use the mass conservation principle to calculate the rate ( in g/mn) of water in
ID: 474235 • Letter: U
Question
use the mass conservation principle to calculate the rate ( in g/mn) of water input needed into an ideal electrolyze that generates hydrogen at a rate m=20g/mn, according to the reaction: 2. (co Use the mass conservation principle to calculate the rate (n gmm) of water input needed into an ideal electrolyzerthat genera reaction 2izo 2Hz+ ore. The molar masses of oxygen and hydrogen are approximately 16g and 1g, respectively (points 3) O 180 O 160 O 90 O 60 3. (CO2 How much time Tin minutes, will it take the steady-state reaction: K20+H20 2KOH to produce 4 Kg of potassium hydroxide (K glmn. The molar mass of potassium, K. is 39 g/mol. (Points 3) O 139.3 O 22.4 O 44.8 4- ITCO 2) Consider the unbalanced ethanol combustion reaction: CzHsoH x02 3Hzo +ycoa with an RO value of After balancing the re (n used in T 18 hours of a steady state combustion time and at an orkygen consumption rate of me 80 grmn Carbon molarmass is 12 gme 5. (co 2) Water enters and leaves a human body in an average day as shown in the following figure and accoding to the following water percenta breathing in air (9%) and out ar Which equation would you use to estimate the quantity of water accumulated in the body? Explain Define the diferent s of the water mass Calculate the net component situation gain (or loss) of water mass in thisExplanation / Answer
2.
Molar mass of H2 = 2 g/mol
Hydrogen, H2 generation rate = 20g/mn = 20 / 2 mol/mn = 10 mol/mn
2 H2O --> 2 H2 + O2
According to stoichiometry, molar rate of water input = molar rate of hydrogen generated
Molar rate of water input = 10 mol/mn
Molar mass of water (H2O) = 2 + 16 = 18 g/mol
a) Rate of water input = 10 * 18 = 180 g/mn
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