What percent of land on the earths surface is inhospitable lands?

A. 75%

B. 12.5%

C. 25%

D. 3.13%

E. 9.38%

How many grams are in 15.3 moles of gold?

What is the mass of a metal block with a volume of 3.1cm3 and a density of 3.82 g/cm3

What is a diagram showing the forces acting on a coasting bike rider traveling at 25 km/h on a flat roadway

Omar wants to determine if the mass of a model rocket affects how long the rocket is able to stay up in the air. To do this, he constructs three identical rockets and then fills two of the rockets with varying amounts of sand to add mass.

Which nuclide has a half life that is less than one minute?

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?