The energy needed to boil the water comes from where?

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: How much heat is needed to boil 785 g of water that is at 17.6 ºC?

A: To find out the total heat required for boiling the 785g water at 17.6-degree centi.... following…

Q: Which of the following physical processes are exothermicfor water—freezing, boiling, condensing,…

A: Those chemical process which involves absorption of heat are named as endothermic process. However,…

Q: In which form of water are the water molecules farthest apart?

A: In gaseous form water molecules are farthest apart

Q: Whare are interatomic forces

A: Interatomic forces has to be defined.

Q: What are Crystalline solids?

A: On basis of state of matter, it is classified into solids, liquids, gases, and plasma. In a solid,…

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: What is the name of the phase change that occurs when ice left at roomtemperature changes to liquid…

A: Ice is the solid form of H2O. Water is the liquid form of H2O.

Q: How are the principles of melting points applicable to boiling points?

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Q: In the picture above, solid iodine is undergoing as it is heated and the iodine vapor is undergoing…

A: What is sublimation?A solid changing to a gas without passing through a liquid phase. Solidification…

Q: How much heat is required to change 10grams of ice at -10 degrees Celcius to Water at 20 degrees…

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Q: What is the general relationship between the vapor pressure of a liquid and its temperature?

A: Vapor pressure of a liquid is referred to as the pressure exerted by the molecules of a liquid that…

Q: How much heat energy was lost by the liquid ethanol? How much heat energy was gained by the solid…

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Q: Describe the change in energy when water

A: Here, In question it is given to describe the change in energy when water vapour turns into liquid.

Q: Which substances would have a higher surface tension?

A: Molecules within a liquid are pulled equally in all directions by intermolecular forces. However,…

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: Heat is added to boiling water. Explain why the temperature of the boiling water does not change.…

A: Matter exists in different states. Water can exist in solid ice, liquid water and water vapors.…

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: How much heat is needed to melt 3kg of ice?

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Q: Using the image below, what phase change would occur moving from region C to region A? Moving from…

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Q: What happens to the temperature while there is still ice in the water? Why?

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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: Why does water resist changes in temperature?

A: Properties of water: It is known that water is polar in nature because there is a partial positive…

Q: Phase changes are transitions between solid, liquid, and gas phases. For example, ice melting is an…

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Q: Examine the heating curve for water? Explain the significance of the slopes of each of the three…

A: The heating curve for water can be represented as follows

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: Examine the heating curve for water? Explain why the curve has two segments in which heat is added?

A: Water has hydrogens that are directly bonded to the oxygen atom. Water is capable of forming…

Q: Which one is the different properties of water?  A. transports, lubricates, cushions, and excretes…

A: All known compounds can be dissolve in certain solvents whereas they remain insoluble in other…

Q: When a liquid is freezing,  a. its temperature decreases constantly b. the kinetic energy of its…

A: Given,                      Four statement is given related to freezing of a liquid      Required,…

Q: This topic is about endothermic and exothermic process. Why do you think volatile substances, like…

A: In this question, we want to discuss about cooling effect of volatile substances like acetone and…

Q: What will happen to a substance if there are no intermolecular forces present between particles? A…

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Q: How much heat is needed to melt 10.0 grams of ice at -10°C until it is water at 10°C?

A: Given, mass of ice = 10.0 g Initial temperature (Ti) = -10°C Final temperature (Tf) = 10°C Amount of…

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: Calculate the energy to raise temperature of melted ice.

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: Is energy (or heat) absorbed or released when vaporizing 50.0 g of water?

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Q: What property of a substance allows it to be separated from other solids using sublimation?

A: Introduction-

Q: Snow forms in the clouds when water vapor freezes without ever passing through the liquid phase.…

A: Solid, Liquid and Gases are the three states of matter which can undergo the transition from one…

Q: Which statement below would be accurate about boiling water?

A: In boiling liquid state of water convert into gaseous state . In liquid state there is greater…

Q: 16. Steam at 100°C passing through a radiator condenses to water and releases heat. If 1500 kcal of…

A:

Q: what happens as a solid melts into the liquid state?

A: The process of solid becoming a liquid is called Melting. The temperature at which melting occurs is…

Q: Calculate the heat change in joules for melting 12.0 g of ice at 0 ∘C

A:

Q: Which phase change is correctly labelled? Subliming - exothermic O Vapourizing - exothermic O…

A: Exothermic process means energy is release while in endothermic we have to supple energy.

Q: what is the process of liquid into solid

A: Process of liquid into solid. These are states of matter. Matter may be liquid or solid or gas…

Q: The object transferring thermal energy will _________ energy and become cooler while the object…

A: 1. loose, absorb  2. coffee, spoon, spoon

Q: What's the heat change in Joules for vaporization of 9.00g of water at 100 degrees celcius

A: Heat of vaporization of water is 2256 J/g.Thus, when 1 mol of water is vaporised, 2256J/g heat is…

Q: heats of fusion and heats of vaporization?

A: Option A is correct.

Q: adhesive vs cohesive forces in a liquid and capillary

A: Forces that are present in same type of molecules i.e. attractive forces that act between same type…