0
What else can I help you with?
When sodium reacts violently with water is it physical or chemical property?
The reaction of sodium with water is a chemical property because it involves a chemical change where new substances are formed (sodium hydroxide and hydrogen gas) with different properties compared to the original substances (sodium and water). Physical properties, on the other hand, are characteristics of a substance that can be observed without changing its chemical composition.
Is mixing silver nitrate and sodium chloride a physical or chemical change?
Well, isn't that a happy little question! When you mix silver nitrate and sodium chloride, it actually creates a chemical change. The two substances react to form a new compound called silver chloride, which has different properties than the original substances. Just like painting a beautiful landscape, it's all about the magical transformations that happen when different elements come together.
Explain why are carbon and copper classified as elements?
An element is a substance that cannot be broken down any further by chemical reactions. While carbon and copper readily combine with other elements to form compounds, they cannot themselves be broken down any further by a chemical reaction. The definition of element (for chemistry) is thus: one of a class of substances that cannot be separated into simpler substances by chemical means What this means is if you take a substance, say .... sugar. You can put it through chemical processes that will reduce it down to its core components. For carbon from sugar, its simple: burn it. The hydrogen and oxygen will burn off as water vapor. Of course, even elements can be broken down, but not by chemical means. The use of a particle accelerator or nuclear fission is required, but I think we can all agree, that is by no means a "chemical" process. That's nuclear :)
Sodium chloride table salt is a simple compound whose chemical formula is?
NaCI
Are stairs a simple or compound machine?
Stairs are considered a simple machine. They are an inclined plane that helps to change the direction of force needed to move objects or people vertically.
A change in which substances change into new substances that is not reversible?
A chemical change. This involves the formation of new substances with different properties from the original substances. Unlike physical changes, chemical changes are typically not reversible by simple physical means.
Have iron and sulfur undergone change in properties after mixing?
No. Making mixtures are physical changes and the chemical substances will not change.
What do you call the chemical combination of simple substances?
I think a compound.
What is the process of breaking downfood into simple substances called?
chemical digestion
Why is mixing chemicals a chemical change?
The simple act of mixing chemicals can be a physical one if they do not react. For it to be a chemical change a reaction has to occur and it has to have a change in odor, color, temperature, or has the formation of gas or a precipitate to technically have changed chemically.
Why cooking food an irreversible change?
The definition of a chemical change is when one or more new substances have been made. Also chemical change cannot be reversed by simple physical means e.g. if the change was brought about by heating then cooling the product won't get you the original substances. So boiling water is not a chemical change (as you can re-condense the steam) whereas boiling an egg IS as the protein has been permanently changed (denatured).
Is mixing baking soda and vinegar a chemical or physical change?
Mixing flour and baking soda is a physical change; the process of mixing them together does not in itself cause them to change into any other chemical. However, when the pastry is baked, then there will be chemical changes.
A chemical combination of simple substances is called an?
A chemical combination of simple substances is called a compound. Compounds are formed when two or more elements chemically bond together in specific ratios. They can be simple, like water (H2O), or complex, like DNA.
What is it called when Making complex chemicals from simple substances?
The polymerization process is an example.
What cannot be changed into simple substances by chemical reaction or heat?
You think probable to atoms.
Do antibiotics have any chemical substances?
The definition of a chemical substance is a material with a specific chemical composition. So yes, antibiotics contain chemical substances. Although, antibiotics will employ some sort of living microorganism, instead of just one simple chemical substance.
What substances can blow up if you mix them together?
Thousands. It's a simple chemical reaction. Learn about the chemical chart (table) and then figure it out from there.
