Basic Chemistry (5th Edition)
5th Edition
ISBN: 9780134138046
Author: Karen C. Timberlake
Publisher: PEARSON
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Chapter 1, Problem 1.49AQAP
Evaluate each of the following: (1.4)
- 4x(-8)= _______
- -12 − 48= _______
-
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The correct answer (reported to the proper number of significant figures) to the following is ________. (12.67 + 19.2)(3.99) / (1.36 + 11.366) = ________
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Answer is not 3 or none of the above. So what would it be 1, 2, or 4?
Chapter 1 Solutions
Basic Chemistry (5th Edition)
Ch. 1.1 - Write a one-sentence definition for each of the...Ch. 1.1 - Write a one-sentence definition for each of the...Ch. 1.1 - Obtain a bottle of multivitamins and read the list...Ch. 1.1 - Prob. 1.4QAPCh. 1.1 - Read the labels on some items found in your...Ch. 1.1 - Read the labels on products used to wash your...Ch. 1.2 - Define each of the following terms of the...Ch. 1.2 - Identify each of the following activities in the...Ch. 1.2 - Prob. 1.9QAPCh. 1.2 - Identify each activity, a to f, as an observation...
Ch. 1.2 - Prob. 1.11QAPCh. 1.2 - Identify each of the following as an observation...Ch. 1.3 - Prob. 1.13QAPCh. 1.3 - Prob. 1.14QAPCh. 1.3 - Prob. 1.15QAPCh. 1.3 - Prob. 1.16QAPCh. 1.4 - What is the place value for the bold digit? 7.3288...Ch. 1.4 - Prob. 1.18QAPCh. 1.4 - Prob. 1.19QAPCh. 1.4 - Prob. 1.20QAPCh. 1.4 - Prob. 1.21QAPCh. 1.4 - Prob. 1.22QAPCh. 1.4 - Prob. 1.23QAPCh. 1.4 - Prob. 1.24QAPCh. 1.4 - Prob. 1.25QAPCh. 1.4 - What is measured on the horizontal axis? What is...Ch. 1.5 - Prob. 1.27QAPCh. 1.5 - Prob. 1.28QAPCh. 1.5 - Write each of the following as a standard number:...Ch. 1.5 - Prob. 1.30QAPCh. 1.5 - Prob. 1.31QAPCh. 1.5 - Prob. 1.32QAPCh. 1 - Prob. 1.33FUCh. 1 - Prob. 1.34FUCh. 1 - Prob. 1.35UTCCh. 1 - Prob. 1.36UTCCh. 1 - Prob. 1.37UTCCh. 1 - Prob. 1.38UTCCh. 1 - Prob. 1.39UTCCh. 1 - Prob. 1.40UTCCh. 1 - Prob. 1.41UTCCh. 1 - Prob. 1.42UTCCh. 1 - Prob. 1.43AQAPCh. 1 - Prob. 1.44AQAPCh. 1 - Prob. 1.45AQAPCh. 1 - Prob. 1.46AQAPCh. 1 - Prob. 1.47AQAPCh. 1 - Prob. 1.48AQAPCh. 1 - Evaluate each of the following: (1.4) 4x(-8)=...Ch. 1 - Prob. 1.50AQAPCh. 1 - Prob. 1.51AQAPCh. 1 - Prob. 1.52AQAPCh. 1 - Prob. 1.53AQAPCh. 1 - Prob. 1.54AQAPCh. 1 - Prob. 1.55AQAPCh. 1 - Prob. 1.56AQAPCh. 1 - Prob. 1.57CQCh. 1 - Prob. 1.58CQCh. 1 - Solve each of the following for X: (1.4) 2x + 5 =...Ch. 1 - Solve each of the following for z: (1.4) 3z ( 6)...Ch. 1 - What does the title indicate about the graph?...Ch. 1 - What is measured on the horizontal axis? (1.4)...
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- ((5.15)(0.372))/0.085 = 22 22.5 2.254 23arrow_forwardHow many significant figures does the following calculations yield? (12.2-0.2)/1.02arrow_forward(1.7)Write the answer to each of the following calculations with the correct number of significant figures. Do not write the answer in scientific notation. (124.6 121.03)/1.123 = 99.2 + 12.7=arrow_forward
- The correct answer (reported to the proper number of significant figures) to the following is (12.67 + 19.2)(3.99) / (1.36 + 11.366) = O 10.0 O 9.9985 O 19.9985 O 1.00 x 10² O none of the abovearrow_forwardAfter performing the following calculation, the answer should have _____ significant figure(s).arrow_forward(1.7) A student performs an experiment to determine the density of a sugar solution. She obtains the following results: 1.71 g/mL, 1.72 g/mL, 1.71 g/mL, 1.70 g/mL. If the actual value for the density of the sugar solution is 1.50 g/mL, which statement below best describes her results? O Her results are accurate, but not precise. O Her results are precise, but not accurate. O Her results are both precise and accurate O Her results are neither precise nor accurate.arrow_forward
- lead has a density of 11.34 g/ mL. Oxygen has a density of 1.31 x10^-3 g/mLarrow_forwardRounding Off Initial Number Student’s Rounded Value 1. Correct? (yes/no) 2. Corrected (if needed) 143.63212 144 532 800 533 0.008 583 45 0.009 8 8.00 Significant Figures in Calculations Multiplication and Division Perform the following multiplication and division calculations. Give a final answer with the correct number of significant figures: 0.1184 ´ 8.00 ´ 0.0345 (42.4)(15.6) 1.265 (35.56)(1.45) (4.8)(0.56) Addition and Subtraction Perform the following addition and subtraction calculations. Give a final answer with the correct number of decimal places. 13.45 mL + 0.4552 mL 145.5 m + 86.58 m + 1045 m 245.625 g – 80.2 g 4.62 cm – 0.885 cm…arrow_forwardAnswerarrow_forward
- This is a practice exercise. i will write down the answer that it says on the book for each problems. i need help on how they got that answer. how many significant figures should the answer in each of these calculations contain? just the significant figures only (A) (14.0) (5.2) Answer: 2. (E) 119.1-3.44. answer: 4 (B) (0.1682) (8.2). Answer: 2 (h) 1.6 + 23 - 0.005. Answer: 2 (C) (160)(33)/4. Answer: 1 (D) 8.2+0.125 Answer: 2arrow_forward(1.9) Examine the graph of mass vs. volume of a substance below and answer the following question. How much does the volume (cm³) of the substance would increase when the mass increases from 16.0 g to 35.0 g? 40 15 Mass (g) 35 30 25 20 15 10 5 0 5 Volume (cm^3) 10arrow_forward1.5.2 Which of the following is the sum of the following numbers to the correct number of significant figures? 3.115 + 0.2281 + 712.5 + 45 = a) 760.8431 b) 760.843 c) 760.84 d) 760.8 e) 761arrow_forward
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