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Chemistry

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Eudora Brekke

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4y ago
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Cards in this guide (11)
Durning which part of the mitosis process does DNA replicate

The DNA replicates before mitoses begins

DNA replication occurs in the S phase of interphase (before mitosis)

What is a tree that starts with the letter N

I believe nutmeg is a tree
Norway Spruce. Norway Maple.

Is sawdust that is piling up under a table saw an example of physical change

Yes, Because it is still the same piece of wood just cut up, you could put back togethere again if you had to.

The strenghth of an acid is based on the concentration of what ions

The strength of an acid is based on the concentration of hydrogen ions. Any compound with hydrogen in front of it, such as hydrochloric acid (HCl) is acidic.

A chemical equation that shows the same number of each kind of atoms on both sides of the equation is what

It is a balanced equation.

Calcium does not form bonds easily because it has a full outer shell

False - calcium forms ionic bonds very easily because it has only 2 electrons in its outer shell

What is the element name for carbon dioxide

Carbon Dioxide is a compound and thus does not have an element name

What type of homogeneous mixture is antifreeze

Solution.

The sun burns hydrogenate an helium to make what

The sun fuses hydrogen to make helium. It will be several billion years before the sun fuses helium to make heavier elements.

When silver nitrate reacts with hydrochloruic acid what type of reaction take place

A double displacement reaction takes place forming Silver chloride and nitric acid:

AgNO3 + HCl ----> AgCl + HNO3

What is the transport of water across the cell membrane called

Movement of water across a membrane is called OSMOSIS.

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