Mark Zuckerberg on Taking Risks and Finding Talented People

Answer the following questions about the solubility of calcium hydroxide, and they give us the solubility product. Write a balanced chemical equation for the dissolution of solid calcium hydroxide in pure water. So, we’re going to start off with calcium…

Millennials have been getting a bad rap for their spending habits for years now, and we’re here to bust some myths about it today. Now sure, we keep hearing that the avocado toast-loving, custom coffee-drinking generation are lagging behind when it comes …

[Applause] [Music] [Music] [Music] [Music] My name is Bruce Mertz, and the people around here call me Mr. Christmas. This is my 31st year of putting up the lights, and I’ve been living here since 1977. Every year, I start setting up at the end of August.…

So let’s add six over two x squared minus seven to negative three x minus eight over two x squared minus seven. And like always, pause the video and try to work it out before I do. Well, when you look at this, we have these two rational expressions and w…

For the reaction of iron II oxide plus carbon monoxide goes to solid iron and carbon dioxide, the equilibrium constant Kp is equal to 0.26 at 1000 Kelvin. Our goal is to find the equilibrium partial pressures of our two gases, carbon monoxide and carbon d…

Hi everyone, Sal here from Khan Academy. Welcome to our homeroom live stream. I’m very excited about the conversation we’re going to have with Linda Darling-Hammond. Before we jump into that, I’ll give my standard announcements first. A reminder that Kha…