Chemistry

All new and solved questions in Chemistry category

1 answer

What are the sides of the DNA ladder made of?

What are the sides of the DNA ladder made of?...
2 answers

How many grams are in 11.9 moles of chromium?

How many grams are in 11.9 moles of chromium?...
1 answer

What are three physical properties of aluminum foil

what are three physical properties of aluminum foil...
2 answers

A substance changes from a solid to a liquid at its boiling point. True or false

A substance changes from a solid to a liquid at its boiling point. True or false...
2 answers

Why is mitosis a form of asexual reproduction?

Why is mitosis a form of asexual reproduction?...
1 answer

Explain  fajan's rule

explain  fajan's rule...
2 answers

What kind of particles make up compound

What kind of particles make up compound...
2 answers

Why does land heat up more faster than water?

Why does land heat up more faster than water?...
1 answer

What are 3 physical properties of aluminum foil

What are 3 physical properties of aluminum foil...
2 answers

What is a good sentence for the word orbit?

What is a good sentence for the word orbit?...
2 answers

How many grams are in 2.4 moles of sulfur?

How many grams are in 2.4 moles of sulfur?...
2 answers

A water molecule gains enough energy to enter the gas phase is chemical or physical?why?

A water molecule gains enough energy to enter the gas phase is chemical or physical?why?...
1 answer

After a rock is rounded how does weathering affect it

After a rock is rounded how does weathering affect it...
2 answers

Why do the oceans play such a large part in the water cycle 

Why do the oceans play such a large part in the water cycle ...
1 answer

What is the initials for sodium chloride

What is the initials for sodium chloride...
2 answers

Explain why animals must eat food, but plants do not have to.

Explain why animals must eat food, but plants do not have to....
1 answer

Iron is a solid, grey metal. Oxygen is a colorless gas. When iron and oxygen chemically combine , rust is made. Rust has a reddish brown color. Why does rust differ from iron and oxygen?

Iron is a solid, grey metal. Oxygen is a colorless gas. When iron and oxygen chemically combine , rust is made. Rust has a reddish brown color. Why does rust differ from iron and oxygen?...
1 answer

How are chemical and physical changes alike?

How are chemical and physical changes alike?...
2 answers

After a fire, the ashes have less mass and take up less space than the trees and vegataion before the fire. how can this be explained in terms of the Law of Conservation of mass?

after a fire, the ashes have less mass and take up less space than the trees and vegataion before the fire. how can this be explained in terms of the Law of Conservation of mass?...
1 answer

If you were going to try to get the noble gas argon to combine with another element, would fluorine be a good choice?

if you were going to try to get the noble gas argon to combine with another element, would fluorine be a good choice?...

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