Tag Archives: DAT

How Many Pi Bonds

Dynemicin A (pictured), a potent anti-tumor antibiotic produced by Micromonosporachernisa, is a potential lead compound in anti-cancer research. How many pi (π) bonds does Dynemicin A possess?

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Gas Compression

A 1 mol sample of ammonia gas (NH3) at 1 atm and 273 K is compressed to 2 atm. What is the difference in volume before and after compression?

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Photo attributed to Rudolf_Schuba.

Extraembryonic Membrane

Which of the following is the correct pairing of the extraembryonic membrane and its function?

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Cylindrical Tank

A rectangular tank 82 cm long, 37 cm wide and 75 cm deep has the same volume as a cylindrical tank. If the radius of the cylindrical tank is 30 cm, what is its height (in cm) ? [let π = 3.14]

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The Major Product

What is the major product of the following reaction?

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Cyanide Ion

The cyanide ion has which of the following molecular geometries?

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Photo attributed to melburnian.

Human Embryo

A deuterostome embryo would exhibit which type of cleavage?

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Share the Dough

John, Jack and Jason share an amount in the ratio of 4:3:7, respectively. If Jason received $32 more than Jack, what is the total amount they shared?

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What Reagent

What reagent can be used to convert 2,2-dimethylbutan-1-ol into 2,2-dimethylbutanal?

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Molar Mass

If 45.1 grams of a solute is added to 302 grams of water to make a 0.65M solution, what is the molar mass of a solute?

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