8. 40 g of benzene is mixed with 125 g of bromine. Which is the limiting reagent according the chemical reaction be...
8. 40 g of benzene is mixed with 125 g of the chemical reaction below? which is the ming i ng C6H() + Br() - C.HBr() + HBe(g) Benzene Bromine Bromobenene Hydrogen bromide
Question 2: Consider the production of bromobenzene from benzene and bromine The reaction mixture contains 45.7 g of Benzene and 89.7 g of bromine. a) Which compound is the limiting reactant? b) What is the theoretical yield for bromobenzene? c) You conduct the experiment and you obtain 76.3 g of bromobenzene. What is the percent yield?
Question #: 28 Hydrogen and bromine react to form hydrobromic acid according to the reaction H2(g) + Br2(g) + 2 HBr(g) Kc = 2.18 x 106 at 730. °C. What is the equilibrium concentration of HBr if the initial concentrations of hydrogen and bromine are both 0.500 M? A. 1.21 M B. 0.262 M C. 0.408 M D. 0.999 M
7. Below is the electrolysis of aluminum oxide. How many grams of aluminum oxide is needed to make 60.0 g of aluminum? Al2O3(s) electrolysis Al(s) + O2(g) SAL2O3 HAL+. 302 60g . 26.98 -2.22 2.22. 1. 11 mol x101.96 = 1.13 40 g of benzene is mixed with 125 g of bromine. Which is the limiting reagent according nhamical reaction below?
Question 20 Carbonyl bromide decomposes to carbon monoxide and bromine according to the following reaction. COBr2(g) e2 CO(g) + Br2(g). A H = 30 kJ Which one of the changes below would cause the equilibrium to shift to the left? o'a. Decrease the container volume b. Increase the temperature C. Remove some Br2 d. Decrease the pressure e. Add some COBr2(g) Question 19 Find the pH of a 0.135 M aqueous solution of hypobromous acid (HOBr), for which Ka =...
9. The following equilibrium is endothermic. In the box below, show how the reaction will shift response to the indicated stress by writing →., or no shift. 30,(8) 203(g) Stress Equilibrium shift? Increase O2 concentration Add heat Add a catalyst Cool reaction Benzene Bromine Bromobenzene Hydrogen bromide
34) What is the “limiting reagent” in a chemical reaction? Assuming 2 reactants, explain how to calculate/determine the limiting reactant. What is always true and why? 40) Place the following sets of elements in order of increasing size and Explain why they're in that order. [Al, P, Na, Ar], [I, Cl, F, Br] (these are 2 different sets.) 19) Lead and Carbon are in the same column and therefore have the same number of valence electrons. If the electron configuration...
5. Benzene reacts with oxygen by the following balanced chemical reaction. 2C6H6(g) + 15 O2(g) → 12 CO2(g) + 6 H2O(g) If 55.0 grams of O2 is reacted with an excess of C6H6 (O2 is the limiting reagent), how many grams of CO2 are produced and how many grams of H2O are produced? (5 points per answer, 10 points total) Grams CO2 Grams H2O cena DOT
Which of the following would be the limiting reagent in the reaction shown below? There are 50 molecules of O2 and 50 molecules of H2. 2H2(g) + O2(g) ==> 2H2O(g)
7. What is a limiting reagent? The substance that is to when the chemical reaction that is totally hemical reaction consumed is complete. 8. How many moles of salicylic acid many moles of salicylic acid are there in 5.0 grams? Show all your work. Moles = x grams=5.ograma CyH603 (-128 moles 12 H6VI olor Moss 0 - 10X3 138 g/mol Moles= 5.ograme -0.0362 moles) 1389 Imolt 9. What is the mass of 10.0 mL of acetic anhydride? Show all your...