Use the conversion factors: 1 ft = 7.48 gallon 60 min = 1 hr 1 psi = 6869.491 Pa Convert the units. 57 min 1.8E-5 psi fr "K hr Pa gallon "K 57 min psi x psi Pa ga f "K 60 s3
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- How many moles of gas are in a bike tire with a volume of 2.00×10 – 3 m3(2.00 L), a pressure of 7.00×105 Pa (a gauge pressure of just under 90.0 lb/in2 ), and at a temperature of 18.0ºC ?-A piece of stone weighs 0.05 pounds. When it is submerged in a graduated cylinder containing 50 ml of water, the level rises to 60 ml. What is the density of stone in g/ml. Ans 2.27 g/ml -The temperature at which mercury freezes is -35°C. What temperature in degrees Fahrenheit at which a mercury thermometer cannot be used? Ans. -31 °FA drum 0.5 ft in diameter and 45 inches long contained acetylene at 350 psia, 90 0F. After some of the acetylene was used, the pressure was 200 psia and 85 0F. a) determine the amount of acetylene that was used (lb m ). b) What volume would the used acetylene occupy at 14.7 psia, 80 0F (ft3 ) ? R for this gas is 59.35 ft-lbf /lbm-R. (Please show complete solution and round off all final answers to the 4th decimal)
- Monica is a volleyball player. Results from her UWW give you these data: MA = 172 lb Height = 6 ft 1 in. RVA = 1.86 L Water temperature = 37.8 °C Tare weight = 2 kg MW = 5.32 kg Use those results to calculate her %BF.An expensive vacuum system can achieve a pressure as low as 1.33 x 10-7 N/m2 at 28°C. How many atoms are there in a cubic centimeter at this pressure and temperature? 42563891.55 x atoms Additional Materials CS Scannewith CamScanner Rea tingSolve the given problem. Problem: A 0.50 mole of a gas occupies a volume of 0.250 L at 27°C. Find the pressure applied on the gas sample. Select the correct response: о 49.28 тmHg о 0.06 тmHg O 600.3 atm O 0.06 atm
- Compute the density of a substance if its pressure and temperature are 350 kPa absolute and 20 °C, respectively. The gas constant of the substance is 0.462 kPa-m/kg-°K.The gauge pressure in your car tires is 2.25 × 105 Pa at a temperature of 35.0°C when you drive it onto a ferry boat to Alaska. What is the gauge pressure of the tires, in pascals, later when the temperature has dropped to -40.0°C? Assume the volume of each tire does not change. Answer is not: " P2 = 1.7 * 10( 5 )|Pa" You may have used the gauge pressure in your calculation. Don't forget that the question is about the new gauge pressure not the absolute one.How many moles of gas are in a bike tire with a volume of 2.00 X 10-3 m3 (2.00 L), a pressure of 7.00 X 105 Pa (a gauge pressure of just under 90.0 lb/in2), and at a temperature of 18.0oC?
- A cylinder of gas at room temperature (20°C) has a pressure p1. To what temperature in degrees Celsius would the temperature have to be increased for the pressure to be 1.2p1?Q7. The pressure is 1642 bar and 1 meter below the surface of a water-filled tank is: what is the density? h = 3 m g = 9.81 m/ s2 °K = °C + 273°,/ P1 T2 = P2 T1,/ Q= (M) X (Cp) x (AT),/ P =p xh x g °C = oK – 273,/ °C 5/9 x (°F- 32),/ °F = 32° + 9/5 °C,/ PE = m x g x h,/ Ek = ½ mv2For most gases, volume expansivity is 6.0249 × 10^23 * False O True