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- 1.65 An industrial engineer is designing a process to manufacture bullets. The mass of each bullet must be within 0.2 5% of 150 grains. What range of bullet masses, in mg, will meet this tolerance? 1 grain = 64.79891 mg.How do molecules of elements and molecules of compounds differ? In what ways are they similar?A. Rounding Off A.1 Rounding A student rounded off the following calculator displays to three significant figures. Indicate if the rounded number is correct. If it is incorrect, round off the display value properly. Calculator Student's Correct (yes/no). Corrected (if needed) Display Rounded Value 24.4704 24.5 143.63212 144 532 800 530 0.00858345 0.009 8. 8.00 17
- 1. What is the sum of 89.332 g and 1.1 g? a. 90.4g b. 90.432g C. 90.0g d. 90.43g 2. What is the difference between 2.097 g and 0.12 g? a. 1.98g b. 1.977g C. 1.97g d. 1.98 3. What is the mass of a substance having a density of 2.8 g/cm^3 occupying a volume of 4.5039 cm^3? a. 12.61092 g b. 13 g C. 12.6109 g d. 12.6 g 4. What is the density of a substance having a mass of 6.85 g occupying a volume of 112.04 cm^3? a. 0.061138 g/cm^3 b. 0.06114 g/cm^3 C. 0.0611 g/cm^3 d. 0.061 g/cm^3 5. How many significant figures are there in 6.02 x 10^23 H atoms? a. 1 b. 2 c. 3 d. 232. Direct measurement of solid density Glass Solid Соpper Wire Вeads Form Diameter: 0.597cm Diameter: 0.164cm Dimensions Length: 4.716cm Mass 0.6772g 0,2681g alonomont measurement of penniesAn irregular sample of zinc has a mass of 23.21g. this sample is carefully placed in a graduated cylinder of water with an initial volume of 18.75mL. What is the final volume of the water and Zinc? The density of zinc is 7.14gcm3. a. 165.7mL b. 22.0mL c. 19.06 mL d. 3.25mL
- The Mass: The A block is :19.30kg The B block is : .40kg The C block is : 19:32kg The D block is : 5.00kg The E block is : 2.80kg Im confused on everything other than the mass. please help.11 11 10 10 9 - 0 9 8 8 7 T 7 6 6 5 1 5 ~Br 4 2 4 Alle 3 3 1 2 2 8 1 B 08. A student determines the density of a substance to be 1400 g/L. What is the % error if the accepted value of the density is 0.001360 kg/mL 2.9 0.029 -2.9 -0.029
- Write the following in Standard form 24 00000000 = 41020000000 = 71200 = 0.00326 = 0.000000 5913 = 0.000019 = 0.631 = 874000 = 150 = 290.2 =Part A 5100000 g 5.10×106g 5.1×106g 0.510×107g 0.51×107g 5.1×10-6g Part B 26000 s 2.60×104s 2.6×10 -4s 0.260×105s 0.26×105s 2.6×104s Part C 40000 mm 4.00×104m 0.40×105m 4.0×10-4m 0.400×105m 4.0×104mRound each number to four significant figures.a. 156.852 b. 156.842 c. 156.849 d. 156.899