What is a similarity between an atom and a cell?

A compound consisting of b, n, and h undergoes elemental analysis. the % composition by mass is found to be 40.28% b, 52.20% n, and 7.53% h. what is the empirical formula for this molecule? enter in the empirical formula in the form bxnyhz.

What is the symbol for deciliter?

A mineral must be inorganic? True Or False ...

Suppose that a catalyst lowers the activation barrier of a reaction from 125 kj/mol to 57 kj/mol. by what factor would you expect the reaction rate to increase at 25 âc?

Student A pushed on the cart with a force of 500 N. Student B pushed on the other side of the cart. The cart did not move. How much force did student B apply? Explain how you know.

What happens when a given mass of a liquid starts to expand?

What is the name of the compound K3N? A. Tricalcium nitride B. Calcium nitrate C. Potassium nitride D. Potassium nitrate

Name the following ionic compounds involving ionic bonds

A student dissolves equal amounts of salt in equal amounts of warm water, room-temperature water, and ice water. Which result is most likely?

Mid - ocean ridges normally form where tectonic plates are A. converging B. diverging. C. Stationary. D. sliding past each other