Please do questions 7-9 thanks

3 tejeda (ht7437) - PHY1_Spring Final A (Part 2) 22-23 - tejeda - (LorysJPHY1) 007 10.0 points 6. 17.2836 A container of volume 0.84 m' contains 3.2 mol of argon gas at 33.C. 7. 27.498 Assuming argon behaves as an ideal gas, find the total internal energy of this gas. The 8. 16.8197 value of gas constant is 8.31451 J/mol . K. 9. 33.8667 1. 10380.5 J 10. 39.0698 2. 11601.7 J Answer in units of N. 009 10.0 points 3. 9769.88 J A lake contains approximately 6.74 x 10" kg of water. 4. 12212.4 J What is its heat capacity? The specific heat of water is 1000 cal/kg . C. 5. 15265.4 J 1. 6.74 x 109 cal/C 6. 14654.8 J 2. 4.72 x 10 cal/C 7. 10991.1 J 3. 5.39 x 105 cal/C 8. 13433.6 J 4. 7.08 x 10% cal/C 9. 15876.1 J 10. 12823.0 J 5. 5.73 x 10 cal/C 008 10.0 points 6. 4.04 x 108 cal/C The small piston of a hydraulic lift has a cross- sectional area of 3.81 cm and the large piston 7. 6.07 x 10 cal/C 270 cm. What force must be applied to the small piston for the lift to raise a load of 2.4 kN? (In 8. 4.38 x 10 cal/C service stations, this force is usually exerted by compressed air.) 9. 6.40 x 10 cal/C 1. 25.7705 10. 5.05 x 10 cal/ C 2. 14.0392 3. 38.6618 010 10.0 points A large spool is pulled across a level table- 4. 26.4 top by a constant force applied to a string wrapped tightly around the inner part of the 5. 21.0359 spool