Need answers to these questions

8. There are 7.1 1x10 molecules in 100.0 cm of a certain substance. . What is the number of molecules in 1.09 cm3 of the substance? 1x10 b. What would be the number of molecules in 2.24 x 10" cm of the substance? X10 c. What number of molecules are in 9.01 x 10" em" of the substance? X10 9. The number of transistors on a particular integrated circuit is 3 578 000, and the integrated circuit measures 9.5 mm x 8.2 mm. a. What is the area occupied by each transistor?X10 b. Using your answer from (a), how many transistors could be formed on a silicon sheet that measures 353 mm x 265 mm?] X10 10. A solution has 0.0501 g of a substance in 1.00 L. Express this concentration in grams per microliter. X10 1 1. Cesium atoms are the largest of the naturally occurring elements. They have a diameter of 5.30 x 10 m. Calculate the number of cesium atoms that would have to be lined up to give a row of cesium atoms 2.54 cm (I in.) long. X10 12. The neutron has a volume of approximately 1.4 x 10* m m' and a mass of .675 x 10 g. Calculate the density of the neutron in g/m . What is the mass of 1.0 cm of neutrons in kilograms?[ X10 13. The pits in a compact disc are some of the smallest things ever mass-produced mechanically by humans. These pits represent the /s and Os of digital information on a compact disc. These pits are only 1.6 x 10" m deep (1/4 the wavelength of red laser light). How many of these pits would have to be stacked on top of each other to make a hole 0 305 m deep? X10 14. 22 400 mL of oxygen gas contains 6.022 x 10 oxygen molecules at 0"C and standard atmospheric pressure. a. How many oxygen molecules are in 0.100 mL of gas? X10 b. How many oxygen molecules are in 1 00 L of s? X10 c. What is the average space in milliters occupied by one oxygen molecule? [ (10 . The mass of the aun " 10 ke, and there are 6 500 000 000 peor allowing values *10