What is the amount of heat that a substance has at a given termmperature and pressure called?

Q: Which liquid has the highest heat of fusion and heat of vaporization?

A: Heat of fusion: it is change in heat of a system resulting from providing heat energy to a substance…

Q: If 1.10 g of steam at 100.0  C condenses into 38.5 g of water,initially at 27.0  C, in an insulated…

A: Mass of steam = 1.10 g Initial temperature of steam = 100o C Latent heat of vaporisation = 2260 J/g…

Q: A phase is a physical property of which describes the distance of molecules of matter. Phase also…

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Q: Explain what determines a substance’s state at a giventemperature.

A: The intermolecular forces between the particles determine the state of a substance.

Q: strongest intermolecular forces present between molecules in the foll ces:

A: According to the question, we need to determine the strongest intermolecular forces present between…

Q: What is the strongest attractive force present in the pure substances below?

A: Please see the attachment.

Q: Whare are interatomic forces

A: Interatomic forces has to be defined.

Q: A solid being heated stays at a constant temperatureuntil it is completely melted. What happens to…

A: During melting of solid, heat energy is converted into latent heat required only and temperature of…

Q: energy

A: Dear student I have given answer to your question in the image format .

Q: Which portion of this heating curve for water should have the least steep slope?

A: Heat capacity is defined as the amount of heat required to raise the temperature by 1 degree…

Q: How many kilojoules of heat energy are required to melt 200. g of ice at its freezing point?

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Q: Why are non-metals gaseous at room temperature?

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Q: If substance X has a higher specific heat value, how will the temperature of substance X compare to…

A: Given, The substance X has higher specific heat than…

Q: A phase is a physical property of which describes the distance of molecules of matter. Phase also…

A: Given : We have to tell which statement is true.

Q: Ethyl chloride is sold as a liquid (see photo) under pressurefor use as a local skin anesthetic.…

A: Given: Ethyl chloride is sold as a liquid (see photo) under pressure for use as a local skin…

Q: What is the amount of energy required to change one mole of a substance from the solid to gaseous…

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Q: Liquid water at 50°C is heated to steam at 150°C. Which piece of information is NOT required to…

A: Specific heat is defined as the heat required to increase the temperature of unit mass of substance…

Q: How many joules of heat energy are needed to completely change 29.0 g of water to steam at the…

A: The given data contains, mass of water = 29 g.

Q: one gram of gas to liquid

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Q: What is the term for amount of energy required to raise one gram of any substance one degree on the…

A: Specific heat capacity is the term for amount of energy required to raise the heat content of a  one…

Q: Explain how interatomic electric forces produce the normal force, and why it has the direction it…

A: The two charged particles are bought close to each other in which it is said to be either attractive…

Q: Decide which element probly has a boiling point most and least similar to the boiling point of…

A: Aluminum boiling point = 2470°c Argon boiling point = -- 185.8°c Indium boiling point = 2072°c

Q: How many calories are required to heat the substance below?   71.4 g of ice from -77.0oC to…

A: Mass = 71.4 g  Initial temperature (T1) = -77.0 °C   Final temperature (T2) = -5.00 °C  Heat…

Q: which substance has the highest specific heat?

A: The specific heat is the amount of heat required to raise the temperature of unit mass substance by…

Q: Determine the amount of energy necessary to raise 489 g of beryllium by 513 degrees Celsius. Report…

A: Given data,Mass of Beryllium=489gTemperature change (∆T)=513oCStandard data taken from…

Q: What is a liquid’s heat of vaporization?

A: Introduction- Liquid state has atoms not so closely packed and it has no shape of its own. It has…

Q: (a) What phase change is represented by the “heat of fusion”of a substance? (b) Is the heat of…

A: a) Since fusion is the process where solid is converted into the liquid  hence the phase change…

Q: How much energy in units of J, is required to heat 71.7g of solid acetone from -156.3°C to -96.6°C.…

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Q: A 218 g sample of steam at 121 degree celsius is cooled to ice at -14 degree celsiuc. Find the…

A: Interpretation -  To determine the change in heat content of the system when 218 g sample of steam…

Q: Based on the picture: a. Which object will be heated slower? Why? b. Which will release heat…

A: In the given picture, the given compound are water and soil. a) The object that will be heated…

Q: The required amount of heat of the liquid substance for its one mole to vaporize.

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Q: A sample of lead is heated and placed in a 151.0 g container of water at 22.0 oC.  The final…

A: The heat released by the sample of lead is equal to the heat required to raise the temperature of…

Q: If an object has a high specific heat, would it be more like a conductor or an insulator? Explain.…

A: To explain: The relationship between the specific heat of the material and its conductivity.

Q: a) How do you call the technique used to determine the heat gained or lost by a substance during a…

A: a) Given: The technique used to determine the heat gained or lost by a substance during a chemical…

Q: To calculate the amount of heat absorbed as a substance melts, which of the following information is…

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Q: How much heat energy must be removed from 1.2 g of lead (specific heat = 0.128 J/g ºC) to cool it…

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Q: Which state(s) of matter are compressible? Which state(s) of matter are not compressible? Explain.

A: There are three states of matter 1. Solid State 2. Liquid State 3. Gaseous State

Q: Separate the properties of liquid and solid based on how much kinetic energy they have and how…

A: To differentiate between properties of solid and liquid based on kinetic energy and intermolecular…

Q: What is the result of heating copper metal at high temperatures?

A: When copper metal is heated strongly at high temperature, it gets oxidised and converted into black…

Q: The conversion from solid to liquid is generally (endothermic, exothermic, varies) and is called .…

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Q: What will happen to the potential energy due to intermolecular forces between air molecules in your…

A: Given,  Potential energy increases or decreases or remains same as you dive down into the ocean = ?

Q: Calculate the heat of fusion of water from data

A: A calorimeter measures the heat changes in a reaction. Heat energy is required to change a solid to…

Q: How much heat is required to warm 2.07 kg of sand from 32.6 to 48.9 °C. The specific heat of sand is…

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Q: Melt water mass Hot water temperature change °C Melt water temperature change °C Heat lost by hot…

A: We need to calculate the enthalpy of fusion using the given experimental data.

Q: A 598g sample of water at boiling point 100  Celsius is boiled completely. How much energy was…

A: Given: Mass of the sample = 598g=0.598Kg Boiling point=100°C We know that Heat of vaporization of…

Q: 20. Which state of matter exhibits the highest degree of molecular motion?

A: Higher the entropy, higher will be the molecular motion.

Q: The temperature of a Bunsen burner flame is about

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Q: compare the amount of heat given off by 1.40 mol of liquid water when it cools from 100.0c to 30c to…

A: Heat capacity of liquid water - 4.184 J/(g oC) Heat capacity of steam - 2.03 J/(g oC) Amount of…