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help me please 1. Circle the oxidizing agent in the following reaction C2H + O2 +...
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2. What pressure would be exerted by 0.76 mol of O2 gas at 423 K in a 5.4 L container? 3. What volume would 4.2 mol of O2 gas occupy at a temperature of -19°C if the volume at 124°C is 2.7 L?
The following reactions use the species above. Determine the oxidizing agent and the reducing agent, and which atom is oxidized or reduced for each reaction C2H4 + 3 O2 → 2 CO2 + 2 H2O Atom oxidized: Oxidizing agent: Atom reduced: Reducing agent: CuO + H2 → Cu + H2O Atom oxidized: Oxidizing agent: Atom reduced: Reducing agent: Cu + 4HNO3 → Cu(NO3)2 + 2 NO2 + 2 H20 Atom oxidized: Oxidizing agent: Atom reduced: Reducing agent:
A sample of gas contains 0.1100 mol of C2H,(g) and 0.1100 mol of H,O2(g) and occupies a volume of 11.3 L. The following reaction takes place: C2H/(B) +H2O2(g) CHOHCH2OH(g) Calculate the volume of the sample after the reaction takes place, assuming that the temperature and the pressure remain constant.
You have the following info: C3H8(l) + O2(g) ---> CO2(g) + H2O(g) ∆Hrxn = -2044 kJ Given 4.73 Kg of C3H8(g) react and the gas produced from the reaction is collected in a 5.00 L container at 298 K. Molar masses: C3H8 = 44.09 g/mol, H2O = 18.02 g/mol, CO2 = 40.02 g/mol 1) What is the heat of the reaction given the conditions described (i.e. what is qrxn)? 2) Is the reaction exothermic or endothermic? 3) Is heat a...
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2. What is the temperature of 2.15 mol of H2 gas in a 9.05 L container at 3.77 atm? 3. What pressure would be exerted by Cl2 gas in a 2.8 L container if the pressure in a 5.5 L container is 0.98 atm?
5&6
5) Identify the oxidizing agent, reducing agent, substance oxidized, and substance reduced. a) Consider the reaction Fe(NO3)3(aq) + H2S(aq) → FeS(s) + HNO3(aq) + S(s). b) Consider the reaction CuO(s) + H2(g) → Cu(s) + H2O(l). 6) Consider the reaction C(g) + O2(g) + CO2(g). (a) Determine the oxidation states of carbon and oxygen in CO2. (Drawing a Lewis struc- tures may help here.) (b) What are the oxidation states of the reactants carbon and oxygen? (c) Which substance...
19. Which of the following are redox reactions? For those that are, identify the oxidizing agent and the reducing agent: A. Sn²+ (aq) + Br+ (aq) Sn4+(aq) + 2 Br(aq) B. 2 F2 (g) + 2 H20 (1) ► 4 HF (aq) + O2 (8) C. NaHCO3 (aq) + HCl (aq) → NaCl (aq) + CO2 (g) + H20 (1)
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Which of the following reactions is a non-redox reaction? O 2 H, 02H2 + O2 O2KCIO3 -- 2KCI + 3 02 o CaO + H2O = Ca(OH)2 O 2 SO2 + 02 - 2 SO, Question 42 2 pts Which substance functions as a oxidizing agent in the following redox reaction? CH4 + 20 C0, + 2H2O H20 CO2 CHA
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Question 38 (8 points) What element is oxidized and what is the oxidizing agent in the reaction below? Fe2O3(s) + 3CO(g) - 2Fe(s) + 3CO2(e) Iron is oxidized, and the oxidizing agent is Fe2O3. Carbon is oxidized, and the oxidizing agent is Fe2O3. Iron is oxidized, and the oxidizing agent is CO. Carbon is oxidized, and the oxidizing agent is Co. Question 39 (8 points) What isotope is depicted in the figure? Key =proton =neutron lithium-7 helium-3 helium-4...
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5. (9 Points) A 3.75 L sample of gas from a chemical plant is collected and analyzed at 25°C. It is found to contain 0.0674 g NO, 0.00459 g C2H6, 0.00275 g CO2, and 0.185 g of H20. a. What are the partial pressures in atmospheres of each component of gas? b. What is the total pressure in mmHg of the sample? c. What is the mole fraction of each gas? = 6....