1. Predict the sign of ASº, if possible, for each of the following reactions. (a) 2503...
Predict whether AS for each reaction would be greater than zero, less than zero, or too close to zero to decide. Clear All H2(g) + Cl (9)— 2HCl(g) 2503(9)_ 2802(g) + 02(9) AS > 0 CH_(g) +202(g)—— CO2(g) + 2H20 (9) AS <0 2CO2(g) + 5H2(g) → CH2(g) + 4H2O(g) too close to decide CaCO3(s) ºCaO(s); CO2(g) For which of the following reactions is AS'>0. Choose all that apply. NH4Cl(s) + NH3(9) + HCl(9) H.CO(g) + O2(g) + CO2(g) +...
Redox and Non-Redox
Reactions
Redox and Non-Redox Reactions For each of the following reactions, answer: True or False? -- "This is an oxidation-reduction (redox) reaction." C Au(s) + 3HNO3(aq) + 4HCl(aq) + HAUCl4(aq) + 3NO2(g) + 3H20 (1) AgBr(s) + 2Na2S2O3(aq) - Na3Ag(S203)2(aq) + NaBr(aq) 4Br2(aq) + H2S2O3(aq) + 5H20(1) - 8HBr(aq) + 2H2SO4(aq) 2H2CrO4(aq) —+H2Cr2O7(aq) + H20(1) 3H20(1) + P4(s) + 3KOH(aq) — 3KH2PO2(aq) + PH3(g) Cao(s) + CO2(g) + CaCO3(s) Hg2Cl2(s) + 5HNO3(aq) → 2Hg(NO3)2(aq) + HNO2(aq) +...
Question 1 For which one of the following reactions is ASº negative? Not yet answered Marked out of 1.0 Select one: O a. 2 IBr(g) → 12(s) + Brz(1) P Flag question O b. 3 H2(g) + Fe2O3(s) → 2 Fe(s) + 3 H2O(g) O C. 2 NO2(g) → N2(g) + 2 O2(g) O d. C6H6(s) → C6H6(1) o e. (NH4)2CO3(s) → 2 NH3(g) + H2O(g) + CO2(g)
For each of the following unbalanced equations, calculate how many grams of each product would be produced by complete reaction of 14.2 g of the first reactant. (a) CO2(g) + H2(g) → CH4(9) + H20(1) CH4 4.9.) 14.2 x g H20 49 11.618 X Check the number of significant figures. g (b) TiBr4(9) + H2(g) → Ti(s) + HBr(9) Ti 4.9.169.9 X 9 HBr 4.9) 1011.37 x g (c) NaOH(s) + CO2(g) → Na2CO3(s) + H20(1) Na2CO3 407 H20 49...
2. Predict the sign of ASsys for each of the following reactions. Write "positive" or "negative". a. PСls (s) → PCI; (1) + Cl2 (g) b. CH4 (g) + 2 O2 (g) → CO2 (g) + 2 H20 (1) c. Mg(s) + Cl2 (g) MgCl2 (s). d. CH1206 (8) + 602 (g) 6CO2 (g) + 6H20 (g)
1. Predict whether the entropy change for each of the following reactions will have a positive value or a negative value. Calculations are not necessary! (a) CH4 (g) + H2O (g) → C2H5OH (g) (b) 2 NO2 (g) → 2 NO (g) + O2 (g) (c) A1203 (s) + 3 H2 (g) → 2 Al(s) + 3 H2O (1)
1. Determine if each of the following reactions is a redox reaction, or is not a redox reaction. a. C4H8 (g) + O2 + H20 (g) + CO2 (g) b. HCl (aq) + NaOH (aq) → H20 (1) + NaCl (aq) c. Fe2O3 + H2 → Fe + H2O d. Cu (s) + HNO3 (aq) → Cu(NO3)2 (aq) + NO2 (g) + H20 (1) e. CzHe(g) + 5 O2 (g) → 3 CO2 (g) + 4 H20 (g)
5) The Keq for the equilibrium below is 0.112 at 700.0°C 902 (8) 2020) 2503 (8) What is the value of Keq at this temperature for the following reaction? 1502(e) +40268) 2.03 (8) A) 5.60 x 10-2 B) 3.35 x 10-1 C) 1.79 101 D) 0.112 E) 2.99 6) The addition of HCl and to water produces a buffer solution. A) KOH B) HNO3 C) NH3 D) HC6H5OE) KNO3 7) The rate law for a reaction is ratek[A][B] Which one...
2. Calculate ASº for the following reactions, using standard entropy values from Appendix C. a. 2Ca(s) + O2(g) → 2Ca0(s) b. C2H4(g) + 302(g) → 2002(g) + 2H,0(9) Data Table Trial 1 Value 8.50 g 100 ml (0.1 L) 21 Deg C 18 Deg C Measured or calculated Quantity Mass NaNO3 weighed out Volume H2O (L) (NaNO3) M Moles of NaNO3 Temperature initial Temperature Final AT (Tf-TI) q of the solution q of the coffee cup qof NaNO3 dissolution AH...
2. Calculate ASº for the following reactions, using standard entropy values from Appendix C. a. 2Ca(s) + O2(g) → 2Ca0(s) b. C2H4(g) + 302(g) → 2002(g) + 2H,0(9) Data Table Trial 1 Value 8.50 g 100 ml (0.1 L) 21 Deg C 18 Deg C Measured or calculated Quantity Mass NaNO3 weighed out Volume H2O (L) (NaNO3) M Moles of NaNO3 Temperature initial Temperature Final AT (Tf-TI) q of the solution q of the coffee cup qof NaNO3 dissolution AH...