5. To reach the escape velocity and beyond the rover needs a solid propellant. To my surprise the solid propellant most

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5 To Reach The Escape Velocity And Beyond The Rover Needs A Solid Propellant To My Surprise The Solid Propellant Most 1 (32.74 KiB) Viewed 24 times

5. To reach the escape velocity and beyond the rover needs a solid propellant. To my surprise the solid propellant most commonly used is ammonium perchlorate, NH.CO. in a binding material. 2,020 kg of solid propellant is used in one rocket that burns for 90 seconds. Have you wondered how many oxygen atoms are present in that sample? Molar mass NH.CO. = 117.49 g/mol. a. 1.035 x 102 atoms o b. 4.866 x 1080 atoms 0 C.4.141 x 10% atoms O d. 1.035 x 105 atoms O e. 4.141 x 10% atoms 6. Aluminum is frequently used to build electronics due to its low cost and low weight. The molar mass of aluminum according to the periodic table is 26.97 g/mol; a small car has a mass of 1200. Kg. How many moles of aluminum have a mass equal to the mass of a small car? a. 3.236 x 107 moles Al b. 1.85.4 x 105 moles Al C. 4.449 x 104 moles Al d. 44.49 moles Al