Chemistry Questions
Explore questions in the Chemistry category that you can ask Spark.E!
What is an example of a complex gas molecule?
When the pressure increases because of a temperature increase it is _________.
Which elements on the periodic table exist as single atoms?
ALL covalent compounds will be ________ at sea STP
Why does tire pressure decrease in the winter, even though the tire stays the same and there are no leaks in the tire?
What would be the total mass of the products of a reaction in which 10 grams of methane reacts with 5 grams of oxygen to form water and carbon dioxide
Gases have a defnite volume and definite shape
The chemical symbol for Iron is Fe
Compounds can be seperated by physical means
liquids have a definite volume and an indefinite shape
If it takes up space and has mass, it is...
A heterogeneous mixture is not _____________ throughout
Products are found on the______________ side of the arrow in a chemical reaction.
A __________________ has a uniform composition throughout
_____________have definite volumes and definite shapes
______________ changes are changes in which the identity of the substance does not change
ELements and compounds are classified as....
A transfer of energy in a reaciton indicates a...
mutual attraction between two atoms of opposite charge
Which AA acts as a weak base at physiologic pH?