gure 3-7 shows the IR spectrum of a compound with rmula C9H10O. This compound has Select] of units of unsaturation. A asonable structure would be Select]

An object will sink in a liquid if the density of the object is greater than that of the liquid. The mass of a sphere is  9.83 g. What is the minimum volume needed so that the sphere will sink in liquid mercury (density = 13.6 g/cm3).   Select one or more: a. 134  b. none of the above c. 1.38  d. 7.48  e. 0.723

7. A student calculates the density of a lead cylinder to be 10.3 g/cm3, but the actual density of lead is 11.3 g/cm3. What is the percent error of their measurement? a. 9.7% b. 8.8% c. 91.2% d. 90.3%

A liquid has the mass of 122 oz and density of 5.66 g/ mL. Calculate the volume in mL.  A.) 616 mL. B.) 16.3 mL. C.) 125 mL. D.)  5.21 mL.

Is this correct for this problem 7926 (4 sig figs) 6.4 926.381 Not sure how I would express it in scientific notation

Match the correct prefix with the factor. A. 103 B. 109 C. 10-9 D. 10-2 V C E. 10-3 F. 102

7. 12.0 mL of A weighs 10.8 g; and 16.0 mL of B weighs 14.4 g. A. A has a higher density than B. B. B has a higher density than A. C. A and B have equal densities. D. There is insufficient information to answer this question.

A. Type the number 1340000 in scientific notation. B. Type the number 0.000354 in scientific notation. C. Type the number 3.14×103 in standard notation.

The Sl units of the Joule are a kg? . m².5-1 Ob. b.kg - m2.52 c. kg · m d. kg2 . m e kg m-s2 Od.