# What happens to the mass of water when it freezes to ice does it follow the law of conservation of mass?

## What happens to the mass of water when it freezes to ice does it follow the law of conservation of mass?

When water freezes to form ice, it takes up more room in the container, but does its mass change? Even though the volume of water changes as it becomes ice, the mass of the water should remain the same before and after it turns into ice.

## Does mass change during phase changes?

Instead the transferred heat is consumed as heat of fusion. This lets ice melt, which means that there is a phase change from solid to liquid, which means that a certain mass of the ice is transferred to the liquid water. The mass of the ice consequently decreases during the phase change.

## Does mass change as water freezes?

Freezing is a physical state change not a chemical reaction. No substances are added or taken away. The ice has the same number of water molecules as the water it started with. Hence the mass is unchanged.

## Does mass change from liquid to gas?

Cooling a gas will cause it to condense from a gas to a liquid and cooling it further will cause it to then freeze from a liquid to a solid. It does not matter if a substance melts, freezes, boils, evaporates, condenses or sublimates. The mass does not change. With changes of state, mass is conserved.

## Does the mass of a gas change?

Molar Mass of Gases and Gas Mixtures The molar volumes of all gases are the same when measured at the same temperature and pressure (22.4 L at STP), but the molar masses of different gases will almost always vary.

## What are two ways matter can change?

There are two types of change in matter: physical change and chemical change.

## What are three ways matter can change?

Now let’s explore these three basic ways that states of matter can be changed: freezing, melting, and boiling.

## Are changes in matter important?

Since, matter gets affected by energy. And, when increase in this energy takes place then atoms tend to collide frequently with each other. Hence, it causes change in state of a substance. Therefore, changes in matter are important for the conservation of energy.

Gas

## What are the assumptions of Boyle’s Law?

A modern statement of Boyle’s law is: The absolute pressure exerted by a given mass of an ideal gas is inversely proportional to the volume it occupies if the temperature and amount of gas remain unchanged within a closed system. Similarly, as volume decreases, the pressure of the gas increases.

## Why are gases highly compressible but not solid or liquid?

If we put pressure on a solid or a liquid, there is essentially no change in volume. The kinetic-molecular theory explains why gases are more compressible than either liquids or solids. Gases are compressible because most of the volume of a gas is composed of the large amounts of empty space between the gas particles.

## Why gases are compressive but not liquids?

Most of the volume of gas is composed of a large amount of empty space between the particles. Thus, gases get compressed easily as compared to solids and liquids when pressure is applied. Hence, gases are easily compressible but not liquids.

## Why can’t a liquid be compressed?

PARTICLES ARE CLOSE TOGETHER BUT CAN MOVE But they are free to move past each other. Because the particles can move, liquids don’t have a definite shape, and they can flow. Because the particles are still packed close together, liquids can’t easily be compressed and keep the same volume.

## Why gases are compressible but not liquid Class 9?

Answer: Gases are compressible because the intermolecular space is very large in gases, whereas liquids are not compressible because in liquids, the intermolecular space is less.

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