a certain quantity of argon gas is under 16 mmhg pressure at 16c in a 12 L vessal. How many moles of argon Are present?

Describe one way to prove a mixture of sugar water is a solution but not a mixture of sand and water

What type of particles will a hot object have if it has more kinetic energy?

Do molecules contain cells because molecules are part of a living thing?

James Hutton: developed the concept of plate tectonics based his theories on the Neptunist view of crust formation developed the theories of erosion and deposition was the founder of the Plutonist theory of crust formation

If you build an atom using two protons two neutrons and two electrons you have built an atom of

Which is not a characteristic of a compound? It is a mixture of elements. It has properties that differ from its component elements. It has a fixed proportion of elements.

Can you think of other possible ways scientists can determine what climate was like in the past besides studying ice cores?

Which sub-layer thins out into space, where there is no air

Complete and balance the molecular equation, including phases, for the reaction of aqueous ammonium bromide, nh4br, and aqueous lead (ii) acetate, pb (c2h3o2) 2.

A magnesium atom has 2 valence electrons in its third shell. Which is a TRUE statement about what happens when it forms an ion? A. It will be an anion. B. It will have more electrons than protons. C.