Is melting of ice is a reversible change?

Is melting of ice is a reversible change?

Melting is an example of a physical change . The melted ice cube may be refrozen, so melting is a reversible physical change. Physical changes that involve a change of state are all reversible. Other changes of state include vaporization (liquid to gas),freezing (liquid to solid), and condensation (gas to liquid).

What is a necessary cause?

Necessary Cause – the event(s) without which the consequence cannot occur. Sufficient Cause – any event which is always followed by the consequence.

Can I get a change of circumstances payment?

You’ll need to tell the Department for Work and Pensions (DWP) about changes to your work, money or family life. These are called ‘changes of circumstances’. If your payment will go up, you can ask for an advance payment if you need the extra money before your next payment date.

What is accidental change?

Accidental change (e.g., alteration of a substance): the subject is a substance. E.g., the man becomes a musician, Socrates becomes pale. Substantial change (generation and destruction of a substance): the subject is matter, the form is the form of a substance.

How would you describe the change that happened to the materials when cold?

Answer: Cooling a substance makes the molecules move slower. Explanation: This means that one of their properties can be changed by an external condition, such as temperature, light, pressure, electricity, voltage, pH, or chemical compounds.

What comes first cause or effect?

The cause always takes place before the effect: Something happens, which leads to a result. But the cause and effect don’t have to be presented in time order in the passage. The effect may be presented first, even though the cause occurred earlier.

What is different cause and effect explain it?

A cause is something that produces an event or condition; an effect is what results from an event or condition. The purpose of the cause-and-effect essay is to determine how various phenomena relate in terms of origins and results.

Is there a change in the appearance of the Ice Candy?

The melting of an ice candy is a reversible change because ice candy melts due to increased temperature (room temp.) Hence, it is a reversible physical change.

What is the difference between necessary and sufficient?

A necessary condition is a condition that must be present for an event to occur. A sufficient condition is a condition or set of conditions that will produce the event. A necessary condition must be there, but it alone does not provide sufficient cause for the occurrence of the event.

What is substantial change?

Substantial change (Lat. generatio simpliciter ) or absolute becoming (Lat. fieri absolute, fieri simpliciter ) is the passage in a subject from absolute nonbeing to being that is substance. This passage is necessarily produced in the indivisible instant in which a substance both comes to be and exists in itself.

Which mixture did not look the same throughout?

Heterogeneous Mixtures

Can there be more than one cause of an effect?

Multiple causes-single effect–Many different causes can be seen as leading to one effect: for example, high unemployment, high interest rates, and high real estate costs (causes) might lead to decreased real estate sales (effect). Single cause-multiple effects–A single cause can be seen as producing numerous effects.

Why did the water turn into ice?

As the liquid cools down, the amount of potential energy is reduced and the molecules start to move slower. When the water temperature reaches around 0°C, the molecules stick together and form a solid – ice. So water turning into ice is not as straight forward as just getting cold.

What are the most fundamental kinds of Being?

According to this ontology, the four basic categories of being are (1) enduring objects (or individual substances), (2) kinds (which are instantiated by enduring objects and which more or less correspond to Aristotle’s secondary substances), (3) attributes (which characterize enduring objects but cannot be said to be …

What is considered a change in circumstances?

Thus, the requesting party must show that a change is justified. Common “substantial changes in circumstances” may include: a loss or gain of employment, a sudden change in either party’s finances, a relocation of the parties or children, a death, a change in the child’s wishes, etc.

Is there a change in the appearance of the material?

Answer. Answer: Physical changes only change the appearance of a substance, not its chemical composition. Chemical changes cause a substance to change into an entirely substance with a new chemical formula.

What happened to the ice candy after 30 minutes?

Answer: The ice candy melted since the what keeps its solid was the cold temperature in the freezer, but when you put it out of the freezer, the temperature becomes warmer and the ice candy will turn back into liquid.