Calculate the work available from the following reaction (in kJ) at 2.80 x 102 K. 2A(aq)...
Consider the following reaction at 298 K. 3 Cr3(a) Cr(s)>3 Cr(aq) Cr (aq) Which of the following statements are correct? Choose all that apply. E cell0 The reaction is reactant-favored. n 3 mol electrons Odelta Go0 Consider the following reaction at 298K. 2 Cr3+ (a Zn (s2 Cr2* (aq)+ Zn2* (aq) Which of the following statements are correct? Choose all that apply O K<1 cell 0 Odelta Go0 OThe reaction is product-favored On-5 mol electrons
Use the following data to calculate the Ka of carbonic acid at 253 K. H2CO3 (aq) <==> H+ (aq) + HCO3- (aq) A G° (kJ/mol) -623.2 Substance H2CO3 (aq) HCO3- (aq) H+ (aq) -586.8 0.00 Submit your answer in the following format: 1.23e4, use three sig figs
Question 2 of 10 > Attempt 1 Balance the following redox reaction in acidic solution using whole number coefficients. NO3(aq) +1,(s) — 103(aq) + NO2(g) In the balanced equation, what is the coefficient for NOZ? 5 2 10 Incorrect
For the reaction 4HCl(g) + O2(g)—>2H2O(g) + 2C12(g) AH = -114.4 kJ and AS°=-128.9 J/K The equilibrium constant for this reaction at 278.0 K is Assume that AH and ASº are independent of temperature.
The following reactions all have K> 1) C6Ho (aq)+ HF (aq)F (aa)C6HOH (aq) 2) C6H5O-(aq) + HNO2 (aq)- C6H5OH (aq) + NO2-(aq) 3) HF (aq)+NO2 (aq)HNO (aF (aq) Arrange the substances based on their relative acid strength. Clear All C6HOH HNO2 strongest acid NO2 intermediate acid HF weakest acid CoHGo not a Bronsted-Lowry acid
The combustion of octane, CsH18, proceeds according to the reaction x,H18(1) + 2502(g) -> 16C02(g) + 18H20(1) If 4.90 x 102 mol of octane combusts, what volume of carbon dioxide is produced at 36.0 °C and 0.995 atm? Number
Calculate AG° (kJ/mole) at 298 K for the reaction below: H2SO4(1) <H2O(1)+ SO3(g) K=2.07 x 10-12 Enter a number to 2 decimal places.
Calculate ΔG°(in kJ/mol) for the reaction NO2(g) +
H2O(l) --> HNO3(l) + NO(g).
(unbalanced)
Question 7 Calculate AG°(in kJ/mol) for the reaction NO2(g) + H2O(0) --> HNO3(1) + NO(g). (unbalanced) Substance AGF(kj/mol) NO2(g) 51.8 NO(g) 86.7 HNO3(0) -79.9 H2O(l) -237.2 Write answer to two significant figures and correct sign.
Calculate AH for the following reaction using the given bond dissociation energies. >co,g)+2H,0(g) AH° (kJ/mol) CHg)20,g) Bond 142 О-О Н-О 459 С-Н 411 799 O O 498 С-О 358 Number ΔΗ. kJ/ mol This reaction is endothermic exothermic
5. (12 points) For the following oxidation reduction reaction: Zn(s)+NO3 (aq) > Zn2*(aq) + N2(g) + H20 a. What are the oxidation numbers of the reactants and products? Oxidation Number in products Element Oxidation Number in reactants Zn N b. Write the balanced oxidation half-reaction and the reduction half-reaction. (in acid medium) Balanced oxidation half-reaction: Balanced reduction half-reaction: Write the balanced full reaction c.