Given the equation below: 2 C8H18 + Density of Octane-0.7025-g/mL Molar mass of C8H18-114.23 g/mol Question 1 0₂ → 16 CO₂ + What mass of CO₂ will be produces for every gallon of gasoline used? H₂O

1. Draw the gas absorption tower with N = 10 (similar to the figure below, but you should draw your own; instead of n or N, you should have actual numbers). Label EACH AND EVERY liquid and vapor streams – flowrates and mole fractions with correct subscripts. 2. Write definitions for the following terms in your own words: V, y, L, x, L, x, V, y., VYNU n-1⁹ n-19 Xa I V₂ Y₂ = YN+1 V₁ = V₁ Ya = y1 Ln-1 Xn-1 Yn Ln Xn +Plate 1 Plate n- Plate n Vn+1 Yn+1 Plate n + 1 Plate N = LN Xb = XN

If you know pure nitrogen gas has a pressure of 1 atm, how many intensive degrees of freedom does your system have? choose the correct one. 1) 1 , 2) 0 , 3) 3,  4) 2

Question : A sample of a compound has a mass of 41.13 g. The sample is found to contain 37.28 g of carbon and 3.85 g of hydrogen. What is the percentage composition of the compound? 90.6% carbon and 9.4% hydrogen O9.4% carbon and 90.6% hydrogen O 13.3% carbon and 10.8% hydrogen 90.6% carbon and 4.7% hydrogen O 3.1% carbon and 3.8% hydrogen Question 4 Which substance contains the greatest amount (in moles)? 8 g of hydrogen, H2 28 g of nitrogen, N2 35 g of chlorine, Cl2 4g of methane, CH4 Question 6 How many grams are there in 0.0042 mol of sodium oxide, Na, 0? 0.26 g 0.16 g O26.1 g 0.0026 g 260 g Show transcribed data