Homework Help is Here – Start Your Trial Now!
Science
Chemistry
1. The mass of a 45.750 g piece of copper is measured three times on two different balances with the following results: Trial Balance 1 (grams) Balance 2 (grams) 45.747 45.745 1 45.76 45.77 45.74 3 45.748 a. Calculate the standard deviation for each set of measurements on each balance. Use the standard deviation formula shown on page 9 and show your work on the back of the page or on a separate sheet of paper. I encourage you to check your answer with a standard deviation calculator or on the internet. Balance 1 Balance 2 b. Which balance is more precise? Explain your answer. c. Which balance is more accurate? Explain your answer.

1. The mass of a 45.750 g piece of copper is measured three times on two different balances with the following results: Trial Balance 1 (grams) Balance 2 (grams) 45.747 45.745 1 45.76 45.77 45.74 3 45.748 a. Calculate the standard deviation for each set of measurements on each balance. Use the standard deviation formula shown on page 9 and show your work on the back of the page or on a separate sheet of paper. I encourage you to check your answer with a standard deviation calculator or on the internet. Balance 1 Balance 2 b. Which balance is more precise? Explain your answer. c. Which balance is more accurate? Explain your answer.

Chemistry
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...
See similar textbooks
icon
Related questions
Question

Hi can someone help me with this step by step?? i'm very confused

1. The mass of a 45.750 g piece of copper is measured three times on two different balances with the following results: Trial Balance 1 (grams) Balance 2 (grams) 45.747 45.76 45.745 45.77 45.748 45.74 a. Calculate the standard deviation for each set of measurements on each balance. Use the standard deviation formula shown on page 9 and show your work on the back of the page or on a separate sheet of paper. I encourage you to check your answer with a standard deviation calculator or on the internet. Balance 1 Balance 2 b. Which balance is more precise? Explain your answer. c. Which balance is more accurate? Explain your answer. 123
Transcribed Image Text:1. The mass of a 45.750 g piece of copper is measured three times on two different balances with the following results: Trial Balance 1 (grams) Balance 2 (grams) 45.747 45.76 45.745 45.77 45.748 45.74 a. Calculate the standard deviation for each set of measurements on each balance. Use the standard deviation formula shown on page 9 and show your work on the back of the page or on a separate sheet of paper. I encourage you to check your answer with a standard deviation calculator or on the internet. Balance 1 Balance 2 b. Which balance is more precise? Explain your answer. c. Which balance is more accurate? Explain your answer. 123
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 3 images

SEE SOLUTIONCheck out a sample Q&A here
Blurred answer
Knowledge Booster
Acid-Base Titrations
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.
Recommended textbooks for you
Chemistry
Chemistry
Chemistry
ISBN:
9781305957404
Author:
Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:
Cengage Learning
Chemistry
Chemistry
Chemistry
ISBN:
9781259911156
Author:
Raymond Chang Dr., Jason Overby Professor
Publisher:
McGraw-Hill Education
Principles of Instrumental Analysis
Principles of Instrumental Analysis
Chemistry
ISBN:
9781305577213
Author:
Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher:
Cengage Learning
Organic Chemistry
Organic Chemistry
Chemistry
ISBN:
9780078021558
Author:
Janice Gorzynski Smith Dr.
Publisher:
McGraw-Hill Education
Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
Chemistry
ISBN:
9781305079373
Author:
William L. Masterton, Cecile N. Hurley
Publisher:
Cengage Learning
Elementary Principles of Chemical Processes, Bind…
Elementary Principles of Chemical Processes, Bind…
Chemistry
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
SEE MORE TEXTBOOKS