Consider the reaction:P4(s) + 6 H2( g) → 4 PH3( g)(a) If 88.6 L of H2( g), measured at STP, is allowed to react with 158.3 g of P4, what is the limiting reactant?(b) If 48.3 L of PH3, measured at STP, forms, what is the percent yield?

Given the following reaction and using the data in the table, determine the order of the reaction:2NO2(g)→2NO(g)+O2(g) Time (sec) [NO2 ] ln [NO2 ] 1/[NO2 ] 0 0.0100 -4.605 100 100 0.00648 -5.039 154 200 0.00479 -5.341 209 300 0.00380 -5.573 263 400 0.00315 -5.760 317 500 0.00269 -5.918 372 600 0.00235 -6.057 426   a. none of these b. second c. zero d. third e. first

The growth of baker's yeast (Saccharomyces cerevisiae) on glucose under anaerobic conditions can be described by the following equation:C6H12O6 + β NH3 → 0.59 CH1.74N0.2O0.45 + 0.43 C3H8O3 + 1.54 CO2 + 1.3 C2H5OH + 0.036 H2O a) Determine the value of the biomass yield coefficient YX/Sb) Determine the values of the yield coefficients in products YEtOH/S and Yglycerol/Sc) Calculate the value of the coefficient β

10. 22 moles of A and 10 moles of B are combined. The following reactions occur (only): 2A + B → C (the desired reaction) A + 2B > D (an undesired reaction) At the end of the reaction, 4.2 moles of C (the desired product) and 2.5 moles of D are generated. What is the selectivity of C if the undesired products are the moles of unreacted A and B and moles of D generated. A. 0.20 - 0.30 B. 0.31 - 0.40 C. 0.41 - 0.50 D. 0.51 - 0.60 E. 0.61 - 0.70