Orbitals vs shells vs subshells?

What three characteristics of matter does chemistry deal with

What is the empirical formula for a compound that is a 83.7% carbon and 16.3% hydrogen

An open flask is half filled with water at 25°C. Phase equilibrium can be reached after (1) more water is added to the flask (2) the flask is stoppered (3) the temperature is decreased to 15°C (4) the temperature is increased to 35°C

Select the set of quantum numbers that represents each electron in a ground‑state Be atom. n = 2,? = 0, m? = 0, m s = - 1 2 n = 1,? = 0, m? = 0, m s = + 1 2 n = 2,? = 0, m? = 0, m s = + 1 2 n = 2,? = 1, m? = 0, m s = - 1 2 n = 1,? = 0, m?

Difinition of homo sapiens

For the reaction a+2b→c under a given set of conditions, the initial rate is 0.180 m/s. part a what is δ[b]/δt under the same conditions?

What is the number of oxygen atoms in the ring portion of the haworth structure of glucose?

Explain what it means by a balanced chemical equation

Which of the following compounds is not ionic? a. nai b. cacl2 c. co2 d. na2o

Why does sugar mix more in hot water than in cold water?