Answered: Round 0.00000002098 g to 2 significant…

Chemistry: Matter and Change

1st Edition

ISBN:9780078746376

Author:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Publisher:Dinah Zike, Laurel Dingrando, Nicholas Hainen, Cheryl Wistrom

Chapter10: The Mole

Section: Chapter Questions

Problem 205A

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Similar questions

Consider the following rulers as instruments for the measurement of length. What would the uncertainty be in measurements made using the following? a. Ruler 1 b. Ruler 4
When 2891 is written in scientific notation, the exponent indicating the power of 10 is .
a 494 cm3 to mL, b 1.91 L to mL, c 874 cm3 to L
The distance 10.5 cm could also be expressed as m.
For the pin shown below, why is the third digit determined for the length of the pin uncertain? Considering that the third digit is uncertain, explain why the length of the pin is indicated as 2.85 cm rather than, for example, 2.83 or 2.87 cm.
A rectangular block has dimensions 2.9 cm 3.5 cm 10.0 cm. The mass of the block is 615.0 g. What are the volume and density of the block?
You are asked to determine the perimeter of the cover of your textbook. You measure the length as 34.29 cm and the width as 26.72 cm. How many significant figures should you report for the perimeter?
Without actually performing the calculations indicated, tell to how many significant digits the answer to the calculation should be expressed. (9.7871)(2)(0.00182)(43.21) (67.41+0.32+1.98)/(18.225) (2.001103)(4.7106)(68.224102) (72.15)(63.9)[1.98+4.8981]
For the pin shown in Fig. 2.5, why is the third figure determined for the length of the pin uncertain? Considering that the third figure is uncertain, explain why the length of the pin is indicated as 2.85 cm rather than, for example, 2.83 or 2.87 cm.
Which weighs more, 4.25 g of gold or 425 mg of gold?

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Round 0.00000002098 g to 2 significant figures