Calculate the mass of 1.23*1024 helium atoms.

Nuclear fission differs from nuclear fission because nuclear fusion reactions

Which scientist won the nobel prize for discovering the electron? a. dalton b. democritus c. lavoisier d. thomson

The reaction, N2 (g) + 3H2 (g) à2NH3 (g), is the formation of ammonia. What occurs as the reaction proceeds? a precipitate is formed light and heat are given off a new odor is given off the solution bubbles

What are the adverse effect of chemistry

A sample of seawater with a volume of 0.25 L contains 8.75 g salt. What is the salt concentration in g/L?

You are on an alien planet where the names for substances and the units of measures are very unfamiliar. Nonetheless, you obtain 19 quibs of substance called skvarnick.

How do you know if an element is an ion?

Which gas is not a greenhouse gas, A methane, B Water Vapor, C, Carbon dioxide, D, Nitrogen, E, Ozone

A very small equilibrium constant means ... a. an equal amount of reactants and products c. more products b. more reactants d. system isn't at equilibrium

What is in a banana? give me specifics?!