Which is true of a substance with a lot of mass:

A. It has a large volume

B. It has a large density

C. It contains a lot of matter

D. It is always a metal

E. Other:

If a student analyzes data and finds that they got 0.480 moles of an unknown metal and 0.240 moles of oxygen, what is the mole ratio of metal to oxygen?

Could anyone explain to me how to write a balanced net equation? BaCl2 (aq) + H2SO4 (aq) - - >BaSO4 (s) + HCl (aq)

A droplet of pure mercury has a density of 13.6 g/cm3. What is the density of a sample of pure mercury that is 10 times as large as the droplet?

What elements make up molecules make up molecules of sugar

Which is a property of all acids?

What type of reaction takes place when atoms or molecules rearrange to form new substances?

If you pump air into cycle tyre a slight warming effect is noticed at valve stem why

Butter is melted in a pan. Which of the following is true about the change? A. It is a physical change that releases energy B. It is a chemical change that absorbs energy C. It is a physiscal change that absorbs energy D.

Describe how secondary consumer is dependent on the sun for its energy

What % of the ideal soil is air?