oat prep

Molecular formula and empirical formula problems are important practice for DAT and OAT General Chemistry. This problem brings together gas density, molar mass, and molecular formula determination. Work through the problem first, then check Dr. Romano’s handwritten solution on the second slide...

Ideal gas law problems are important practice for DAT and OAT General Chemistry. This problem tests unit conversions, application of the ideal gas law, and converting from moles to the number of molecules. Work through the problem before checking Dr. Romano’s handwritten solution. DAT & OAT...

Ideal gas law problems are important practice for DAT and OAT General Chemistry. This problem tests unit conversions, application of the ideal gas law, and converting from moles to the number of molecules. Work through the problem before checking Dr. Romano’s handwritten solution. DAT & OAT...

Test your General Chemistry skills with today’s DAT and OAT practice question from Dr. Jim Romano. This problem reviews electron configurations, ion formation, and electron removal, important General Chemistry concepts for DAT and OAT preparation. Try the problem first, then check the second...

Test your General Chemistry skills with today’s DAT and OAT practice question from Dr. Jim Romano. This problem reviews electron configurations, ion formation, and electron removal, important General Chemistry concepts for DAT and OAT preparation. Try the problem first, then check the second...

Review aromatic chemistry for the DAT and OAT with Dr. Jim Romano. This short lesson reviews important Organic Chemistry concepts for DAT and OAT preparation. DAT & OAT Destroyer Study Materials: DAT Destroyer 2026: DAT Destroyer 2026 — Complete DAT Science Prep System | Dr. Jim Romano...

Review aromatic chemistry for the DAT and OAT with Dr. Jim Romano. This short lesson reviews important Organic Chemistry concepts for DAT and OAT preparation. DAT & OAT Destroyer Study Materials: DAT Destroyer 2026: DAT Destroyer 2026 — Complete DAT Science Prep System | Dr. Jim Romano...

Romano: Free DAT and OAT Preparation Resources DAT Destroyer 2026: DAT Destroyer 2026 OAT Destroyer 2026: OAT Destroyer 2026 Math Destroyer 2026: Math Destroyer 2026

Test your Quantitative Reasoning skills with today’s problem. Swipe to see the solution. Free DAT and OAT Preparation Resources from Dr. Jim Romano: https://orgoman.com/pages/start-your-dat-preparation-for-free-official-resources-from-dr-jim-romano DAT Destroyer 2026...

Test your Quantitative Reasoning skills with today’s problem. Swipe to see the solution. Free DAT and OAT Preparation Resources from Dr. Jim Romano: https://orgoman.com/pages/start-your-dat-preparation-for-free-official-resources-from-dr-jim-romano DAT Destroyer 2026...

Here’s a Biology practice question on ATP and energy for students preparing for the DAT and OAT. Before looking at the second image, see if you can identify why energy input is required to synthesize ATP from ADP and Pi. Then check Dr. Romano’s explanation. Free DAT Preparation Resources...

Here’s a Biology practice question on ATP and energy for students preparing for the DAT and OAT. Before looking at the second image, see if you can identify why energy input is required to synthesize ATP from ADP and Pi. Then check Dr. Romano’s explanation. Free DAT Preparation Resources...

Here’s a General Chemistry practice question for students preparing for the DAT and OAT. Try the problem first, then check the second image for Dr. Romano’s complete solution. Free DAT Preparation Resources from Dr. Jim Romano: Free DAT Preparation Resources DAT Destroyer 2026 – Includes...

Here’s a General Chemistry practice question for students preparing for the DAT and OAT. Try the problem first, then check the second image for Dr. Romano’s complete solution. Free DAT Preparation Resources from Dr. Jim Romano: Free DAT Preparation Resources DAT Destroyer 2026 – Includes...

Here is today’s General Chemistry practice question for students preparing for the DAT and OAT. Try the problem first, then check the second image for Dr. Romano’s solution.

Here is today’s General Chemistry practice question for students preparing for the DAT and OAT. Try the problem first, then check the second image for Dr. Romano’s solution.

Today's DAT and OAT Chemistry practice problem. Try it yourself before checking the answer on the second slide. The amount of ethanol does not matter when calculating the percentage of carbon by mass.

Today's DAT and OAT Chemistry practice problem. Try it yourself before checking the answer on the second slide. The amount of ethanol does not matter when calculating the percentage of carbon by mass.

Can you solve today’s math problem? Try it first, then check the second image for the solution. More free DAT & OAT study resources from Dr. Jim Romano: Free DAT & OAT Study Resources

Can you solve today’s math problem? Try it first, then check the second image for the solution. More free DAT & OAT study resources from Dr. Jim Romano: Free DAT & OAT Study Resources

Can you solve today’s coin-value problem from Prof. Denis Barengolts? Use the smallest prime number to determine how many dimes April has, then calculate the total value of all 14 coins. Study the first image, choose your answer, and then view the second image for the complete solution. Free...

