Consider octane (C8H18), an active ingredient in gasoline. Octane is a liquid at room temperature because of

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

A:

Q: 11. It has been determined that the body can generate 5500 kJ of energy during one hour of strenuous…

A: Energy generated during one hour exercise = 5500kJ Heat of vaporization of water = 40.6kJ/mol Time…

Q: Identify the true statements about surface tension. Molecules along the surface of a liquid behave…

A: Surface tension is directly proportional intermolecular forces of attraction  Solution is given in…

Q: 16.7 degree Celsius and a boiling point of 118 degree Celsius. Predict the physical state of acetic…

A: Melting point of any substance  is the fix temperature  at which solid substance start to melt .for…

Q: What makes water a very unusual liquid?

A: Water is a universal solvent.

Q: Is there a relationship between the final mass of the marshmallow and an increase in temperature of…

A: The relationship between the mass of burnt marshmallow and the change in the temperature of the…

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

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Q: How is the mix melting point used to prove the identity of a compound? Mark all that apply. Melting…

A: Q.1 How is the mix melting point used to prove the identity of a compound? Mark all that apply.…

Q: Differentiate between Volatile and Non-Volatile?

A: A non-volatile substance refers to a substance that does not readily evaporate into a gas under…

Q: Water can absorb or release large amounts of heat with little change in actual temperature. Why?

A: The specific heat of a substance is the amount of heat needed to raise or lower 1g of the substance…

Q: If it requires 70.4 kJ of heat to boil 1.60 moles of water, what is its enthalpy of vaporization?

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: 22) Evaporation of sweat requires energy and thus take excess heat away from the body. Some of the…

A: Two questions based on chemical thermodynamics, which are to be accomplished.

Q: 2.The heat of sublimation for carbon dioxide is 32.3 kJ/mol. Calculate the mass of solid dry ice…

A: We will calculate mass of CO2

Q: The following information is given for ethanol at 1 atm: Boiling point = 78.40°C Heat of…

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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: determine the boiling point of water at 672mmHg

A: The boiling point of water at 672mmHg can be calculated using the below formula.

Q: What is latent heat of condensation?

A: Condensation: It is the transformation of water vapor into liquid. It's the opposite of evaporation,…

Q: which of the following when in its solid form is an example of a molecular solid? iron aluminum…

A: Given molecules are, iron   aluminum oxide   carbon dioxide   or   silicon dioxide

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: What applications does water potentially have based on its chemical and physical properties?

A: Properties of water:(i) Water is a transparent, colourless, odourless and tasteless liquid.(ii) It…

Q: According to one of the principles of combustion, solid and liquid fuels must be changed to a gas…

A: The combustion reactions are directly aplied on the liquid fuels because they are vapourized easily…

Q: Why do pennies turn "gold" upon heating? What happens on their surfaces?

A: Interpretation -  To tell about why do pennies turn "gold" upon heating and tell about what happen…

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

A: Answer:Any matter can exist in any of the 3 physical states mentioned below:

Q: 29. What is the definition of the specific heat of water?

A: Specific heat of water : the amount of heat required per unit mass of water to raise the…

Q: Calculate the amount of heat needed to raise the temperature of 55.0 g of liquid water from 25°C to…

A: The mass of liquid water is = 55.0 g The initial temperature of the liquid water is = 25°C The final…

Q: Heat and Phase changes Phase changes Term used for Increase or decrease? Exothermic or phase change…

A: Phase change is defined as when one state of matter changes to another form. The phase change occurs…

Q: observation The enthalpy of vaporization of Substance A is bigger than that of Substance B. At 1 atm…

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Q: The enthalpy for boiling water is 40.7 kJ/mol. What is the quantity of heat (in kJ) required to boil…

A: The question is based on the concept of chemical thermodynamics. we have to calculate how much heat…