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- (a) If the partial pressure of water vapor is 8.05 torr, what is the dew point? (760 torr = I atm 101, 325 Pa) (b) On a warn day when the air temperature is 35 and the dew point is 25 , what are the partial of the water in the air and the relative humidity?A construction worker uses a steel tape to measure the length of an aluminum support column. If the measured length is 18.700 m when the temperature is 21.2C, what is the measured length when the temperature rises to 29.4C? Note: Dont neglect the expansion of the tape.Inside 1. How much taller (in m) does the Eiffel Tower become at the end of a day when the temperature has increased by 11°C? Its original height is 324 m and you can assume it is made of steel. Ans: 0.043m
- 1. Radiation makes it impossible to stand close to a hot lava flow. Calculate the rate of heat transfer by radiation from 1.5 m² of 1198 deg C.fresh lava into 30 deg C surroundings, assuming lava's emissivity is 1.2. o=5.67x10-8 J/(s m² °C) Use the sign convention for heat leaving or entering the system. ✔KW.A 3.00-kg copper rod is 45.0 cm long at 24.8°C. If 45 000 J are transferred to the rod by heat, what is its change in = 387 J/kg °C and acopper -= 17.0 × 10-6/°C. ength? Ccopper a. 34.4 cm b. 0.0297 cm c. 0.133 cm d. 0.0445 cm e. More information is needed.3. A closed rigid container has a Volume of 1 m3 and holds air at 344.8 kPa and 273 K. Heat is added until the temperature is 600 0K. (Rair = 0.287 kJ/kg K), (kair = 1.4) a.) What is the final temperature? b.) What is the mass of air?
- If the temperature of the surface of the object is 565.1K, then calculate its value in °F. O a. 557.78 O b. 292.10 Oc. 1049.18 O d. 1476.584. A news report says weather in Jebel Shams reaches a minimum temperature of -4°C. What is the value in kelvin (K) and Fahrenheit scale (°F)? dwith tho function y(x t) = (0.25m)cos(0.30m-x-0.90s-t+n/3). Find7. An insulated container has 40.0-g of water at 70.0°C. How much as at -5.00°C needs to be added to bring the system to 25.0°C?
- QUESTION 22 8.00 g of ice at 0.0000 C is added to 240 mL of hot coffee at 90.00 C in a thermos. What is the final temperature of the mixture when thermal equilibrium is attained? Some useful infrormation: Cwater = 1.00 cal/g°C, and Lfwater = 80.0 cal/g. а. 63.40 с b. 89.00 C C. 70.3° C d. 94.3° C е. 84.50 CIf the temperature of the surface of the object is 501.1 °F , then calculate its value in К. O a. 569.17 O b. 533.61 О с. -12.39 O d. 378.586) Use the 3 relations (equations) below to relate T(°F) to T(°C). Then, find out, at what temperature a Fahrenheit and a Celcius thermometer would read the same numerical value. T(°R) = 1.8T(K) T(°C) = T(K) – 273.15 T(©F) = T(°R) – 459.67 %3D