how does the equilibrium exist between the phases of a substance?

Q: If 55.5 g of KBr are dissolved in 400.0 g of water at 25.0 °C in an insulated container, a…

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Q: 1. The enthalpy of vaporization of methanol is 37.4 kJ/mol at 25°C. Molar heat capacities for liquid…

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Q: What is the energy change when the temperature of 10.7 grams of solid chromium is decreased from…

A: Solution:- Given data => mass of solid Chromium = 10.7 g Initial temperature = 37.2 0C  Final…

Q: Which of the following will affect the amount of energy it takes to change the temperature of a…

A: Whenever a substance is heated its temperature is increased. The process of heating requires heat.

Q: The specific heat of aluminum is 0.214 cal/g·oC. Determine the energy, in calories, necessary to…

A: The specific heat of aluminium is = 0.214 cal/(g·oC) The mass of aluminium is = 55.5 g The increase…

Q: A change in a system occurs such that 76.2 J of heat flows in to the system and 66.5 J of work is…

A: Introduction: From the 1st law thermodynamics,  the change in internal energy, ∆U = q + w (q =…

Q: A 2.82 kg cast iron pan is heated to some temperature, T;, and subsequently quenched in 3.5 gallons…

A: Use the concept: Heat lost by cast iron is the heat gained by mineral oil. Heat = m.C. | Δ T |

Q: Of the following statements about state function which is(are) correct? I. The value of a state…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: When energy is exchanged between the system and the surroundings, it is exchanged as either .... or…

A: The study of exchange of energy between system and surroundings is called Thermochemistry. On the…

Q: Compare the enthalpy of a solid becoming part of a liquid solution and the enthalpy of gas becoming…

A: Enthalpies of different processes is to be compared.

Q: Aluminum metal melts at 658.5°C. What would be the final temperature if 28.0 grams of solid aluminum…

A: Given data is Aluminum metal melts at 658.5oC  Mass of solid alluminium= 28.0 grams Mass of liquid…

Q: How much heat must be absorbed by 375 grams of water to raise its temperature by 25° C? Specific…

A: Given, mass = 375 g  Specific heat, c = 4.184 J/g°C  Heat = ?

Q: 6. Suppose 1.0 x 102 grams of ice absorbs 1255 J of heat, reaching a final temperature of -2.0°C.…

A: Given: The mass of ice = 1.0×102 g The amount of heat absorbed by ice = 1255 J The final temperature…

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…