Chemistry

All new and solved questions in Chemistry category

2 answers

What is a direct combination reaction?

What is a direct combination reaction?...
1 answer

How can you demonstrate that a piece of chalk has mass?

How can you demonstrate that a piece of chalk has mass?...
2 answers

Predict what happens when zinc is added to water

Predict what happens when zinc is added to water...
2 answers

Why is it correct to say seawater is a mixture.

Why is it correct to say seawater is a mixture....
2 answers

What is the maximum mass of methane (CH4) that can be burned if only 1.0 g of oxygen is available and how do you figure it out?

What is the maximum mass of methane (CH4) that can be burned if only 1.0 g of oxygen is available and how do you figure it out?...
1 answer

Name two ways the archaea differ from bacteria

Name two ways the archaea differ from bacteria...
2 answers

Which group of elements is the most unreactive? Why?

Which group of elements is the most unreactive? Why?...
2 answers

List 4 clues that a chemical reaction is occurring

List 4 clues that a chemical reaction is occurring...
2 answers

What is the 54th element on the periodic table?

What is the 54th element on the periodic table?...
1 answer

How many occupied orbitals does a fluorine atom contain in the ground state?

how many occupied orbitals does a fluorine atom contain in the ground state?...
2 answers

What are the three particles of an atom

what are the three particles of an atom...
2 answers

Why is a piece of apple rotting a chemical change

why is a piece of apple rotting a chemical change...
2 answers

Name five kinds of landforms caused by plate movement, help!!

name five kinds of landforms caused by plate movement, help!!...
2 answers

What kind of simple machine is a shovel

What kind of simple machine is a shovel...
1 answer

Explain why ionic compounds are formed when a metal bonds with a nonmetal but covalent compounds are formed when two nonmetals bond.

Explain why ionic compounds are formed when a metal bonds with a nonmetal but covalent compounds are formed when two nonmetals bond....
1 answer

Water in a pan over a radiator evaporates much faster than a water pan in a table ???? i need help ppl

water in a pan over a radiator evaporates much faster than a water pan in a table ???? i need help ppl...
2 answers

How is 0.00025 written in scientific notation

How is 0.00025 written in scientific notation...
1 answer

If water and ethanol both have all 3 intermolecular bonds, why does ethanol evaporate so much quicker?

If water and ethanol both have all 3 intermolecular bonds, why does ethanol evaporate so much quicker?...
2 answers

Is Ba(NO3)2 covalent or ionic

Is Ba(NO3)2 covalent or ionic...
1 answer

What are some advantages of using less farm machinery in planting?

What are some advantages of using less farm machinery in planting?...

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