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The chapter sections to review are shown in parentheses at the end of each problem.
15.47 Which of the following are
a.
b.
c.
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EP BASIC CHEMISTRY-STANDALONE ACCESS
- Given the following data: 2H₂(g) + C(s) → CH4 (9) 2H₂(g) + O₂(g) → 2H₂O(1) C(s) + O₂(g) → CO₂ (9) Calculate AGⓇ for CH4 (9) +202 (g) → CO₂ (g) + 2H₂ O(1). AG: = kj A Go = -51 kJ A G° = -474 kJ A G = -394 kJarrow_forward10.109 A 0.204 M NaOH solution is used to titrate 50.0 mL of an H,PO, solution. (10.7) a. Write the balanced chemical equation. b. What is the molarity of the H;PO4 solution if 16.4 mL of the NaOH solution is required?arrow_forwardIn the decomposition of lead (I1) nitrate to give lead (II) oxide, nitrogen dioxide and oxygen gas, the cocfficient of nitrogen dioxide (in the balanced equation) is: * 1 2. 3. Which among the following is (are) double displacement reaction(s)? * Pb + CuCl - PBCI2 + Cu Na2SO4 + BaCl2 → BaSO4 + 2NACI C + 02 → CO2 I. | II. III. IV. CH4 + 202 → CO2 + 2H2O O I and II O Il and IV O I only Il onlyarrow_forward
- Part I. Complete the following chemical reactions. Do not forget to balance the reaction, the states of matter and answer any questions that are asked. In the next reaction, a gas is formed. (19 points). HCl (aq) + Mg (s) → Gas that was released: Mg (s) + O2 (g) → Cu2S (s) + O2 (g) → Gas that was released:arrow_forward15.3.2 Modern cars are fitted with catalytic converters to convert the harmful nitrogen monoxide back to harmless nitrogen and oxygen according to the following chemical reaction: 2NO(g) N2(g) + O2(g) What type of reaction is the above, erdothermic or exothermic?arrow_forwardFor each of the reaction below, identify: (0.5 marks each) substance being oxidized substance being reduced oxidizing agent reducing agent number of electrons transferred. 1. K2Cr207 + 14HCI -> 2KCI + 2CrCl + 3Cl + 7H20 2. 10 OH +4C12 + S2032 > 5H20 + 2502 + 8 CIarrow_forward
- Barium Hydroxide has a solubility of 4.68 g Ba(OH)2 in 100. g H2O at 25°C. Determine if each of the following solutions will be saturated or unsaturated at 25°C: (9.3) a) adding 32 g of Ba(OH)2 to 990 g of H2O b) adding 7.0 g of Ba(OH)2 to 125 g of H2O c) adding 22 g of Ba(OH)2 to 350. g of H2Oarrow_forward9.116 Lithium chloride has a solubility of 55 g of LiCl in 100. g of H,O at 25 °C. Determine if each of the following mixtures forms an unsaturated or saturated solution at 25 °C: (9.3) a. adding 10 g of LiCl to 15 g of H;O b. adding 25 g of LİCI to 50. g of H,0 c. adding 75 g of LiCl to 150. g of H,O ne on nearrow_forwardComplete the balanced neutralization equation for the reaction below: KOH(aq) + H2S04(aq) → K2SO4(aq) + 2 H2O(aq) 04- 03- 2. 2+ 3+ O4+ 10 3 4 7 8 9. O3 O4 O5 O6 O8 O9 (s) (1) (g) (aq) H. K Reset • x H2O Deletearrow_forward
- I need help with letter C from question 3.arrow_forward6 3. Given the reactions: a) 2Ag+ (aq) + CrO4 (aq) → Ag2CrO4 (s) and b) Pb (s) + 2HCl (aq) → PbCl2 (aq) Which reaction would be faster at room temperature? Explain your answer. (1 mark) + H2(g) (1 mark) 4. Given the reaction: N2(g) + 3 H2(g) → 2 NH3(g) If the rate of formation of NH3 is 8.0 x 103 mol/s, calculate the rate of consumption of H2 in mol/s.(2 marks) Hand In Assignment #2-Reaction Rates Answer Page 1 of 4arrow_forward18. Answer the following questions using the given equation and AH. (d) Adding so 6 CO2(g) + 6 H20 (1) → C,H1206(aq) + 6 02(g) AH = +678 kcal/mol (a) Is heat absorbed or released? Chept (b) Are the reactants or products lower in energy? Mult Cho ach) 21. (c) Is the reaction exothermic or endothermic? volume and temperetur somple of ga (d) Which bonds are stronger, those in the reactants or those in the products? (c) Gay-Larrow_forward
- Chemistry by OpenStax (2015-05-04)ChemistryISBN:9781938168390Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark BlaserPublisher:OpenStax