At 87.0 C and 701 torr, calculate the number of moles and mass of 4.14 L of CH4 gas.
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At 87.0 C and 701 torr, calculate the number of moles and mass of 4.14 L...
2 attempts left Check my work At 82.7°C and 799 torr, calculate the number of moles and mass of 4.42 L of CH, gas. mol
calculate the number of moles of BaF2 in a 10.0g sample Experiment 9 Molar Mass of a Volatile Liquid 75 Date: Name: Experiment 9 Molar Mass of a Volatile Liquid Questions and Problems (May be assigned before or after the experiment, depending on your instructor.) (Show all calculations where appropriate.) 1. Show your work and convert: a) 25.0°C to K b ) 300 K to °C c) 750 torr to mm Hg KERST 25B 300-C+273.15 Ke 298.15 -273.15 24.85=0 d)...
answer all please 31. Calculate the number of moles and the mass of gas in 3.40 L of He at STP. A. 0.152 mol 0.608 g B. 76.2 mol. 305 g C. 0.152 mol, 0.0379 g D. 76.2 mol. 19.0 g E. 1.00 mol, 4.00 g 32. Calculate the number of moles in 95.0 g of O., and the volume that it would occupy at 80.0°C and 3.50 atm A 11.9 mol, 266 L B. 5.94 mol, 11.1 L C....
calculate the mass of sulfur dioxide gas at 212 C, 622 torr and a volume of 0.270 L
2.-Calculate the number of moles of CH4 in a 5.00 L cylinder if the temperature is 26.0°C, and pressure is 790. mmHg.
2. Calculate the number of moles of hydrogen gas generated if the cudiometer volume is 76.34 mL, the total pressure of H, generated over water is measured to be 755.0 torr, and the temperature is 22.0°C. (Pxo ar 22.0°C - 19.8 torr) (R = 62.36 L-torr/mol Kor 0.08206 L atm/mol K) 3. What is the percent yield of hydrogen gas if your answer from question 2 is the actual yield and your answer from question 1 is the theoretical yield?
Gas Laws Pre-Lab Name Section 1. Calculate the number of moles of hydrogen gas generated when 0.214 g of zinc reacts with hydrochloric acid Zn(s) + 2HCl(aq) --ZnCl (aq) +Hy(@) 2. Calculate the number of moles of hydrogen gas generated if the cudiometer volume is 76.34 mL, the total pressure of H, generated over water is measured to be 755.0 torr, and the temperature is 22.0°C. P o ar 22.0°C = 19.8 torr) (R = 62.36 L torr/mol K or...
Part A- Calculate the density of sulfur hexafluoride gas at 704 torr and 21 ∘C. Part B- Calculate the molar mass of a vapor that has a density of 7.125 g/L at 12 ∘C and 744 torr .
6. a. Calculate the density of sulfur hexafluoride gas at 709 torr and 23 C. b. Calculate the molar mass of a vapor that has a density of 7.125 g/L at 11 ∘C and 745 torr . c. Calcium hydride, CaH2, reacts with water to form hydrogen gas: CaH2(s)+2H2O(l)→Ca(OH)2(aq)+2H2(g) This reaction is sometimes used to inflate life rafts, weather balloons, and the like, where a simple, compact means of generating H2 is desired. How many grams of CaH2 are needed...
Constant R = 0.08206 L atm mol K 1. (1 pt) Convert 187.2 Torr to atmospheres. 2. (2 pts) Calculate the pressure of 1.64 mol of a perfect gas that occupies a volume of 21.4 L at room temperature (25°C). 3. (2 pts) What is the molar mass of a 28.0 g sample of a perfect gas that occupies a volume of 22.4 L at a pressure of 1.00 atm and at a temperature of 0°C? Name (print): Section No....