In a similar experiment, a pair of students was asked to measure out 10.00 mL of water using a 25-mL buret.The data they collected is shown in the table below:TrialStudent 1Student 219.98 mL9.97 mL210.00 mL9.99 mL39.99 mL10.01 mLWhich of the following statements best describes the set of data collected by each student?Student 1both accurate and preciseStudent 2only accurate[ Choose]only accurateboth accurate and preciseonly precise Throughout this experiment, you used multiple pieces of equipment to record measurements that mayhave different significant figures. This difference can affect your final calculations. Match the followingpieces of equipment with their corresponding number of decimal places. Some answers may be used morethan once:Analytical balance[ Choose ][ Choose ]125-mL buret3455-mL Volumetric pipet2

Accuracy refers to closeness to the actual value. Precision refers to closeness among observed…

In a similar experiment, a pair of students was asked to measure out 10.00 mL of water using a 25-mL buret. The data they collected is shown in the table below: Trial Student 1 Student 2 1 9.98 mL 9.97 mL 2 10.00 mL 9.99 mL 3 9.99 mL 10.01 mL Which of the following statements best describes the set of data collected by each student? Student 1 both accurate and precise Student 2 only accurate [Choose ] only accurate both accurate and precise only precise >

In a similar experiment, a pair of students was asked to measure out 10.00 mL of water using a 25-mL buret. The data they collected is shown in the table below: Trial Student 1 Student 2 1 9.98 mL 9.97 mL 2 10.00 mL 9.99 mL 3 9.99 mL 10.01 mL Which of the following statements best describes the set of data collected by each student? Student 1 both accurate and precise Student 2 only accurate [Choose ] only accurate both accurate and precise only precise >

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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Accurate? Precise? Density= Measurement, Significant Figures, Rounding, Precision and Accuracy 1. How many significant figures in each of the following measurements? 3.121 m 4 2 1.4 X 104g. 2 0.051 L 120 ft 2. Round the following numbers to 3 significant figures. 2.35500 23 9.385 9.59 2 Group A 12.348 g 12.441 g 12.367 g 12.392 g 3. Solve the following and express the answer in the correct number of significant figures. a. The average mass of 3 objects whose individual masses are 10.3 g, 9.334 g, 9.25 g. 10.39 + 9.334 + 9.25 +3= 28.8849, or 28.9 b. The volume of a metal block whose dimensions are 2.44 cm by 4.2 cm by 3.571 cm. 2.44 4.2.3.54= 36.60 Group B 12.412 g 12.420 g 12.418 g 12.415 g 0.0150 L 3 3 200. K c. Carry out the following operations and express your answer in the correct number of significant figures. (12.8+ 12.71)/0.560 = 45.55 155./(43.25-7.1) = 4,288 4. Four groups of students where charged with measuring the mass of 10.0 mL of a solution of sugar water and from there…
If I have these values and need to calculate percentage, what are the significant figures I need? 1.23, 4.56 so 1.23/4.56 x 100 is 3 significant figures or 1? I just attached a similar question and used arbitrary values just to understand the significant figures pRt
A particular person in America uses 311.0 gallons of water in a given day. How many liters of water is this? 82.17 ADD FACTOR x ( ) O 1244 0: 1 Question 62 of 73 3.785 311.0 anl 0.25 4 ANSWER 0.9463 0.2642 RESET 2 77.75 1177
Convert 6.75 g/L to lb/in3. Give your answer in scientific notation (e. g. 1.23E4 instead of 12340). 1 lb = 453.59 g Question 8 Convert 0.00 K to °C and °F. Give your answers to the correct number of sig. figs. KC+273.15 °F (9/5)(°C) + 32 T = T = Question 9 °C 1 in 2.54 cm °F Convert 322 °F to °C and K. Give your answers to the correct number of sig. figs. K= °C + 273.15 °C (5/9)(°F-32)
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1. What is the length of the rod shown below? 3 4 7 10 2. If Student A measures the volume of a liquid and reports its volume as 23.50 mL and Student B measures a different amount of the same liquid and reports its volume as 15.0 mL, is it likely that the students used the same measuring device? Yes or no? Explain your answer. 3. If you were asked to measure 25.0 mL of a liquid and to transfer it to another container, which of the following glassware could you use? Choose all that apply. Give reason(s). a) A 50-mL buret with smallest divisions of 0.1 mL b) A 50 mL beaker with smallest divisions of 10 mL c) A 50-mL volumetric flask d) A 50-mL graduated cylinder with smallest divisions of 1 mL e) A 25-mL pipet 4. A group of five students attempted to estimate 100 g of a substance by balancing the amount of the substance with a 100-g standard mass and obtained the following masses after each estimated amount was weighed: 95.8634 g, 80.8125 g, 106.5078 98.2865 and 86.4453 Create a data…
In the lab, you have measured 10mL of water 5 times. (water has density of 1.000mg/mL). Each time you weighted 10mL of water and recorded in the notebook. The five measurements are below. Trial 1: 9.865 g Trial 2: 9.996 g Trial 3: 9.563 g Trial 4: 9.658 g Trial 5: 10.235 g Select all the statements that are true 1. Can't determine the average 2. Can't determine the standard deviation 3. Average weight of 10mL of water is 9.863g 4. Standard Deviation of 5 measurement is 0.268 5. Average weight of 10mL of water is 9.863g with standard deviation of 0.268 6. There is no right answer 7. All answers are correct
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