X Montana Tech Montana's Prem X M Montana Tech https://www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-lg -> O MEASUREMENT AND MATTER Counting significant digits when measurements are multiplied o... Multiply or divide the following measurements. Be sure each answer you e 2.09476 X 0.40 mL m 127.7 m + 0.58 s S. 227.52 g 0.51 mL = | Explanation Check

X Montana Tech Montana's Prem X M Montana Tech https://www-awu.aleks.com/alekscgi/x/Isl.exe/1o_u-lg -> O MEASUREMENT AND MATTER Counting significant digits when measurements are multiplied o... Multiply or divide the following measurements. Be sure each answer you e 2.09476 X 0.40 mL m 127.7 m + 0.58 s S. 227.52 g 0.51 mL = | Explanation Check

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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Workshop N° 1 1. Based on the mass presented for 15 units of each object, determine the mass of one unit. Table 1 shows the masses of the different objects.a). Calculate the relative mass of the objects by dividing by the smallest mass obtained for the different objects. This object will be considered as a standard or reference object.b). Determine the number of units in the relative mass obtained for each object, using the data in Table 1, by dividing the relative mass by the mass of one unit. Record all results in Table N°1. Name of particles Weighed mass of the chosen number of units (15) Estimated mass of a particle Relative Mass(mass of the units divided by the smallest) Number of Units in Relative Mass(Number of particles in relative mass) KEYS 3.75 TACHUELS 0.15 GRAPES 0.75 SCREWS 4.05 NUTS 3.30
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10) Solve each problem and report your answer to correct significant figure and units. Remember that units multiply, divide, add, subtract and simplify just like variables. ml 65.0 kg + 0.05 kg + 179.1 kg = 17 g x 1.08 175 cm - 22.5 cm = 9.20 g/ (1.72 cm³ + 21 cm³) = ot avlo2a 3.23 x 10=23 ma (23.0 lb/gal)(2 ft) = (2.1 x 10-10 cm)3 to 1edmun sdi enimale0 (2.23 x 103 g)(9.0 × 10-3 g) (3.1 x 104 nm²)1/2 = Jmy to. 10.1 x 10-7 s2
answer in proper number of significant figures. 1. Convert 6.4 decades to seconds. 10 years)x(30 (24 hours 60 minuies 60 seconds I minatte 6.4 decades x 305 dags I decade I year I dag 1 hour 2. Convert 71.0 Pa to dyne/cm?. 3. It was found out that 2.0 kg of sucrose can dissolve per liter of water at 25°C. How many tablespoons of water is needed to dissolve 54 g of sucrose?
A sample of gaseous neon atoms at atmospheric pressure and 0 degrees C contains 2.69*10^22 atoms per liter. The atomic radius of neon is 69 pm. What fraction of the space is occupied by the atoms themselves? Express with 2 significant figures.
Q3. Why does the percent-error equation use the absolute value of the error?
口 A www-awu.aleks.com S Zoom A ALEKS - Evelin Vazquez - Learn A Start Page * Start Page O MEASUREMENT AND MATTER Calculating mass density liquid density methyl acetate 0.93 mL g 0.63 mL pentane 0.79 mL acetone g 0.89 mL tetrahydrofuran g 1.6 mL carbon tetrachloride Next, the chemist measures the volume of the unknown liquid as 1925. cm° and the mass of the unknown liquid as 1.80 kg. Calculate the density of the liquid. Round your n, / mL answer to 3 significant digits. O yes Given the data above, is it possible to identify the liquid? O no O methyl acetate pentane acetone If it is possible to identify the liquid, do so. tetrahydrofuran O carbon tetrachloride Explanation Check O 2021 McGraw Hill LLC. All Rights Reserved. Terms of Use 1,789 SEP stv 29
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1. (2×103g +7.613g)/(0.069cm3 - 0.033cm3) Carryout that operation as if it was the calculation of experimental result, and Express the answer in the correct unit and the correct number of significant figures.
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How do I solve the following problem with the proper number of significant figures? Mainly parts E and F.