Can you solve today’s coin-value problem from Prof. Denis Barengolts? Use the smallest prime number to determine how many dimes April has, then calculate the total value of all 14 coins. Study the first image, choose your answer, and then view the second image for the complete solution. Free...

Test your Organic Chemistry skills with today’s question from Dr. Jim Romano. Study the first image, choose your answer, and then view the second image for Dr. Romano’s complete solution. Free official DAT and OAT study resources from Dr. Jim Romano: Start Your DAT and OAT Preparation for...

Test your Organic Chemistry skills with today’s question from Dr. Jim Romano. Study the first image, choose your answer, and then view the second image for Dr. Romano’s complete solution. Free official DAT and OAT study resources from Dr. Jim Romano: Start Your DAT and OAT Preparation for...

Dr. Jim Romano explains important genetics concepts for the DAT and OAT Biology sections, including inheritance patterns and probability. Watch the video and follow along as Dr. Romano works through the genetics step by step: Free DAT and OAT preparation resources from Dr. Jim Romano: Start...

Dr. Jim Romano explains important genetics concepts for the DAT and OAT Biology sections, including inheritance patterns and probability. Watch the video and follow along as Dr. Romano works through the genetics step by step: Free DAT and OAT preparation resources from Dr. Jim Romano: Start...

Here is a Biology question for students preparing for the DAT and OAT. The greatest number of sexes will be demonstrated in which of the organisms shown? Choose your answer before checking the second slide for Dr. Romano's explanation. Free DAT and OAT study resources from Dr. Jim Romano...

Here is a Biology question for students preparing for the DAT and OAT. The greatest number of sexes will be demonstrated in which of the organisms shown? Choose your answer before checking the second slide for Dr. Romano's explanation. Free DAT and OAT study resources from Dr. Jim Romano...

Registration is now open for our Spring 2027 In-Person DAT and OAT Prep Class in Staten Island, NY. Dr. Jim Romano teaches 100% of every in-person class and has more than 35 years of experience preparing students for the DAT and OAT. Start Date: Sunday, January 17, 2027 End Date: Tuesday...

Registration is now open for our Spring 2027 In-Person DAT and OAT Prep Class in Staten Island, NY. Dr. Jim Romano teaches 100% of every in-person class and has more than 35 years of experience preparing students for the DAT and OAT. Start Date: Sunday, January 17, 2027 End Date: Tuesday...

A medical laboratory wants to increase its daily average number of patients screened. Can you determine how many patients must be screened on the seventh day? Choose your answer before checking the solution on the second slide. Free DAT and OAT preparation resources from Dr. Jim Romano...

A medical laboratory wants to increase its daily average number of patients screened. Can you determine how many patients must be screened on the seventh day? Choose your answer before checking the solution on the second slide. Free DAT and OAT preparation resources from Dr. Jim Romano...

Hemoglobin carries oxygen from the lungs to tissues throughout the body. How well do you know the quaternary structure of normal adult human hemoglobin? Choose your answer before checking Dr. Romano’s explanation on the second slide. Free DAT and OAT preparation resources from Dr. Jim Romano...

Hemoglobin carries oxygen from the lungs to tissues throughout the body. How well do you know the quaternary structure of normal adult human hemoglobin? Choose your answer before checking Dr. Romano’s explanation on the second slide. Free DAT and OAT preparation resources from Dr. Jim Romano...

A wood factory wants to increase its monthly production by 50%. Can you determine how many additional logs must be produced each workday? Choose your answer before checking the solution on the second slide. Free DAT and OAT preparation resources from Dr. Jim Romano: Start Your DAT and OAT...

A wood factory wants to increase its monthly production by 50%. Can you determine how many additional logs must be produced each workday? Choose your answer before checking the solution on the second slide. Free DAT and OAT preparation resources from Dr. Jim Romano: Start Your DAT and OAT...

I have worked with thousands of DAT and OAT students through the years, and one question I get asked over and over is: What study schedule should I follow? One of the biggest mistakes I see students make is trying to follow a study schedule created by someone else. No one else knows your...

I have worked with thousands of DAT and OAT students through the years, and one question I get asked over and over is: What study schedule should I follow? One of the biggest mistakes I see students make is trying to follow a study schedule created by someone else. No one else knows your...

A compound with the molecular formula C8H10 is oxidized to benzoic acid using hot acidic dichromate. Which compound must it be? Work through the molecular formula and oxidation chemistry before checking the second image for Dr. Romano’s explanation. Free DAT and OAT study resources from Dr...

A compound with the molecular formula C8H10 is oxidized to benzoic acid using hot acidic dichromate. Which compound must it be? Work through the molecular formula and oxidation chemistry before checking the second image for Dr. Romano’s explanation. Free DAT and OAT study resources from Dr...