Identify the change of state occurring in each situation. your friend's perfume producing an aroma that fills the room making ice cream from milk in an ice cream maker formation of frost on a cold windshield overnight wax dripping from a candle naphthalene solid (found in moth balls) producing fumes in thecloset to deter moths your breath fogging up on your car windshield on a cold winter day Word Bank evaporation deposition freezing condensation melting sublimation

Q: Of C2H5OH and C3H5(OH)3 the one expected to have the higher vapor pressure is ________, and the one…

A:

Q: How much heat is emitted when 4.25  g  of water condenses at 25  ∘C ? The heat of vaporization of…

A:

Q: The boiling point of benzene is 80°C. Which pair of samples will have the same average kinetic…

A:

Q: Water melts at 0°C. A student observes a liquid that melts at 10°C. Which conclusion can the student…

A: Melting point is the temperature at which a solid melts.  It depends on - Composition of molecule…

Q: Examine the phase change and answer the questions that follow. C2H4(l) → C2H4(g)     ΔH =…

A: C2H4(l) → C2H4(g)     ΔH = 32.5kJ/mole

Q: There are three sets of sketches below, showing the same pure molecular compound (ammonia, molecular…

A: 2Matter generally exists in three states.These are solid, liquid and gas.The melting point is the…

Q: How much heat is emitted when 4.38 g of water condenses at 25∘C? The heat of vaporization of water…

A:

Q: Calculate the amount of energy given off when 13g of water at 51° C freezes to ice at 0°C. Did a…

A: At 51°C , water is in liquid phase, so first there would be cooling of water from 51°C to its…

Q: Two students plan and carry out an investigation to determine if ionic or covalent bonds have…

A:

Q: situation. Group of answer choices Sample #1 has stronger IMFs Sample #2 has stronger IMFs Sample…

A: Intermolecular forces ( IMFs) are the attractive forces that arise between the molecules of a…

Q: Which of these aqueous will have the highest boiling point? O 0.1 m CaCl2 0.1 m C5H12 O 0.1 m NaOH

A: If a non volatile solute is dissolved in the solvent, the boiling point elevation takes place. The…

Q: How much heat is required to evaporate 108.7 g of water at 100.0 °C?

A: The molar heat of vaporization, ∆Hvap also called the molar enthalpy of vaporization, tells us how…

Q: Balance each chemical equation. Ag2O(s)+C(s)→Ag(s)+CO(g) Express your answer as a chemical…

A:

Q: What is a phase change? Construct a heating-cooling curve for a substance that freezes at –23.0°C…

A: Answers are explained below.

Q: What will the final temperature (in be if you add 400 kJ of heat to 1.00 L of water at 20 °C? The…

A: When heat is given to water, the temperature of water will increase.this increase in temperature is…

Q: Rank the elements or compounds in the table below in decreasing order of their boiling points. That…

A: Need to focus on what kind of intermolecular attraction between the molecules present in the…

Q: How much energy is needed to change the temperature of 39 g of water from 10.0 °C to 95.0 °C?

A: Since water remains in liquid form from 10°C to 95°C . Heat required, Q = mcp(l) ∆T ,where m is the…

Q: Based on the thermodynamic properties provided for water, determine the amount of energy released…

A:

Q: Examine the phase change and answer the questions that follow. C2H4(l) → C2H4(g) ΔH =…

A: Heat is the energy transferred between system and substances due to a temperature difference between…

Q: condensation vaporization deposition sublimation

A: The substance, which changes gas into solid without going through liquid state was called as…

Q: Study the following phase diagram of Substance X. pressure (atm) مجانا A F B H temperature (K) C If…

A: A question based on phase equilibrium of one component system. A phase diagram of one component…

Q: This graph shows how the vapor pressure of three liquids varies with temperature: 900 800- 700->…

A: Given liquid compounds are isobutyl alcohol, octane, ethylbenzene. A graph is plotted vapour…

Q: Based on the data below, what mass of propane must be burned to supply the heat required to vaporize…

A: Enthalpy of vaporization (∆Hvap) :-  The enthalpy change involved when one mole of a liquid undergo…

Q: A student heats water to make spaghetti. The student observes that the water in the pot is converted…

A: (1) over the pot (2) on kitchen window

Q: the compound malic acid is used to increase the acidity of fruit flavoured products. it freezes at…

A: Given : Boiling point of malic acid = 423 K And melting point of malic acid = 401 K

Q: Select the best match for each characteristic from the given compounds. Has the lowest melting point…

A: 1- Lowest melting point for C3H6 because this compound have only weak London dispersion forces…

Q: Hi, please choose which of the two substances has the property lis

A: 1. Boiling point depends upon mass .           Boiling point  α  molecular mass     2. Soulbility…

Q: Ocean water freezes around -2°C. At what temperature would

A: Given freezing point = -2°C

Q: How do we know we are observing the beginning of the melting point range? First drop of liquid is…

A: Melting point means the temperature when a solid converts into liquid.

Q: Draw a graph that shows the changes of state of water as a function of time and temperature (°C).…

A: A question to sketch a graph between time and temperature for change in phase of water.

Q: Based on the thermodynamic properties provided for water, determine the amount of energy needed for…

A: When we heat the given solid water sample its temperature is increased and at 0oC it converts into…

Q: What is the name for the following phase change? CO2 (l) → CO2 (g) Group of answer choices…

A: From given  For the given gas phase the correct name is given and each of the term is explained in…

Q: What correctly describes a property of one of the states of matter? O Strong intermolecular forces…

A: What correctly describes a property of one of the states of matter?   A) Strong intermolecular…

Q: TEMPERATURE A\ WRA ction: Label the distinct parts of the heating and cooling curves of wat COOLING…

A:

Q: Which is not true regarding the specific heat of water? The specific heat of water explains…

A: Which statement is not true regarding the specific heat of water?

Q: Also.! I think I know this next one already. But i Just wanted to check what you thought? If you…

A: Density is defined as measure of mass per volume. The average density of an object is equal to its…

Q:

A: After coming in contact with Ice, water will loose energy by decreasing its temperature. Let Q1…

Q: A: 4.91 g of LiCl was dissolved in 50.0 mL of water in the same calorimeter as in problem 1.…

A:

Q: In our previous discussions, we discussed how phase changes (gas to liquid to solid, for example)…

A: The phase change on changing the temperature depends on the energy of atoms and interaction between…

Q: This graph shows how the vapor pressure of three liquids varies with temperature: 900- 800 700 600…

A: For 1: We know that, The liquid is most volatile if the vapor pressure of the gas is maximum and the…

Q: Compound Melting point (C) AH (kJ/mol) Boiling point (C) AH,ap (kJ/mol) HF -83.11 4.577 19.54 25.18…

A: Given that, for HCl the data table is Compound Melting point (K) ∆Hfus (kJ/mol) Boiling point (K)…

Q: Why does water frozen in an ice cube tray stay in the shape of a cube when it is it taken out of the…

A: Water is a liquid which attain the shape of any contained in which it is poured.