How long does it take for the earth to complete 1 orbit around the sun?

Which mountain range formed as a result of plate motion around the Ring of Fire?

A sample of an unknown metal has a mass of 58.932g. it has been heated to 101.00 degrees C, then dropped quickly into 45.20 mL of pure water. the temperature of the water changed from 21 degrees C to 23.68 degrees C.

Explain why gasoline is a mixture

Which of the following best defines work? Choose one: A. The study of the relationship between chemical reactions and changes in energy B. The energy transferred between objects because of a difference in their temperature C.

Instant cold packs used to ice athletic injuries on the field contain ammonium nitrate and water separated by a thin plastic divider.

Which factor is responsible for the weak attraction between diatomic molecules of the halogens (group 7A) ? A) Hydrogen bonding B) Ionic bonding C) Dipole interactions D) London dispersion forces

Which is the correct equation for refractive index?

Alcl3) and lithium sulfate (li2so4) (note - this is a double replacement reaction. you need this information to predict the products of the reaction)

Which type of bond is present in hydrogen sulfide (H2S) ? The table of electronegativities is given.

What is the oxidation state of S in HSO4^2-?