Which alcohol is used in beverages?
a. 2-Propanol
b. Ethylene glycol
c. Ethanol
d. Methanol
c
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A(n) ____ orbit is one where the orbiting object is always above the same location on Earth's surface
a. closed b. elliptical c. geosynchronous d. hyperbolic e. parabolic
A skier, of mass 60. kg, pushes off the top of a frictionless hill with an initial speed of 4.0 m/s. How fast will she be moving after dropping 10. m in elevation?
A) 0.20 km/s B) 15. m/s C) 10. m/s D) 0.15 km/s E) 49. m/s
Write the number 0.00056 in power of ten notation
A) 5.6 × 10-5 B) 5.6 × 10-4 C) 5.6 × 10-3 D) 5.6 × 10-2 E) 5.6 × 10-1
100 grams of liquid nitrogen at 77 K is stirred into a beaker containing 200 grams of 5°C water. If the nitrogen leaves the solution as soon as it turns to gas, how much water freezes? (The heat of evaporation of nitrogen is 6.09 cal/gram and the heat of fusion of water is 80 cal/gram.)