What are the subatomic particles by which atom made of?

Which statement describes an extensive property of matter? It changes with the color of a substance. It changes when a new substance is formed. It changes with the amount of sample that is present. It changes with the composition of a substance.

Sulfur dioxide gas reacts with oxygen gas for form sulfur trioxide gas. the equilibrium constant for the reaction at 6000c is 4.34. an equilibrium mixture is found to have [so3] = 0.391 m and [o2] = 0.125 m at 6000c.

Quick question. In which group of the periodic table do you find halogens? A. 2A B. 8A C. 1A D. 7A

Explain what happens to a fixed sample of gas when its temperature changes.

How many moles of oxygen will occupy a volume of 2.50 at 1.20 atm and 25.0 c?

Is water a solid, liquid, or gas at 245 kelvin

The chemical symbol for a calcium ion is ca2. what does the 2 symbolize

Draw the alcohol that is the product of the reduction of 3-methylpentanal

What was the first part of an atom to be discovered

What process is responsible for compressing successive strata in the earth A. deposition B. folding C. faulting D. erosion