Which of the following expressions has the smallest value. Write JUST THE LETTER. a. (-3)' b. (-30)° c. (-3) d. (-3)° 3. e.
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- One mole of Gold (Au) atom has a mass of 197 g. We know that the density of gold is 19.30 g/cm3 in room temperature. Using those numbers, answer the following questions: a) What is the mass of a single gold atom in kg? b) Assume that gold atoms sit in a perfect cubic crystal structure. Estimate the distance between two gold atoms in meters. c) If we have a gold cube of 6 cm on each side, how many atoms can we fit along the edge of each side of the cube? d) What would be the mass, in kilograms, of the gold cube we discussed in part (c) (measuring 6 cm on each side)?What is the value in letter B? A. 0.2295 m B. 0.1082 m C. 0.3246 m D. 0.1461 m14 please need help, keep in mind the 7 basic units and watch the sig figs thank you so much.
- Which one of the following is NOT a derived quantity? а. Volume b. Temperature C. Area d. Density2. Convert each of the following to three significant figures a) 20 Ib-ft to dyne · cm b) 45lb/ft³ to kN/m³ and c)15ft/sec to mm/s. (Note: Use the basic conversion factors, show your solution step by step).3. Find the derived units henry and farad in terms of basic quantities of the SI system.
- 34. The mass of a sample of nickel is 11.74 g. It contains A. 4.287 x 1022 atoms B. 1.205 x 1023 atoms C. 1.174 x 1023 atoms D. 1.869 x 1023 atoms E. 3.256 x 1023 atomsII Consider Figure 1. If it is known that TA = 70.348 meters; Stand I: BTA = 1, 675; BT1 = 1,943; Stand II; BT1 = 0.957 BTB = 2.321; Then, the height of point B is: %D1. Which of the following below is equivalent to 50.0 μC : a. 5.0 x 10 -6 C b. 5.0 x 10 -5 C c. 50.0 x 10 -5 C d. 500 C e. 5000 C