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How can a substance be frozen at room temperature?

A substance can be frozen at room temperature if its freezing point is below the temperature of the room. This can happen with certain substances like liquid nitrogen or dry ice, which have very low freezing points and can transition from a liquid to a solid state at room temperature.


What is Changing from a frozen solid to a liquid?

When a substance changes from a frozen solid to a liquid, it undergoes the process of melting. This occurs when the temperature of the solid rises above its melting point, causing the solid structure to break down and transform into a liquid state.


Can temperature change the neutralization of a solute?

If it's frozen solid it will be hard to neutralize.


Why the temperature does not rise during the process of melting and boiling though the heat energy is constantly supplied?

During the process of melting and boiling, the heat energy supplied is being used to break the intermolecular forces holding the substance together. This energy is known as latent heat and does not result in a temperature increase because it is being used to change the state of the substance rather than raise its temperature. Once all the substance has melted or boiled, any additional heat energy supplied will then raise the temperature.


How is energy transferred during freezing?

During freezing, energy is transferred from the substance being frozen to its surroundings. As the substance loses heat energy, its temperature decreases until it reaches the freezing point, at which point it transitions from a liquid to a solid state. This transfer of energy continues until the substance is completely frozen.


What is a melting point A freezing point?

melting point is the temperature it has to be to melt. Freezing point is the temperature it freezesThe melting point is the temperature above whichsomething will melt or be in a liquid state.The freezing point is the temperature below whichsomething will be in a frozen or solid state.The actual melting point, which is also the freezing point, is the temperature at which matter can exist as either a solid or a liquid at the same time and can change from one to another until its temperature goes up or goes down.


What happens to liguid when you freeze it?

When a liquid is frozen, its molecules slow down and move closer together as the temperature drops. This process causes the liquid to transition into a solid state, forming a crystalline structure in most cases. As a result, the volume of the substance may change, typically expanding, which is why ice floats on water. Additionally, the properties of the substance change, affecting its density and behavior.


Is frozen water a physical property?

Yes it is a Physical Change because although it is frozen, it is still water. A chemical change produces a new substance like an iron skillet that rusts. But a physical change means you start out with a substance or even two substances like water and sugar, and even though it is put together it remains water and sugar. Hope this helps!!


What substance expands when frozen?

water


How is the Hfusion used to calculate volume of liquid frozen the produces 1kj of energy?

The heat fusion (Hf) of a substance is the amount of energy required to change it from a solid to a liquid at its melting point without changing its temperature. To calculate the volume of liquid frozen that produces 1 kJ of energy, you would use the formula: ( Q = m \cdot H_f ), where ( Q ) is the energy in joules, ( m ) is the mass of the substance, and ( H_f ) is the heat of fusion. By rearranging the formula to find ( m ) and then converting mass to volume using the substance's density, you can determine the volume of liquid frozen that results in 1 kJ of energy release.


Is hot water denser than frozen water?

Yes, water is unique in that it is the only substance that expands when frozen. Therefore ice will be less dense in terms of water molecules than room temperature water or heated water


Can ammonia become frozen?

Yes, ammonia freezes at freezes at −77.7 °C.