dat

Chemical equilibrium and ICE tables are important topics to understand for both DAT and OAT General Chemistry. In this video, Dr. Jim Romano reviews equilibrium and demonstrates how to approach the dreaded ICE table step by step. Watch the video: DAT & OAT Study Resources: DAT Destroyer and...

Here is a quick quantitative reasoning problem for DAT and OAT students practicing exponent patterns and ones digits. Recognizing a repeating ones-digit pattern can often let you solve this type of problem quickly without a calculator. Work through the problem first, then check the second slide...

Here is a quick quantitative reasoning problem for DAT and OAT students practicing exponent patterns and ones digits. Recognizing a repeating ones-digit pattern can often let you solve this type of problem quickly without a calculator. Work through the problem first, then check the second slide...

Here’s a DAT and OAT Quantitative Reasoning practice problem focusing on multiples and divisibility, two basic math skills students should be comfortable applying quickly on test day. Work through the problem first, then check the second slide for the solution. DAT & OAT Study Resources Free...

Here’s a DAT and OAT Quantitative Reasoning practice problem focusing on multiples and divisibility, two basic math skills students should be comfortable applying quickly on test day. Work through the problem first, then check the second slide for the solution. DAT & OAT Study Resources Free...

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 problem. This problem reviews stoichiometry, mole relationships, and percent efficiency, important concepts for DAT and OAT General Chemistry. Work through the problem carefully, then check Dr. Romano's handwritten solution...

Test your General Chemistry skills with today's DAT and OAT practice problem. This problem reviews stoichiometry, mole relationships, and percent efficiency, important concepts for DAT and OAT General Chemistry. Work through the problem carefully, then check Dr. Romano's handwritten solution...

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...

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 this DAT and OAT math problem? Study the expression carefully and choose your answer before checking the second image for the solution. Find more free DAT and OAT preparation resources from Dr. Jim Romano here: Start Your DAT and OAT Preparation for Free | Official Resources...

Can you solve this DAT and OAT math problem? Study the expression carefully and choose your answer before checking the second image for the solution. Find more free DAT and OAT preparation resources from Dr. Jim Romano here: Start Your DAT and OAT Preparation for Free | Official 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...

Buffers are an important General Chemistry topic for both the DAT and OAT. In this video, Dr. Jim Romano reviews the fundamental concepts of buffers, acids, and bases, including the relationship between a weak acid and its conjugate base. Watch the video here: For more free DAT and OAT...

Buffers are an important General Chemistry topic for both the DAT and OAT. In this video, Dr. Jim Romano reviews the fundamental concepts of buffers, acids, and bases, including the relationship between a weak acid and its conjugate base. Watch the video here: For more free DAT and OAT...

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...

Which molecules can easily pass through the cell membrane without a transporter? Consider polarity, molecular size, and lipid solubility before choosing your answer. Dr. Romano’s complete explanation is included on the second slide. Free DAT and OAT study resources: Start Your DAT and OAT...

Which molecules can easily pass through the cell membrane without a transporter? Consider polarity, molecular size, and lipid solubility before choosing your answer. Dr. Romano’s complete explanation is included on the second slide. Free DAT and OAT study resources: Start Your DAT and OAT...

🎉 LABOR DAY GIVEAWAY! We’re giving away one 2026 Destroyer book of your choice with free shipping to the U.S. or Canada! HOW TO ENTER: Visit our official Instagram giveaway post: Follow @orgomandatdestroyer Like the Instagram giveaway post Comment DAT or OAT and your planned test month on...

🎉 LABOR DAY GIVEAWAY! We’re giving away one 2026 Destroyer book of your choice with free shipping to the U.S. or Canada! HOW TO ENTER: Visit our official Instagram giveaway post: Follow @orgomandatdestroyer Like the Instagram giveaway post Comment DAT or OAT and your planned test month on...

Here is a DAT and OAT Math practice problem from the Math Destroyer. Can you determine what fraction of the peptide’s amino acids are basic? Choose your answer before checking Dr. Romano’s solution on the second slide. Free DAT and OAT preparation resources from Dr. Jim Romano: Start Your...

Here is a DAT and OAT Math practice problem from the Math Destroyer. Can you determine what fraction of the peptide’s amino acids are basic? Choose your answer before checking Dr. Romano’s solution on the second slide. Free DAT and OAT preparation resources from Dr. Jim Romano: Start Your...

Congratulations to one of our Summer DAT students on an outstanding DAT performance! Academic Average: 530 Survey of the Natural Sciences: 540 General Chemistry: 600 Organic Chemistry: 560 Quantitative Reasoning: 530 Reading Comprehension: 500 Perceptual Ability: 460 Biology: 450 The DAT was...

Congratulations to one of our Summer DAT students on an outstanding DAT performance! Academic Average: 530 Survey of the Natural Sciences: 540 General Chemistry: 600 Organic Chemistry: 560 Quantitative Reasoning: 530 Reading Comprehension: 500 Perceptual Ability: 460 Biology: 450 The DAT was...