How does the molar entropy of a substance change with increasing temperature

Which factor cause Earth to experience seasons? Check all that apply.

What is a mixture of 2 or more substances in which the particles cannot be seen?

How does a calorie compare to a joule

Find the half life of a substance that decays from 32g to 11.5 g in 64 days

Um átomo apresenta 13 prótons e 14 nêutrons. A carga do íon estável formado a partir desse átomo será: a) - 2 b) - 1 c) + 1 d) + 2 e) + 3 A resposta deu letra (e) não entendi?!

Which element has an ion that is smaller than an ion of calcium?

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.