Concept explainers
(a)
Interpretation:
Concept Introduction:
For subtraction, the number with minimum number of significant figures is chosen and in the final answer same number of significant number is kept. The answer should not be more precise than the number with minimum number of significant figures.
(b)
Interpretation:
Concept Introduction:
For subtraction, the number with minimum number of significant figures is chosen and in the final answer same number of significant number is kept. The answer should not be more precise than the number with minimum number of significant figures.
(c)
Interpretation:
Concept Introduction:
For subtraction, the number with minimum number of significant figures is chosen and in the final answer same number of significant number is kept. The answer should not be more precise than the number with minimum number of significant figures.
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Check out a sample textbook solutionChapter 1 Solutions
Introduction To General, Organic, And Biochemistry
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- 1-89 Consider butter, density 0.860 g/mL, and sand, density 2.28 g/mL. (a) If 1.00 mL of butter is thoroughly mixed with 1.00 mL of sand, what is the density of the mixture? (b) What would be the density of the mixture if 1.00 g of the same butter were mixed with 1.00 g of the same sand?arrow_forward1-30 Add these groups of measured numbers using the correct number of significant figures in your answer: (a) 37.4083 + 5.404 + 10916.3 + 3.94 + 0.0006 (b) 84 + 8.215 + 0.01 + 151.7 (c) 51.51 + 100.27 + 16.878 + 3.6817arrow_forward1-52 An order for a patient reads Give 40. mg of pantoprazole IV and 5 g of MgSO4 IV. The pantoprazole should be administered at a concentration of 0.4 mg/mL and the MgSO4 should be administered at a concentration of 0.02 g/mL in separate IV infusion bags. What is the total fluid volume the patient has received from both IV infusions?arrow_forward
- 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?arrow_forward1-76 If the density of air is 1.25 10-3 g/cc, what is the mass in kilograms of the air in a room that is 5.3 m long, 4.2 m wide, and 2.0 m high?arrow_forward1-84 Which quantity is bigger in each of the following pairs? (a) 1 gigaton: 10. megaton (b) 10. micrometer: 1 millimeter (c) 10. centigram 200. milligramarrow_forward
- 1-111 In the hospital, your doctor orders 100. mg of medication per hour. The label on the IV bag reads 5.0 g/1000. mL. (a) How many mL should infuse each hour? (b) The IV administration set delivers 15 gtts/mL, where the unit gtts denotes drops of liquid as explained in Problem 1-5 1. The current drip rate is set to 10. gtts/min. Is this correct? If not, what is the correct drip rate?arrow_forward1-17 Write in exponential notation: (a) 0.351 (b) 602.1 (c) 0.000128 (d) 628122arrow_forward1-32 How many grams are in the following? (a)1 kg (b) 1 mgarrow_forward
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