Reading Check_Unit5 (1)

Question 6. THIS IS NOT FOR A GRADE! **It's a practice exam with the answer posted with it!** I just need help with the concept please explain

____GaF3  + ___Cs-->  ____CsF  + ____Ga     A. (2,2,3,1)   B. (1,3,2,1)   C. (1,3,3,1)   D. (2,3,1,3)   E. (1,2,3,1)

True/False Indicate whether the statement is true or false. (2 marks) 1. A reaction XY occurs in a closed vessel. When it reaches equilibrium at temperature T, the number of molecules changing from X to Y is equal to the number of molecules changing from Y to X. (EQ1.1) 2. In an exothermic reaction, an increase in temperature favors the formation of products. (EQ1.6) Multiple Choice Identify the choice that best completes the statement or answers the question. (10 marks) 1. Under suitable laboratory conditions, the products of many chemical reactions can be made to directly react to re-form the reactants. Such reactions are described as (EQ1.1) a. dynamic. b. stressed. c. reversible. d. catalyzed. 2. The state of chemical equlibrium exists when (EQ1.1) a. one of more of the products is a gas or a solid. b. products of a reaction recombine to form reactants. c. concentration of reactants and products are equal. d. forward and reverse reaction are occurring at the same rate. 3. Which is…

T₂ H(T₂) = H(T) + [²C,dT T₁ T₂ A‚H°(T,) = A‚H°(T; ) + √„ª ACT (2C.6) Kirchhoff's law (2C.7a) P T₁ - Σ vcom - Σ vco AC = Σ VC - p,m Products Reactants p,m (2C.7b) 14. 14.1 14.2 14.3 Equation 2C.6 (prescribed textbook) can be written for both the reactants and the products. The difference between the resulting expressions is the Kirchhoff's law in 2C.7a (prescribed textbook). Write the reaction equation for the formation of cyclohexane, C6H12(e). Use equation 2C.7b (prescribed textbook) and the data in Resource section to calculate the difference of the molar heat capacities. [5 sig. fig.] Use Kirchhoff's law to calculate the standard enthalpy of formation of cyclohexane at 400 K from the data in Resource section. [5 sig. fig.]

Ili 回85 2' 4 0O in 6 8. 7. 4. 3. $4 23 & IIO Moʻh +(9 CaF2(s) + + (6)!S CaSiO3(s) + If the coefficient equals 1, add "1" in the provided box. Write a balanced equation for the following by inserting the correct coefficients.

5.74 (c) and (d)

3. Use the equilibrium constants for reactions 1 and 2 to calculate Kc for reaction 3. (5 pts) Reaction 1: A3+(aq) + 3B-(aq) = AB3(s) Kc = 2.5 × 1025 Reaction 2: H*(aq) + B-(aq) = HB(aq) Kc = 8.2 × 108 Reaction 3: AB3(s) + 3H*(aq) = A³*(aq) + 3HB(aq) Kc = ?

Write the structures or molecular formulas of the possible reactants or productsWrite the structures or molecular formulas of the possible reactants or products.

Answer the number 2 only.

1.6 Complete the following reactions HO NCHE322 OTS Et Ph OH HOOH H₂SO OH H Et Ph OH OH HCl(aq) H₂SO4 NaOH H₂O* 1. NH₂OH 2. H₂SO4 osh H₂SO4 [1,2]-shift KO tert-Bu in tert-BuOH "NH, NaOH, Br, H₂O

2. Goal: 2N2 + 502 --- 2N205 Given: a. H2 + 02 --- H2O AH = - 285. 8 KJ AH = -76.6 KJ b. N205 + H2O - 2HNO3 --- c. N2 + 302 + H2 -- 2NHO3 AH = -348.2 KJ -

Suggest pairs of reactants you could use in double replacement reactions to synthesize the compounds below. Include sufficient detail to make it clear how the product would be isolated (e.g. mix equal molar solutions of A and B, filter, evaporate the filtrate). Appendix 3 might be useful for this exercise. (6 points) a. calcium oxalate b. lithium iodide c. strontium acetate

47:53 1/858 0.10 A 5-year $1000 par - value bond makes annual payments and sells at a price of $1200. The YTM for the bond is 10%. What is the coupon rate? A) 10.8% B ) 11.1% C) 12.5% D -5 ) 14.7% 1200 = CP(1-(1.1)" 1000 -)+ E 0.1 (1.1)5 ) 15.3% 1200 = CP + 624.71 Cr = 575.29 575.29 = 1000*

2,3,4

Given the following data: Pals) 6 Cl2(g) → 4PCI3(g) AH = -1225.6 kJ Pals) 5 O2(9) > P4010(5) AH = -2967.3 kJ PCI3(9) Cl2(g) → PCI5(g) AH = -84.2 kJ PCI3(g) Oz(g) → CI3PO(g) AH = -285.7 kJ 2 Calculate AH for the reaction P.O10(s) + 6 PCI5(g) → 10 CI3PO(g)

11

The graph below shows approximate plots of lnP vs. T-1 for three compounds: methanol (CH3OH), methyl chloride (CH3Cl), and propane propane (C3H8), where P is the vapor pressure of the liquid. Match the lines with the compounds. A) A = propane, B = methanol, C = methyl chloride B) A = methyl chloride, B = methanol, C = propane C) A = propane, B = methyl chloride, C = methanol D) A = methanol, B = propane, C = methyl chloride E) A = methanol, B = methyl chloride, C = propane

Question 11. THIS IS NOT FOR A GRADE! **It's a practice exam with the answer posted with it!** I just need help with the concept please explain

Given: 2CO2(g) co(g) + O2{g) ; Kc= 26, N2(g) + 3H2(g) 2NH3(g); Кс- 2 х 10-5, determine the Kc value for: a) CO2(g) CO(g) + ½ 02(g) b) 2NH3(g) N2(g) + 3H2(g)

Please answers number 1-4 along with the with the correct solving of how you got the answers, I'm still confused on these.