Paige heated 3.00 g mercury (ll) oxide (HgO 216.59 g/mol) to from mercury (Hg 200.59 g/mol) and oxygen (O2 32,00 g / mol). She collected 0.195 g oxygen. What was the percent yield of oxygen?

Explain why conduction in gases is slower than conduction in liquids and solids?

The largest reservoir of carbon in the carbon cycle is in sedimentary rock that may take hundreds of millions of years to return to the living portion of the cycle. What is the second largest reservoir of carbon?

What factors affect the intensity of light received from a source

Which is one way that topographic maps are different from other maps?

Largest electronegativity element

Why did Whittaker propose a five kingdom system

Why is melting an ice cube a reversible physical change?

What volume of 0.500 M zinc nitrate contains 2.94 g of zinc nitrate?

Which statement is true about the elements fluorine, chlorine, and oxygen? A. They are all halogens. B. They react easily with metals. C. They are similar to noble gases. D. They are all nonmetals.

What kind of element has the greatest tendency to attract electrons? why?