Which of the following is a nonredox reaction? 2PbSO4(s)+heat—>2PbSO3(s)+O2(g) 2Li(s)+Mg(NO3)2(aq)—->2LiNO3(aq)+Mg(s) S8(s)+8O2(g)—->8SO2(g) None H2SO4(aq)+2NH4OH(aq)—->2H2O(l)+(NH4)2SO4(aq) 2) What is the conjugate base in reaction: HSO4^-(aq)+H2O(l) H2SO4(aq)+OH^-(aq) A) HSO4^- B) H2O C) OH^- D) H2SO4 E) none

Which of the following is a nonredox reaction? 2PbSO4(s)+heat—>2PbSO3(s)+O2(g) 2Li(s)+Mg(NO3)2(aq)—->2LiNO3(aq)+Mg(s) S8(s)+8O2(g)—->8SO2(g) None H2SO4(aq)+2NH4OH(aq)—->2H2O(l)+(NH4)2SO4(aq) 2) What is the conjugate base in reaction: HSO4^-(aq)+H2O(l) H2SO4(aq)+OH^-(aq) A) HSO4^- B) H2O C) OH^- D) H2SO4 E) none

World of Chemistry, 3rd edition

3rd Edition

ISBN:9781133109655

Author:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan L. Zumdahl, Donald J. DeCoste

Chapter2: Matter

Section: Chapter Questions

Problem 29A

See similar textbooks

Similar questions

The standard reaction enthalpy for 2 CO(g) ---> 2 C(s) + O2(g) is: +2 ΔHf°[CO(g)] + Δ>Hf°[CO(g)] - ΔHf°[CO(g)] -2 Δ>Hf°[CO(g)] +2 ΔHf°[C(s)] + ΔHf°[O2(g)]
i. Which of the reactions given below is wrong? H3O*/H20 (A) MgBr + CO2 H2/Pt (B) CH;CH2CN CH;CH,NH2 heat NABH4 (C) HO OH/H20 (D) CI OH
What is the major organic product of the following reaction? H,0/ heat HO2C. .co.CH .co.H HO,C HO HOC (A) (В) (C) (D)
(b) 4. Give the major organic product(s) for each step of the following reactions: Nay Cr₂Oy H₂SO, Heat (c) CH₂Cl AICI A CN 5. Give the major organic product(s) for each of the following reactions: Br B CH₂CH₂OH H₂O 1 NaCN 2. H₂/Pd HCI, H₂O, Heat C 1. DIBALH 2. H₂O* D CHÍCHÍNH: -E
Given the following reactions Fe203(s) + 3CO(s) 2Fe(s) + 3CO2(g) AH = -28.0 kJ AH = +12.5 kJ 3Fe(s) + 4CO2(s) → 4CO2(g) + Fe3O4(s) + CO(g) → CO3(g) + 2FE3O4(s)- + 2FE304(s)' Determine the enthalpy of the reaction of Fe203 with CO: 3FE2O3(s) Answer:
Which reaction is most likely to have a positive ASys? a) SiO2(s) + 3 C(s) b) 6 CO2(g) + 6 H¿O(g) c) CO(g) + Cl2(g) d) 3 NO:(g) + H2O(1) 2 HN0;(1) + NO(g) SiC(s) + 2 CO(g) - CH12O6(8) + 6 O2(8) - COCI2(g)
Calculate the value (calories) for the heat of reaction. NaOH(s) ─HCl→ Na+(aq) + Cl-(aq) + H2O(l) Useful Information: Volume of HCl: .055 LVolume of water: .045 LVolume total: .1 LMolarity of HCl: 2.12 MMass of NaOH: 4.00 gΔT for reaction C: 21.3°C Specific Heat Capacity of Sodium Chloride: .94 cal g^-1 C^-1
1. Statement 1: beside its value for jewelries currency and electronics gold is also important in the health profession. Statement 2: Salts of Au+ is used in the treatment of certain types of rheumatoid arthritis2.Statement 1: Cellular restoration allows organisms to liberate the energy stored in the chemical bonds of glucose. Statement 2: C6H12O6 + 6O2 --> 6CO2 + 6H2O + 36 ATP, In this reaction glucose is reduce and oxygen is oxidized.3. Statement 1: The reaction of a metal with either an acid or a metal salt is called displacement reactions because the ion in the solution is to replace through reduction of an element. Statement 2: When metals undergo displacement reactions with acids, salts and hydrogen gas is produced. A - If the first statement is TRUE and the second statement is FALSE B - If the first statement is FALSE and the second statement is TRUE C - If both statements are TRUE D - If both statements are FALSE
9-4. For each of the following reactions: (1) Calculate the enthalpy change for the reaction using Standard Enthalpy of Formation values from the table posted on the Course Resources page. (2) State whether the reaction is endothermic or exothermic. а. 3 Са0() + 2 Feе(s) > Fe,0%3(s) +3 Сa('s) b. 2 C;Ho(g) + 7 02(g) → 4 CO2(g) + 6 H2O()
b) The standard enthalpy change of combustion (i.e. the heat change) of sucrose is -5644 kJ mol-¹. Calculate the energy released when one sweet containing 6.70 g of sucrose is completely burnt. c) A man needs to consume about 2500 dietary calories (i.e. 2500 kcal) per day. Given that 1 kJ = 0.239 kcal, how many sweets would a man have to consume in order to meet his daily calorific requirement? Sherbet produces a fizzing sensation in the mouth when its two main components, tartaric acid and sodium hydrogencarbonate, react together in aqueous solution to make carbon dioxide gas. The reaction is given below: H₂C₂H4O6 + 2NaHCO3 Sodium Bicarbonate Tartaric Acid Na₂C4H₂O6 + 2H₂O + Sodium Water Tartarate 2CO₂ Carbon Dioxide
4. What is the AH° value for the decomposition of sodium chlorate, given the following information?- 2 NaCiO3 (s)_> 2 NaC1 (s) + 3 O2 (g)- (AHP values: NaC1O3 (s) = -85.7 kcal/mol; NaCl (s) O kcal/mol)- = -98.2 kcal/mol; O2 (g)
Given the following reactions: Reaction # 1 2 3 4 Reaction A(s) + 3B(g) → 3C(g) + D(g) 2E(s) + 3F₂(g) → D(g) F₂(g) + C(g) B(1) B(1)→ B(g) →>> ΔΗ 2,046 29 -289 37 Calculate the enthalpy (in kJ) of the following reaction using Hess' Law: 4E(s) + 3C(g) → 2A(s) Round your answer to the nearest kJ.