An unknown substance has a mass of 56.8 g and a volume of 23.4 ml. what is the density of this unknown substance?

How many grams of carbon are in 2 moles carbon

How are weathering and erosion different?

The benzene ring is the simplest member of what class of organic compounds?

When 21.6 g of carbon were burned in the presence of 73.7 g of oxygen, 16.1 g of oxygen remained unreacted. What mass of carbon dioxide was produced?

What does reaction b tell you about the type of molecule h2co3 is?

Should a bartender use ice and scoop directly from ice machine or use an ice holding device and scoop to make drinks and refill drinks from

What classification should this reaction have? 4Al + 3O2 → 2Al2O3

If you start with 100 grams of a radionuclide, how much will you have after two half-lives have passed?

Identify the spectator ions in the following complete ionic equation. 2k (aq) s2 - (aq) pb2 (aq) 2no-3 (aq) →pbs (s) 2k (aq) 2no-3 (aq) express your answers as ions separated by a comma.

4. A bird left its post and flew in a triangular path. It flew 21 yards south, 72 yards east and 75 yards diagonally to end back at the post. Is it a right triangle?