Sustained attention is defined as The ability to concentrate on relevant stimuli and ignore task-irrelevant stimuli in the environment. The amount of information one can remember and attend to for a short time. The ability to maintain a persistent focus of attention over time on unchallenging, uninteresting tasks or activities or when fatigued. An initial reaction to a stimulus and...
You are given a steel vessel containing a mixture of methane gas (CH4 (g)) and propane gas (C3H8 (g)). You completely combust this entire mixture in the presence of excess oxygen gas, and you collect all of the carbon dioxide and water formed in the combustion reaction. A total of 48.4 grams of CO2 and 32.4 grams of H2O are...
please show your work 13) At a certain temperature the equilibrium constant, Ke equals 0.11 for the reaction: 13) 2ICI(g) 12(8)+Cl2g). What is the equilibrium concentration of ісі if 0.75 mol of 12 and 0.75 mol of Cl2 are initially mixed in a 2.0-L flask? (Use the initial concentrations to calculate the equilibrium concentration) A) 0.23 M B) 0.45 M...
eneral Chemistryth Edkion rsity Science Books presented by Baping Leaming Consider the reaction descrlbed by the following equation The rale law is rate A[C,H,Br. w where k 448 x 10 M What are the missing entries in the following table? Initial rate of formation Run IC2HBr2b (M) (M ofC(Ms) 20.246 30.246 0.2460.00108 0.000542 0.246 Number Number Number M-s
I think I figured this out. It would still be nice if somebody could confirm my answer. H2 = 0.0604 Cl2= 0.0604 HCl= 0.62925 12. The equilibrium constant for the reaction: H2(g) Cl2(g) + is = 2.08 x 102. Îf the initial concentration of HCI(g) is 0.785 M (and it is initially the only gas present), what are the equilibrium...
What is substrate concentration, expressed as a multiple of Km, when an enzyme reaction is observed to have an initial rate Vo = 0.75 Vmax. Select one: O a. [S] = 0.33 x km O b. [S] = 0.25 km O c. [S] = 0.75 x Km O d. [S] = 0.3 x km O e. [S] = 0.5 x...
The rate constant for the gaseous reaction H2(g) + I2(g) → 2HI(g) is 2.42 × 10−2/(M·s) at 400°C. Initially an equimolar sample of H2 and I2 is placed in a vessel at 400°C and the total pressure is 1690 mmHg. (a) What is the initial rate (M·min) of formation of HI? (__________) (b) What are the rate of formation of...
A solution is prepared that is initially 0.47 M in ammonia (NHZ), a weak base, and 0.43 M in ammonium bromide (NH Br). Complete the reaction table below, so that you could use it to calculate the pH of this solution. Use x to stand for the unknown change i You can leave out the M symbol for molarity. [x4]...
C) in a semibatch reactor. The feed stream 3. (10 pts.) Consider an elementary liquid-phase reaction (A+B containing B with a constant concentration (CBo) and a constant flow rate (Do) is slowly fed to a reactor containing pure A with an initial concentration (CAo). Derive three differential equations for the mole balances of A, B, and C. Please provide the...
Consider the first-order conversion of reactant A to product B as follows: A ⟺ B. If k1 is equal to 0.16 s-1 and k2 is equal to 0.03 s-1, then what will be the velocity of the forward reaction (vf) when equilibrium is reached? Assume that the initial concentration of reactant A is 1.08 M. Recall that vf (at equilibrium)...