If a scientist has an initial sample of 200 g of carbon-14, how much will remain after one half-life?

What is the strongest acid listed in table 3

Which of the following is necessary for collisions to be successful? A. enough kinetic energy and favorable geometry B. enough kinetic energy only C. sufficient potential energy only D. favorable geometry only

A quantity of gas has a volume of 0.20 m3 and an absolute temperature of 333 K. When the temperature of the gas is raised to 533 K, what is the new volume of the gas? (Assume there's no change in pressure).

In which cases do you expect deviations from the idealized bond angle? check all that apply. check all that apply. pf3 sbr2 cocl2 ch4?

Is berkelium flammable

In terms of electron configuration, why arsenic and antimony are chemically similar.

What does average speed mean

What are two types of chemical composition that characterize minerals?

Why is it important that the polymer membrane in a PEM fuel cell allows only protons to move through it? It forces the electrons to move through an external circuit, where they can do work.

Convert 1.65 * 1024 atoms of carbon to moles of carbon.