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Chemistry Concepts Quiz

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Questions and Answers

Which unit is equivalent to 10^-12 meters?

1 nm

1 pm (correct)

1 dm3

1 Å

What is the unit of pressure equal to 105 Nm-2?

1 bar (correct)

1 mm

1 torr

1 atm

What is the unit of energy equal to 4.184 J?

1 calorie (correct)

1 eV

1 Pa

1 erg

What is the mass of one atom or molecule of CH4 in grams?

<p>16 × 1.6 × 10^-24 g</p> Signup and view all the answers

What is the definition of a mole?

<p>One mole is a collection of that many entities as there are number of atoms exactly in 12 gm of C-12 isotope.</p> Signup and view all the answers

Chemistry Concepts Quiz

Choose a study mode

Podcast

Questions and Answers

Which unit is equivalent to 10^-12 meters?

What is the unit of pressure equal to 105 Nm-2?

What is the unit of energy equal to 4.184 J?

What is the mass of one atom or molecule of CH4 in grams?

What is the definition of a mole?

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