Unstop vs Kerotakis

Hiring & engagement platform with 31M+ students, 800+ brands & 20,000+ colleges. Unstop is your Playground of Opportunities to learn, practice, get mentored and find jobs & competitions to advance your career. With a vast network of early talent, recruiters, companies and colleges, Unstop is on a mission to create the largest community of employable talent in the world. Here’s how you can unlock your career with Unstop. Learn in-demand skills With 50+ courses across tech and non-tech domains, you can upgrade your skill set to crack competitions and hiring challenges. Practice Section Built on the standards of top companies, Unstop offers coding practice, projects and skill assessments for both tech and management fields. You can unlock perfection in your skill set by tracking your daily progress and scoring badges. Mentorship Experience goes a long way and at Unstop, we firmly believe in connecting talent to the best mentors so that they can find a direction in their career. With 2000+ mentors across 50+ domains, students can seek guidance to find jobs, crack internships & competitions, solve quizzes, sit for scholarships and much more. Interestingly, past winners from competitions held on Unstop often give back to the community by guiding talent in winning competitions. Competitions Unstop has a niche in hosting competitions from top brands which reward candidates with attractive prizes and hiring opportunities. These competitions span across industries like IT, consulting, marketing, security, BFSI, health, e-commerce and more, and could be in the form of hackathons, hiring challenges, treasure hunts, case competitions, quiz marathons and more. Jobs & Internships End your search to find jobs and internships from your dream companies. Find the right role for you with filters as per your education, experience, role, industry and more. And there’s more! At Unstop, we’ve come up with a new way of hiring that makes it fulfilling for both the candidate and the recruiter. HRs or recruiters looking for the right talent can post their job openings on the employee hiring platform and unlock: Unlimited job and internship postings AI-generated job listings Free assessment credits Plus, employers can reach out to Unstop to implement campus engagements through which they can attract, assess and hire Gen-Zs. Staying strong with its mission, Unstop is actively involved with Talent Placement Officers and college societies. This partnership helps placement officers upskill their students on Unstop while exposing them to hiring opportunities. Meanwhile, college societies and event organizers can use Unstop to host their events for Free, reaching 17M+ students in one go. This is the true essence of Unstop. Unstop. A digital playground, where talent meets opportunities.

Kerotakis is a virtual chemistry laboratory that computes real chemistry. Drag reagents onto drawn glassware and a real aqueous-equilibrium solver answers. Nothing in it is a lookup table: every number comes out of a thermodynamic database at run time, which means the bench can do something a textbook cannot — show you a model working, and then show you the same model failing. WHAT IT COMPUTES • Dissolution and precipitation against actual solubility limits. Eight moles of salt in a litre of water leaves about 1.9 undissolved, because that is what the equilibrium says. • Acids and bases from charge balance — strong, weak, polyprotic through every pKa, and buffers that resist acid where plain water crashes. • Titration curves walked with a burette, to the equivalence point and past it. • Gas boundaries you choose: vent to the room, seal the vessel, regulate the pressure, or sweep with nitrogen. Pressure, volume, energy and the mass balance all answer to the constraint. • Heats of reaction that move the thermometer, so calcium chloride is a hot pack and potassium chloride a cold one. • The activity series decided by Nernst over computed potentials — including the refusals, like copper shrugging off acid. • Separations: filter a precipitate off, evaporate a brine to crystals, distil a mixture. THREE LEVELS, ONE SIMULATION A register dial re-tells any result at the depth you want. Level one is what you would see: it went cloudy, a white solid settled. Level two adds the measurements. Level three shows every species, activity and coefficient behind the answer — the same numbers, never a different simulation. Every result carries where it came from, and the app says "unassessed" rather than implying safe when nobody has checked. OFFLINE, ALWAYS The solver, the thermodynamic databases and the whole lesson library are inside the app. It makes no network requests, has no account, and collects nothing whatsoever. It works with the network switched off. Built on IPhreeqc from the U.S. Geological Survey. Kerotakis is free software; the source is at github.com/CrispStrobe/kerotakis.