1. Suppose a ruler is used to measure the length of an object as shown in the figure below.Laboratory Questions: Significant FigurescmRecord a reasonable measurement showing appropriate significant figures.2. Obtain a quantity of water. Using the thermometer from your lab drawer, record its temperatureto the correct number of significant figures.3. Circle which of the following mass measurements is more precise:42.5 gor 42.456 g.4. What is the uncertainty of a measurement written as 15.000?5. State the number of significant figures in each of the following values.a. 30.01d. 9.2500 x 10-3b. 7.00e. 8.05 x 106c. 0.002900f. 0.000000106. Perform each of the following computations using the measured quantities below. Write yourfinal answer with the correct number of significant figures in proper scientific notation (onenon-zero number to the left of the decimal point).4305 x (5.43 + 9.3) =Answer:4 73 trda.305 (50.40,9)=15402.195b. (6.183 x 104)(6.720 x 10-7) =Answer:_41.53x10c. log(4.00 x 10$) =Answer:5 6020s999x109-10d. ½ (2.88 x 10-5)² =Answer:11472x10(note: the ½ is part of a formula)4.01 x 105e.Answer:%3D(4.2136 + 7.1)(0.0630)0.0203f.Answer:6.187 x 10-7g.471.688 - 0.21 =Answer:

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. Sunnose a ruler is used to measure the length of an object as shown in the figure belenä 5. 7. 10 2 cm Record a reasonable measurement showing appropriate significant figures.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Matter and Measurement

In the universe, there is matter, energy, and void space. The universe contains energy and void space. The definition of matter can be considered as something which possesses mass and consumes space. Chemistry is that branch of science which deals with the study of matter. Under chemistry, nature, composition, and the changes occurring to matter are discussed.

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