dat general chemistry

An initial pH of 3.8 and an equivalence point at pH = 9.5 corresponds to a titration curve for a ? a. Strong acid to which strong base is added b. Strong base to which strong acid is added c. Weak acid to which strong acid is added d. Weak base to which strong acid is added e. Weak acid to...

In this high-yield DAT General Chemistry problem, Dr. Jim Romano explains how to determine the pH of a complex ion and how coordination chemistry concepts apply to acids and bases on the DAT. Students often underestimate this topic, but equilibrium and complex ion behavior are frequently...

Colligative properties are a classic high-yield topic on the DAT General Chemistry section. Understanding how particle number affects boiling point elevation, freezing point depression, and osmotic pressure is essential for solving many exam questions efficiently. In this video, Dr. Jim Romano...

What effect will adding additional O₂ (g) have on the following equilibrium system once equilibrium is reestablished? 2 CO₂ (g) ⇌ 2 CO (g) + O₂ (g)  ΔH° = −514 kJ a) The concentration of CO (g) will increase b) The concentration of CO₂ (g) will decrease c) The equilibrium constant for the...

DAT questions often test application, not memorization. Today’s General Chemistry Question of the Day focuses on a molecular geometry application involving a coordination compound. Rather than asking for definitions, this question requires reasoning by analogy to determine how molecular...

Chelsea Torres carries out an experiment to make aluminum chloride. 2Al + 3Cl₂ → 2AlCl₃ Approximately how many grams of halogen are required to completely consume 13.5 g of aluminum to form this compound? Correct answer: D (53.2 g) Slide 2 shows the full stoichiometry setup and unit...

High-yield DAT General Chemistry topic. In this video, Dr. Jim Romano explains heat of formation calculations step by step and shows how to correctly calculate reaction enthalpy using thermochemical data without falling into common DAT traps. This is a concept students often try to memorize...

Oxidation numbers are a high-yield General Chemistry topic on the DAT and a common source of avoidable mistakes. In this short video, Dr. Jim Romano explains how to assign oxidation numbers step by step and shows how the DAT tests this concept so students do not fall into common traps. This...

Hess’s Law and thermochemistry are high-yield topics on the DAT General Chemistry section and come up frequently on the exam. In this short video, Dr. Jim Romano walks through Hess’s Law step by step and shows how to handle enthalpy changes without getting tripped up by common test-day...

General chemistry pH calculations are a high-yield topic on the DAT and OAT, and many students lose points by overthinking the setup. In this short video, Dr. Jim Romano walks through a clear, exam-focused approach to pH calculations so you can recognize the correct method quickly and avoid...

Nuclear chemistry questions appear on the DAT and OAT General Chemistry sections, and many students lose points by misunderstanding radioactive decay, nuclear equations, and setup. In this short video, Dr. Jim Romano walks through nuclear chemistry step by step, showing how to approach these...

Percent yield shows up frequently on the DAT and OAT, and Dr. Romano breaks it down in a clear, high-yield way you can use on test day. If you’re prepping for the DAT or OAT, this is a must-know General Chemistry topic. 🎥 Watch the video: JOIN THE DAT DESTROYER COMMUNITY 👉 Facebook Study...