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The melting of ice cubes is a exothermic reaction?
No, it is a physical change, not a chemical reaction.
Freezing is a change of state true or false?
Yes, freezing is change of state, from liquid to solid. Freezing is a physical change, not a chemical change.
What is the rate of change from 1 minute to 4 minutes?
The rate of change requires two variables. Usually some physical measure and time (or distance), and the rate of change is the difference in the physical variable per unit change in time (or distance). The question contains only one variable.
What does it mean when there is a little triangle in an equation?
The little triangle is the Greek letter delta, and it means change. This shows up in chemical equations in particular, used to indicate a change in energy as a product of a reaction.
Are rates of change always constant?
If I understand correctly your question, the answer is definitely no.Think about the typical physical representation of the concept of "rate of change": the velocity is the rate of change of position, right? And there's no difficulty in imagining a non-constant velocity, as when you accelerate or decelerate..
Is tarnishing chemical change or physical change?
It is a chemical change.
is tarnishing a chemical or a physical change?
It is a chemical change.
Is the word tarnishing a physical change or a chemical change?
chemical change
Is tarnishing a silver physical or chemical change?
Chemical Change.--its tarnish!
Is tarnishing silver physical change or chemical?
Chemical Change.--its tarnish!
Is tarnishing silver a physical or chemical change?
Chemical Change.--its tarnish!
Is silver tarnishing a physical property a physical change a chemical change or a chemical property?
a physical property
Is silver tarnishing a chemical or physical change?
no * * * * * A chemical process.
Is a brass candlestick tarnishing in the air physical change?
Chemical
What is an example of a physical change tarnishing rusting burning or melting?
Melting is an example of a physical change because it does not change the chemical composition of the substance undergoing the change. Tarnishing, rusting, and burning are examples of chemical change because they are caused by chemical reactions, which change the chemical composition of the substances undergoing the change.
Why is a silver platter tarnishing a physical property?
Silver platter tarnishing is a chemical change: a reaction with hydrogen sulfide.
Is a Silverware tarnishing a physical or Chemical change?
It's a chemical change. The silver reacts with sulfur compounds from the air.
