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- Convert the ideal gas constant 1.987 cal/ (gmol)(K) to Btu / (lbmol)(R) A. 0.89 B. 1.98 C. 3 D. 8.51. An electric power company sells electricity by the KWh (or 3.6x106J) at a price of Php 12.65 per KWh. Your family uses an electric water heater in your home especially during the cold months. Find the amount charged to your bill if you heat 75 kg of water from 15Celcius to 43 celcius to fill your bathtub.9. A parcel of air having a volume of 1.00 cm³ (1.00 x 10 m³) at a pressure of one atmosphere (1.01 x 105 Pa) is at a temperature of 300 K. Calculate the number of particles. Ans. 2.44 x 10¹⁹
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- If the temperature of the surface of the object is 745.1 K , then calculate its value in °F. a. 472.10 O b. 881.78 c. 1373.18 O d. 1800.58D. 2.3 x 10° J 30. What area is radiated in a 0.15 m radius iron ball? A. 0.283 m2 B. 0.071 m2 C. 0.30 m2 D. 0.028 m2 Determine the power performed by a 70-kg man up the stairs witHow much heat is needed to raise the temperature of 2 kg of water 5K? a. 41800J b. 42800J c. 43800J d. 44800J