Description : The term "laminar flow" is most often associated with the description of: w) conduction of sound by waves x) current flow in transistors y) effects of viscosity of liquids z) passage of light rays through a liquid

Last Answer : ANSWER: Y -- EFFECTS OF VISCOSITY OF LIQUIDS

When a liquid moves through a pipe having a varying diameter, the pressure against the inside walls of the pipe will be: w) the same throughout x) lowest where the diameter is smallest y) lowest where the diameter is largest z) lowest where the velocity of flow is lowest

Description : When a liquid moves through a pipe having a varying diameter, the pressure against the inside walls of the pipe will be: w) the same throughout x) lowest where the diameter is smallest y) lowest where the diameter is largest z) lowest where the velocity of flow is lowest 

Last Answer : ANSWER: X -- LOWEST WHERE THE DIAMETER IS SMALLEST

To increase the solubility of a gas in a liquid as much as possible, we would use: w) low temperature and high pressure. x) high temperature and high pressure. y) high temperature and low pressure. z) low temperature and low pressure.

Description : To increase the solubility of a gas in a liquid as much as possible, we would use: w) low temperature and high pressure. x) high temperature and high pressure. y) high temperature and low pressure. z) low temperature and low pressure.

Last Answer : ANSWER: W -- LOW TEMPERATURE AND HIGH PRESSURE.

Which of the following best describes Chlorine? w) colorless liquid x) reddish-brown liquid y) colorless gas z) greenish-yellow gas

Description : Which of the following best describes Chlorine? w) colorless liquid x) reddish-brown liquid y) colorless gas z) greenish-yellow gas

Last Answer : ANSWER: D -- GREENISH-YELLOW GAS

Chlorine is used in swimming pools as a disinfecta In its natural, standard state it is a: w) blue liquid x) colorless crystals y) yellow-green gas z) reddish-brown gas

Description : Chlorine is used in swimming pools as a disinfecta In its natural, standard state it is a: w) blue liquid x) colorless crystals y) yellow-green gas z) reddish-brown gas

Last Answer : ANSWER: Y -- YELLOW-GREEN GAS

Solubility of a gas in a liquid exhibits what type proportionality to the liquid temperature? w) direct x) inverse y) logarithmic z) exponential

Description : Solubility of a gas in a liquid exhibits what type proportionality to the liquid temperature? w) direct x) inverse y) logarithmic z) exponential

Last Answer : ANSWER: X -- INVERSE