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Measurement in Chemistry

Authored by lvanna Varughese

Chemistry

University

Measurement in Chemistry
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17 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Liquid nitrogen boils at 77 K. What is this temperature in degree Celsius?

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

A square platinum has sides 2.50 cm long and a thickness of 0.25 mm. What is the volume of the platinum sheet in cm³?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

A standard wine bottle has a volume of 750 mL. What is the volume in liters?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

A circulated U.S quarter has a mass of 5.99 g. Express this mass in milligrams.

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5.

OPEN ENDED QUESTION

3 mins • 1 pt

Calculate the percent error for the boiling point of pure water measured to be 99.1°C, given that the accepted value is 100.0°C.

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6.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the product of a digit term and an exponential term in scientific notation?

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7.

OPEN ENDED QUESTION

3 mins • 1 pt

What are significant figures in a measured quantity?

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