3. What will be the equilibrium temperature when a 600-g block of copper (C-390 J/kg-°C) at 300 °C Is placed in a calori

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3 What Will Be The Equilibrium Temperature When A 600 G Block Of Copper C 390 J Kg C At 300 C Is Placed In A Calori 1 (36.1 KiB) Viewed 30 times

3. What will be the equilibrium temperature when a 600-g block of copper (C-390 J/kg-°C) at 300 °C Is placed in a calorimeter cup containing 250-g of water (C=4186J/kg-°C) at 10.0°C? a. 63.0°C b. 50.3 °C c. 45.7 °C d. 136.7 °C 4. One mole of oxygen is at a pressure of 6 atm at 27.0°C. If the gas is cooled at a constant volume until the pressure reduces 2 atm, what is the final temperature? (1 atm = 1.013 x 10 Pa) a. 627 °C b. 900 °C C. 9.00°C d. 173 °C 5. A body moving with a uniform acceleration has a velocity 12 m/s when its x coordinate is -3.86 m. If x coordinate at 2.66 s later is 2.62 m, what is x component of its acceleration? a. 9.37 m/s? b. 8.867 m/s? c. 7.19 m/s2 d. 10.85 m/s? . 6. Jenny drives on a straight road from an initial position; Xo = - 40.0 km, after reaching a position of x=-120 km, she then returns and stops at the position X2 = 30 km. What is her total distance traveled? a. 70 km b. 230 km c. 110 km d. 130 km