Core Chemistry Skill: Using Prefixes ▼ Part A What are the abbreviations for a milliliter, a megameter, and a centigram, respectively? Enter the abbreviations, separated by commas. View Available Hint(s) Submit Part B Rank the following quantities in order of decreasing mass. Rank from highest to lowest mass. To rank items as equivalent, overlap them. ►View Available Hint(s) 50 cg 1 dg 1 og 100 g 1 kg 50 million ng 1 Gg Reset Help

Core Chemistry Skill: Using Prefixes ▼ Part A What are the abbreviations for a milliliter, a megameter, and a centigram, respectively? Enter the abbreviations, separated by commas. View Available Hint(s) Submit Part B Rank the following quantities in order of decreasing mass. Rank from highest to lowest mass. To rank items as equivalent, overlap them. ►View Available Hint(s) 50 cg 1 dg 1 og 100 g 1 kg 50 million ng 1 Gg Reset Help

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 101AE: This year, like many past years, you begin to feel very sleepy alter eating a large helping of...

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Atomic masses are measured in atomic mass units (amu). The amu, (1.66)(10-27) kilogram, is defined as 1/12 the mass of a common carbon atom. Find the mass of a carbon atom in kilograms. Express the result in scientific notation.
O STATES OF MATTER Soad Solving applied mass concentration problems - 1 Measurements have shown that the concentration of salt in seawater is 35.5 g·L '. Calculate the volume in liters of seawater that must be evaporated to recover 0.575 kg of salt. Round your answer to 3 significant digits. olo Ox10 18 Ar Explanation Check
1. All answers to be entered via short answer are in the numerical format and presented up to the 3rd decimal place. Add trailing zeros if necessary, to complete your answer. NO NEED TO INCLUDE THE UNIT. For uniformity of answers, please be guided by the following examples: If your answer is 5.627594, enter 5.628 If your answer is 3.129934, enter 3.130 If your answer is 8.38, enter 8.380 If your answer is 1.2, enter 1.200 If your answer is 25, enter 25.000 If your answer is less than the value of 1, always place a zero before the decimal point (example: 0.5, enter 0.500) 2. In cases for answers in the exponential format, please be guided by the following examples and format: Do not convert your answer to decimal format If your answer from the calculator is 1.23454566 x 10E-4, enter 1.235x10^-4 (no spaces in between) If your answer from the calculator is 7.379566 x 10E-5, enter 7.38x10^-5 (no spaces in between) 3. For the atomic weights, it should be rounded to the nearest whole…
1. All answers to be entered via short answer are in the numerical format and presented up to the 3rd decimal place. Add trailing zeros if necessary, to complete your answer. NO NEED TO INCLUDE THE UNIT. For uniformity of answers, please be guided by the following examples: If your answer is 5.627594, enter 5.628 If your answer is 3.129934, enter 3.130 If your answer is 8.38, enter 8.380 If your answer is 1.2, enter 1.200 If your answer is 25, enter 25.000 If your answer is less than the value of 1, always place a zero before the decimal point (example: 0.5, enter 0.500) 2. In cases for answers in the exponential format, please be guided by the following examples and format: Do not convert your answer to decimal format If your answer from the calculator is 1.23454566 x 10E-4, enter 1.235x10^-4 (no spaces in between) If your answer from the calculator is 7.379566 x 10E-5, enter 7.38x10^-5 (no spaces in between) 3. For the atomic weights, it should be rounded to the nearest whole…
ⒸMacmillan Learning To how many significant figures should each answer be rounded? (a) (6.626 x 10-34 J-s) (2.9979 × 108 m/s) 4.950 x 10-7 m After rounding, the answer should have 1 significant figure. ○ 4 significant figures. 3 significant figures. 5 significant figures. O2 significant figures. (6.022 x 1023 atoms/mol) (0.487 g) 20.18 g/mol After rounding, the answer should have 3 significant figures. 2 significant figures. 1 significant figure. 4 significant figures. 5 significant figures. = 4.012946545455 × 10-19 J (unrounded) = 1.453 x 10²2 atoms (unrounded)
