3ED20F3[Review Topics][References]Use the References to access important values if needed for tha. When 52.70 and 44.375 are divided, the answer should be based on 4Enter the answer with the correct number of digits.52.70 44.375= 1.188An error has been détected in your answer. Check for typos,miscalculations etc. before submitting your answer.Cb. When 44.375 is subtracted from 52.70, the answer should be based on 2 decimal place(s).Enter the answer with the correct number of digits.52.70 44.375= 8.32Submit Answer$4888RFRetry Entire GroupV%5Cengage Learning Cengage Technical SupportF5TG64 more group attempts remainingBMacBook AirF6YH&7F7UN* 008JDIIFB-M(9KF9O)<0Idecimal place(s)significant figure(s)LEST Which vacay-inspireart would you want on your clothi.F10PPreviousEmail Instructor Save and ExitF11+=Next>[V1F121121?1 Assignment 11.2 XIrn/takeAssignment/takeCovalent Activity.do?locator=assignment-takeED8.020F3$An error has been detected in your answer. Check for typos,miscalculations etc. before submitting your answer.4Submit AnswerOWLVZ | Online teRF000F4[Review Topics][References]Use the References to access important values if needed for this question.a. When 52.70 and 44.375 are divided, the answer should be based on 4 significant figure(s)Enter the answer with the correct number of digits.52.70 44.375 = 1.188b. When 44.375 is subtracted from 52.70, the answer should be based on 2✓ decimal place(s)Enter the answer with the correct number of digits.significant figure(s)52.70 44.375 = 8.32%5Retry Entire GroupF5TGCengage Learning Cengage Technical SupportA6MacBook AirF64 more group attempts remainingYHv lo&7M Video<F7UJ* 008DIIFB1X(9KAssignmeF9OOLOF10VOTING NOW OPEN!us.shein.comSHEIN X VACAY STYLE ARTCONTEST Which vacay-inspiredart would you want on your clothi..P3Email Instructor:PreviousIF11{+ 11=Next>Save and Exit?11F121dels

Answered: Image /qna-images/answer/ae6c4a71-3015-4448-9374-87ae8da35ee2.jpg

Use the References to access important values if needed a. When 52.70 and 44.375 are divided, the answer should be based on [4 Enter the answer with the correct number of digits. 52.70 44.375= 1.188 b. When 44.375 is subtracted from 52.70, the answer should be based on 2 decimal place(s) Enter the answer with the correct number of digits. 52.70 44.375= 8.32 decimal place(s) significant figure(s) V

Use the References to access important values if needed a. When 52.70 and 44.375 are divided, the answer should be based on [4 Enter the answer with the correct number of digits. 52.70 44.375= 1.188 b. When 44.375 is subtracted from 52.70, the answer should be based on 2 decimal place(s) Enter the answer with the correct number of digits. 52.70 44.375= 8.32 decimal place(s) significant figure(s) V

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 41E: Perform the following mathematical operations, and express the result to the correct number of...

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A student checked the accuracy of two standard top-loading balances by testing them with a standard 5.000-g mass. The results were as follows: Balance 1: 4.99 g, 5.04 g, 5.03 g, 5.01 g Balance 2: 4.97 g, 4.99 g, 4.95 g, 4.96 g Calculate the average values for balances 1 and 2 and calculate the percent error for each. Which balance is more accurate?
The density of an irregularly shaped object was determined as follows. The mass of the object was found to be 28.90 g 0.03 g. A graduated cylinder was partially filled with water. The reading of the level of the water was 6.4 cm3 0.1 cm3. The object was dropped in the cylinder, and the level of the water rose to 9.8 cm3 0.1 cm3. What is the density of the object with appropriate error limits? (See Appendix 1.5.)
If you repeat the same measurement many times, will you always obtain exactly the same result? Why or why not? What factors influence the repeatability of a measurement?
When the sum 4.9965 + 2.11 + 3.887 is calculated, to how many decimal places should the answer he reported? You shouldnotneed to perform the calculation.
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…
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…
Find the difference between the value of x2 and the sum of x1 plus x3.; let x4 be equivalent to the sum of x1 and x3 and let x5 be the difference between x2 and x5. This calculation scheme is shown below. Make notes about any similarities or differences between the values in your notes. x4 = x1 + x3 x5 = x2 – x4 Data Analyis This section will include all data collected during the lab. Thermochemical Data Tinitial (°C) Tfinal (°C) ΔT (°C) moles NaOH qreaction (kJ) ΔHrxn Reaction 1 25.0 30.3 +5.3 0.025 -1.11 -44.4 Reaction 2 25.0 37.0 +12.0 0.025 -2.51 -100.4 Reaction 3 25.0 31.7 +6.7 0.025 -1.40 -56.1 Reaction 1: NaOH(s) → Na+(aq) + OH-(aq) + x1 kJ 1g /39.977g/mol = 0.025 moles Moles NaOH = 0.025 qsolution = (4.184 J/g °C) (50.0g) (30.3°C -25.0°C) = -1108.76 J/ 1000 qreaction (kJ) = -1.11 kJ ΔH = -1.11 kJ/ 0.025 moles ΔHrxn = -44.4 kJ/mol…
3. A method of analysis yields masses of gold that are low by 0.4 mg. Calculate the percent relative error caused by this result if the mass of gold in the sample is a. 500 mg b. 250 mg c. 60 mg 4. The method described above is to be used for the analysis of ores that assay about 1.2% gold. What minimum sample mass should be taken if the relative error resulting from a 0.4-mg loss is not to exceed a. -0.1% b. -0.8%
[References] Use the References to access important values if needed for this question. A soda bottle is found to have a volume of 772 mL. Using unit analysis, show what the volume of this soda bottle is in L. Use one of the following to set up the conversion factor. 1 kg = 1000 g =1L Visited 100 cm=1 m 1000 mg=1g 3 1 mL=1 cm³ 1000 mm=1m 772 mL X (number) (unit) (number)(unit) Submit Answer L Try Another Version 1 item attempt remaining Previous Next>
An electric current of 0.650 A flows for 1.0 second. Calculate the amount of electric, charge transported.. Be sure your answer has the correct unit symbol and 2 significant digits. 0 x10 ロ・ロ X μ = 5.:.