Questions 1. State the number of significant digits in each of the following measurements. a) 35...
Fantastic news! We've Found the answer you've been seeking!
Question:
Transcribed Image Text:
Questions 1. State the number of significant digits in each of the following measurements. a) 35 s c) 0.5 s e) 23.0 s b) 30.5 C d) 20.5 cm^3 f) 10.00 mL h) 0.015 g j)-2.0 C g) 21.50 s i) 15.0 cm^3 2. Perform the indicated math operations and round the answer to the proper significant digits. a) 50.6 g 50.050 g 50.231 g 1508819 + Neptunium Nickel Osmium Zinc Lead b) 3. A flask with a stopper has a mass of 79.310 g. A 25.0 ml sample of an unknown organic liquid is pipetted into the flask and has a total mass of 97.010 g. Find the density of the unknown liquid. 20.4 8.9 4. A sapphire has a mass of 5.250g. When the gem is dropped into a graduated cylinder, the volume increases from 47.5 mL to 49.0 mL. What is the density of the sapphire? 22.6 7.1 11.4 2 56.05 cm cm - 11.4 5. Liquid mercury has a density of 13.6 g ml-1. Which of the following substances will float on mercury, and which will sink? Density, g mL-1 12 44.65 Questions 1. State the number of significant digits in each of the following measurements. a) 35 s c) 0.5 s e) 23.0 s b) 30.5 C d) 20.5 cm^3 f) 10.00 mL h) 0.015 g j)-2.0 C g) 21.50 s i) 15.0 cm^3 2. Perform the indicated math operations and round the answer to the proper significant digits. a) 50.6 g 50.050 g 50.231 g 1508819 + Neptunium Nickel Osmium Zinc Lead b) 3. A flask with a stopper has a mass of 79.310 g. A 25.0 ml sample of an unknown organic liquid is pipetted into the flask and has a total mass of 97.010 g. Find the density of the unknown liquid. 20.4 8.9 4. A sapphire has a mass of 5.250g. When the gem is dropped into a graduated cylinder, the volume increases from 47.5 mL to 49.0 mL. What is the density of the sapphire? 22.6 7.1 11.4 2 56.05 cm cm - 11.4 5. Liquid mercury has a density of 13.6 g ml-1. Which of the following substances will float on mercury, and which will sink? Density, g mL-1 12 44.65
Expert Answer:
Answer rating: 100% (QA)
1 Significant figures In any value that we write some digits are significant in that value and there are some rules to be followed to define a number ... View the full answer
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
Posted Date:
Students also viewed these chemistry questions
-
Determine the number of significant digits in sin (95.5 ).
-
State the number of neutrons and protons in each of the following nuclei: and {H, '?C, Fe, 'Au, Sr, 12 197
-
State the number of components for a system in which AlCI, is dissolved in water, noting that hydrolysis and precipitation of AI (OH), occur.
-
Knowledge Check 01 A company is in its first month of operations. Supplies worth $4,000 were purchased on January 5. At the end of the month supplies worth $3,000 were in hand. What adjusting entry...
-
Consider two ways to protect your car from theft. The Club (a steering wheel lock) makes it difficult for a car thief to take your car. Lojack (a tracking system) makes it easier for the police to...
-
At a compound interest rate of 10% per year, the amount that $10,000 one year ago is equivalent to now is closest to: (a) $8264 (b) $9091 (c) $11,000 (d ) $12,100
-
The following TI-84 Plus display presents the results of a test of the null hypothesis H0: 1 = 0. a. What is the alternate hypothesis? b. What is the value of the test statistic? c. How many degrees...
-
Refer to RE6-5. At the end of the first quarter of 2017, McKinney & Co. reevaluates its receivables. McKinneys management decides that $8,500 due from Mangold Corporation will not be collectible....
-
The restaurant at the Hotel Galaxy offers two choices for breakfast: an all-you-can-eat buffet and an a la carte option, where diners can order from the menu. The buffet option has a budgeted meal...
-
Whispering issued an 9%, 10-year $1,800,000 bond to build a monorail mass transit system. The city received $1,587,988 cash from the bond issuance on January 1, 2025. The bond yield is 11%. Interest...
-
To create an effective budget, you must first determine how much money is coming in. whether to create a weekly or a monthly budget. how much your living expenses are. Discuss ?
-
How does living in poverty affect children? 1. State the problem or focus question? (State your research question in a clear, concise way) 2. justify using an interdisciplinary approach (ID) approach...
-
The accounting records of Wall's China Shop reflected the following balances as of January 1, Year 3: Cash Beginning inventory Common stock Retained earnings $ 19,800 18,275 (215 @ $85) 14,500 23,575...
-
NC - Noise Criterion Calculation A machine Octave Band Center Frequency (Hz) 63 125 250 500 1000 2000 4000 8000 NC-70 83 79 75 72 71 70 69 68 NC-65 80 75 71 68 66 64 63 62 NC-60 77 71 67 63 61 59...
-
How is emotional intelligence related to motivation? How does emotional intelligence contribute to job performance? How does emotional intelligence contribute to job performance?
-
need help on this aspect of my C# project. I'm new to C# , please provide steps and explanations, Please and thank you so much. I wanna learn how to approach problems like these. User interface...
-
Describe a Distributed Computing Project you know of.
-
Splitting hairs, if you shine a beam of colored light to a friend above in a high tower, will the color of light your friend receives be the same color you send? Explain.
-
During 2012, Palo Fiero purchases the following property for use in his manufacturing business: Palo uses the accelerated depreciation method under MACRS, if available, and does not make the election...
-
Laura is a single taxpayer living in New Jersey with adjusted gross income for the 2012 tax year of $35,550. Laura's employer withheld $3,300 in state income tax from her salary. In April of 2012,...
-
Professor Patricia (Patty) Pate is retired from the PalmSprings Culinary Arts Academy (PSCAA). She is a single taxpayer and is 68 years old. Patty lives at 98 Colander Street, Henderson, NV 89052....
-
Prove that van der Waals constants \((a, b)\) can be expressed in terms of critical temperature and pressure as follows: a = 27 R 2 T 2 c 64 P c b = R T c 8 P c a = 27 R 2 T c 2 64 P c b = R T c 8 P c
-
Justify the following statement with illustration: 'Violation of Kelvin-Planck statement leads to the violation of Clausius statement'.
-
Show that where \[ \left(\frac{\partial U}{\partial V} ight)_{T}=\frac{T \beta}{\kappa}-P \] \(\beta=\) Coefficient of volume expansion \(\kappa=\) Isothermal compressibility.
Study smarter with the SolutionInn App