1. All answers to be entered via short answer are in the numerical format and presented up to the 3rd decimal place. Add trailing zeros if necessary, to complete your answer. NO NEED TO INCLUDE THE UNIT. For uniformity of answers, please be guided by the following examples: If your answer is 5.627594, enter 5.628 If your answer is 3.129934, enter 3.130 If your answer is 8.38, enter 8.380 If your answer is 1.2, enter 1.200 If your answer is 25, enter 25.000 If your answer is less than the value of 1, always place a zero before the decimal point (example: 0.5, enter 0.500) 2. In cases for answers in the exponential format, please be guided by the following examples and format: Do not convert your answer to decimal format If your answer from the calculator is 1.23454566 x 10E-4, enter 1.235x10^-4 (no spaces in between) If your answer from the calculator is 7.379566 x 10E-5, enter 7.38x10^-5 (no spaces in between) 3. For the atomic weights, it should be rounded to the nearest whole…
1. All answers to be entered via short answer are in the numerical format and presented up to the 3rd decimal place. Add trailing zeros if necessary, to complete your answer. NO NEED TO INCLUDE THE UNIT. For uniformity of answers, please be guided by the following examples: If your answer is 5.627594, enter 5.628 If your answer is 3.129934, enter 3.130 If your answer is 8.38, enter 8.380 If your answer is 1.2, enter 1.200 If your answer is 25, enter 25.000 If your answer is less than the value of 1, always place a zero before the decimal point (example: 0.5, enter 0.500) 2. In cases for answers in the exponential format, please be guided by the following examples and format: Do not convert your answer to decimal format If your answer from the calculator is 1.23454566 x 10E-4, enter 1.235x10^-4 (no spaces in between) If your answer from the calculator is 7.379566 x 10E-5, enter 7.38x10^-5 (no spaces in between) 3. For the atomic weights, it should be rounded to the nearest whole…
ERROR ANALYSIS A student solving the problem based on the scenario below made an error and the answer is incorrect for percent by mass. Identify the error and solve the problem to determine the correct answer. Calculate the percent by mass of vinegar in a lab grade bottle when the mass of the vinegar in the bottle is 150.0 g and the mass of water in the bottle is 449.35 g. percentby mass = _Massofsolute Kl00 Massofsdlution pereent bymass = 150.0g Xl00 449.359 = 33.38% vinegar percent by mass
No need to explain. Just give the answers directly. Thank you. 1. If your final answer is 4.5023485 grams, what will you input as your final answer? 2. Round off 0.274 to two (2) significant figures 3. Round off 20.0847 to two (2) significant figures
||| O CHEMICAL REACTIONS Using the Avogadro Number An oxygen atom has a mass of 2.66 × 10-23 g and a glass of water has a mass of 0.050 kg. Use this information to answer the questions below. Be sure your answers have the correct number of significant digits. Fn What is the mass of 1 mole of oxygen atoms? Shift Round your answer to 3 significant digits. How many moles of oxygen atoms have a mass equal to the mass of a glass of water? Round your answer to 2 significant digits. Tab Explanation CapsLock Ctrl Esc FnLock Type here to search DA A Check Z A- F2 NO W S A+ F3 Alt #3 X 100 % F4 4 C F5 R 0 % 5 bo HI 0 + F6 V G F7 6 P F8 & 7 H 0 X 2023 McGraw Hill LLC. All Rights Reserved. Terms of Use 38°F Sunny F9 N CO J F10 M F11 K F12 Home Alt P U Pr
11 of 26 To how many significant figures should each answer be rounded? (6.626 × 10-34 J •s) (2.9979 × 10% m/s) equation A: 4.890 × 10-7 m 4.062185153374 x 10-19 J (unrounded) After rounding, the answer to equation A should have O1 significant figure. O5 significant figures. O2 significant figures. O3 significant figures. 04 significant figures. (6.022 x 1023 atoms/mol) (0.855 g) 20.18 g/mol = 2.551 × 1022 atoms (unrounded) %3D equation B: contact us help terms of use careers privacy policy about us
Try Again Your answer is wrong. Please read the Explanation for more help. A student sets up the following equation to convert a measurement. (The ? stands for a number the student is going to calculate.) Fill in the missing part of this equation. 0.050 mol kg 5 x 10 -5 mol g = ? mol g x10 X μ Ś