Write the following as a ratio in the simplest form: 15 winners out of 120 raffle entries.

Using the information in the table, what is the average atomic mass of sulfur? A) 31.972 amu B) 32.060 amu C) 33.71 amu D) 34.090 amu E) 35.967 amu

What mass of silver ag which has an atomic mass of 107.87 amu contains the same number of atoms contained in 10.0g of boron b which has an atomic mass of 10.81 amu?

Silver nitrate can be produced by dissolving metallic silver in concentrated nitric acid, with an addition product being hydrogen gas. Write the chemical formula for this reaction.

How do you think the crocodile might affected if it wandered near a strong magnet?

Indicate the coordination number for the central metal atom in each of the following coordination compounds: (a) [Pt (H2O) 2Br2] (b) [Pt (NH3) (py) (Cl) (Br) ] (py =

What are two fungal skin infections that humans can contract? pneumonia and ergot disease ergot disease and athlete's foot athlete's foot and ringworm ringworm and pneumonia

A critical biotic factor in Yellowstone National Park is A) geographic isolation B) high elevation C) high temperature in the summer D) population of wolves E) proximity to water

If energy can neither be created nor destroyed in a chemical reaction, what can happen to the energy

Effect of ph on conformation of aplha helix

How can we tell when something is polar or non-polar in an Inter-molecular Force?