Principles of General Chemistry
3rd Edition
ISBN: 9780073402697
Author: SILBERBERG, Martin S.
Publisher: McGraw-Hill College
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Textbook Question
Chapter 1, Problem 1.49P
Write the following numbers in scientific notation:
- 282.0 (b) 0.038 (c) 4270.8 (d) 58,200.9
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Write the following numbers in scientific notation:(a) 282.0 (b) 0.0380 (c) 4270.8 (d) 58,200.9
How many significant figures are there in the following numbers?
(a)0.00740
(b)609.20
(c)9.005 x 1011
How many significant figures are there in each number below? (a) 1.903 0 (b) 0.039 10 (c) 1.40 X 104
Chapter 1 Solutions
Principles of General Chemistry
Ch. 1 - Scenes A-D represent atomic-scale views of...Ch. 1 - Describe solids, liquids, and gases in terms of...Ch. 1 - Define physical property and chemical property....Ch. 1 - Define physical change and chemical change. State...Ch. 1 - Which of the following is a chemical change?...Ch. 1 - Which of the following changes can be reversed by...Ch. 1 - For each pair, which has higher potential energy?...Ch. 1 - Prob. 1.8PCh. 1 - How ait the key elements of scientific thinking...Ch. 1 - Prob. 1.10P
Ch. 1 - Prob. 1.11PCh. 1 - Prob. 1.12PCh. 1 - Prob. 1.13PCh. 1 - Write the conversion factor(s) for in2tom2 (b)...Ch. 1 - Write the conversion factor(s) for cm/mintoin/ (b)...Ch. 1 - Describe the difference between intensive and...Ch. 1 - Explain the difference between mass and weight....Ch. 1 - For each of the following cases, state whether the...Ch. 1 - Prob. 1.19PCh. 1 - A one-step conversion is sufficient to convert a...Ch. 1 - The average radius of a molecule of lysozyme, an...Ch. 1 - The radius of a barium atom is 2.2210-10 m. What...Ch. 1 - A small hole in the wing of a space shuttle...Ch. 1 - Prob. 1.24PCh. 1 - The average density of Earth is 5.5g/cm3. What is...Ch. 1 - Prob. 1.26PCh. 1 - The volume of a certain bacterial cell is 2.56m3....Ch. 1 - How many cubic meters of milk are in 1qt(946.4mL)?...Ch. 1 - Prob. 1.29PCh. 1 - An empty Erlenmeyer flask weighs 241.3 g. When...Ch. 1 - A small cube of aluminum measures 15.6 mm on a...Ch. 1 - A steek ball-bearing with a circumference of 32.5...Ch. 1 - Perform the following conversions: 68oF (a...Ch. 1 - Perfrom the following conversions: 106oF (the body...Ch. 1 - A 25-0-g sample of each of three unknwon metals is...Ch. 1 - Prob. 1.36PCh. 1 - The distance between two adjacent peaks on a wave...Ch. 1 - Prob. 1.38PCh. 1 - Prob. 1.39PCh. 1 - Prob. 1.40PCh. 1 - Each of the beakers depicted below contains two...Ch. 1 - Prob. 1.42PCh. 1 - Prob. 1.43PCh. 1 - Underline the significant zeros in the folliwng...Ch. 1 - Prob. 1.45PCh. 1 - Carry out the following calculations, making sure...Ch. 1 - Carry out the following calculations, making sure...Ch. 1 - Prob. 1.48PCh. 1 - Write the following numbers in scientific...Ch. 1 - Prob. 1.50PCh. 1 - Prob. 1.51PCh. 1 - Carry out each calculation, paying special...Ch. 1 - Carry out each calculation, paying special...Ch. 1 - Which statements include excat numbers? Angel...Ch. 1 - Which of the following include exact numbers? (a)...Ch. 1 - How long is the metal strip shown below? Be sure...Ch. 1 - These organic solvents are used to clean compact...Ch. 1 - Prob. 1.58PCh. 1 - Prob. 1.59PCh. 1 - Prob. 1.60PCh. 1 - Prob. 1.61PCh. 1 - Prob. 1.62PCh. 1 - Prob. 1.63PCh. 1 - Prob. 1.64PCh. 1 - Prob. 1.65PCh. 1 - Bromine is used to prepare the pesticide methyl...Ch. 1 - Prob. 1.67PCh. 1 - Prob. 1.68PCh. 1 - Prob. 1.69PCh. 1 - Prob. 1.70PCh. 1 - Prob. 1.71PCh. 1 - For the year 2007. worldwide production of...Ch. 1 - Prob. 1.73PCh. 1 - Prob. 1.74PCh. 1 - Prob. 1.75PCh. 1 - Prob. 1.76PCh. 1 - Scenes A and B depict changes in matter at the...Ch. 1 - Prob. 1.78PCh. 1 - Prob. 1.79PCh. 1 - If a temperature scale were based on the freezing...
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- Perform the following calculations and report each answer with the correct number of significant figures.(a) 628 × 342(b) (5.63 × 102) × (7.4 × 103)(c) (28.0)/(13.483)(d) 8119 × 0.000023(e) 14.98 + 27,340 + 84.7593(f) 42.7 + 0.259arrow_forwardIndicate how many significant figures there are in (a) 0.305 0 (b) 0.003 050 (c) 1.003 X 104arrow_forwardExpress the results of the following multiplications and divisions to the proper number of significant figures. All of the numbers are measured quantities. (a) 129.587 × 32.33 = 4.7791 (b) 3.21 × 5.793 10566.9 (c) 3.584 × 1029 (d) (5.247 × 10'3) × (1.3 × 10-17) =arrow_forward
- Perform the following calculations and report each answer with the correct number of significant figures.(a) 62.8 × 34(b) 0.147 + 0.0066 + 0.012(c) 38 × 95 × 1.792(d) 15 – 0.15 – 0.6155(e) 8.78 × ((0.0500)/(0.478))(f) 140 + 7.68 + 0.014(g) 28.7 – 0.0483(h) ((88.5 − 87.57)/(45.13))arrow_forwardHow many significant figures are in each of the following numbers (assume that each number is a measured quantity)?(a) 4.003, (b) 6.023 * 1023, (c) 5000.arrow_forwardPerform the following calculations and report each answer with the correct number of significant figures. (a) 635 ✕ 335 (b) (5.23 ✕ 102) ✕ (6.8 ✕ 103) (c) 27.2/13.383 (d) 8179 ✕ 0.000051 (e) 14.23 + 27360 + 84.5721 (f) 47.2 + 0.291arrow_forward
- How many significant figures do the following numbers contain? (a) 1.233 + .1 (b) 1.233*.1 (c) 1.233/.01arrow_forwardWrite the following numbers in standard notation. Use a ter-minal decimal point when needed:(a) 6.500*10^3(b) 3.46*10^5(c) 7.5*10^2(d) 1.8856*10^2arrow_forwardExpress the following numbers in scientific notation:(a) 0.000000027, (b) 356, (c) 47,764, (d) 0.096.arrow_forward
- Round off each of the following numbers to two significant figures:(a) 517(b) 86.3(c) 6.382 × 103(d) 5.0008(e) 22.497(f) 0.885arrow_forwardCarry out the following operations and express the answers with the appropriate number of significant figures. (a) 14.3505 + 2.65 (b) 952.7 - 140.7389 (e) 13.29 × 104210.25012 (d) 0.0588/0.677arrow_forwardUnderline the significant zeros in the following numbers:(a) 0.41 (b) 0.041 (c) 0.0410 (d) 4.0100×104arrow_forward
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