An investigation that is controlled

How many valence electrons do nitrogen atoms have

Calculate the equilibrium constant expressed as log_10⁡K for CO_2⇌CO+1/2 O_2 at (a) 500K (b) 2000K and compare to the values in the thermodynamics books.

The density of gold is 19.3 g/cm the density of iron pyrite is 5.0 g/cm. if a nugget of iron pyrite and a nugget of gold each have a mass of 50 g, what can you conclude about the volume of each nugget

Which element is most likely to be shiny? sulfur (S) boron (B) calcium (Ca) carbon (C) ?

What is the answer to it

Which of these is an example of a solution A Sand stirred in water B Sugar stirred in tea C A glass of water with ice in it D Oil and vinegar in a salad dressing jar

What are properties of colloid

An unknown gas has a pressure of. 0240 atm. what is the pressure in torr?

Explain why a wooden spoon is a better choice than a metal spoon for stirring a boiling pot of soup

Is MgCO3 a correct chemical formula