
A) If ΔH = -70.0 kJ and ΔS = -0.400 kJ/K , the reaction is spontaneous below a certain temperature. Calculate that temperature. Express your answer numerically in kelvins. B) Glacial acetic acid is the concentrated form of acetic acid, the acid in vinegar. The term "glacial" refers to the appearance of the solid form, which resembles ice-like crystals. What is the melting point of this compound, in degrees Celsius, based on its thermodynamic data shown here? ΔHfus (kJ/mol) ΔSfus...
In the first order reaction A---> products, [A] = 0.400 M initially and 0.250 M after 15.0 min. What is the value of the rate constant, k?
What are the units of he Rae constant, k, for a third order reaction?
The rate constant for this second-order reaction is 0.400 M-'.5' at 300 °C. A products How long, in seconds, would it take for the concentration of A to decrease from 0.770 M to 0.360 M? R. T U T O P F G H J K L NM <
For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. For the reaction 2NO(g)+O2(g)↽−−⇀2NO2(g) the standard change in Gibbs free energy is Δ?°=−72.6 kJ/mol . What is ΔG for this reaction at 298 K when the partial pressures are ?NO=0.500 atm , ?O2=0.400 atm , and ?NO2=0.750 atm ?
ng Man Edge O NO 0NO El Reaction Coordinate
1)The rate law of a reaction is rate =k[X]³. The units of the rate constant areL mol-1 s-1mol² L-2 s-1mol L-1S-2L² mol-2 s-1mol L-1S-12)Given the following rate law, how does the rate of reaction change if the concentration of Z is tripled? Rate =k[X]³[Y]²[Z]⁰The rate of reaction will increase by a factor of136803)What data should be plotted to show that experimental concentration data fits a first-order reaction?1 / [reactant] vs. time[reactant] vs. timeln (k) vs. Ealn (k) vs. 1 / Tln [...
questions 1 & 2
1. The following reaction occurs at 419 K. kpke (RT 3X(g) + 2Y(g) = 2(g) Kc = 0.0758 M-2 R3.0821 Lam Calculate Ke 2-12+2) = -2 .0758 M-2 1.0821 latm mol'k'x [6.418105 kpl 2/At a certain temperature, the equilibrium constant, K., for this reaction is 53.3P H2(g) + 12(g) 2HI(g) K = 53.3 At this temperature, 0.400 mol of H2 and 0.400 mol of 12 were placed in a 1.00-L container to react. What concentration of...
What is the concentration in the entire zooplankton in units of ng/g fresh weight, if the zooplankton has a lipid content of 5 % (w/w)?
For a gaseous reaction, standard conditions are 298 K and a partial pressure of 1 atm for all species. For the reaction C2H(g)H2(g)2 CH (g) 4 the standard change in Gibbs free energy is AG° -69.0 kJ/mo. What is AG for this reaction at 298 K when the partial 0.400 atm, PH Рс,н, 0.450 atm, and PCH, = 0.600 atm? pressures are kJ/mol AG =