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- 5 ✓7 D ✔B ✓9 ✓ 10 ✓11 12 The human body burns glucose (C,H,O,) for energy according to this chemical reaction: CH₁₂0+60-6CO₂ + 6H₂0 The products of the reaction are carbon dioxide (CO₂) and water (H₂O). Interestingly, all of the carbon dioxide and much of the water exits the body through the lungs: on every breath, the average person exhales 500 ml. of air, which is typically enriched to 4% CO, and 5% water vapor by volume. In short, when a person loses weight by dieting, the weight that is lost actually departs his body as a gas, every time he exhales. Each kilogram of body fat lost requires exhaling about 2.8 kg of carbon dioxide. Calculate how many breaths it takes an average person to "exhale" 3.00 kg of fat. Round your answer to the nearest thousand. You'll need to know that the density of CO₂ is 2.0 kg/m³. 10 13 ? DAl llevar a cabo esta reacción, el (los) producto(s) mayoriatios(s) es(son): HO NaNH, NH3C2H4 (g) + H2O (l) → C2H5OH (l) ΔH=? 1.C2H5OH (l) + 3O2 (g) → 2CO2 (g) + 3H2O (l) ΔH = -1367,5 KJ 2.2CO2 (g) + 2H2O (I) → C2H4 (g) + 3O2(g) ΔH = 1411,1 KJ
- 17. Under certain circumstances, carbon dioxide, CO2(g)CO2(g), can be made to react with hydrogen gas, H2(g)H2(g), to produce methane, CH4(g)CH4(g), and water vapor, H2O(g)H2O(g): CO2(g)+4H2(g)→CH4(g)+2H2O(g) A. How many moles of methane are produced when 85.1 molesmoles of carbon dioxide gas react with excess hydrogen gas? Express your answer with the appropriate units. B. How many moles of hydrogen gas would be needed to react with excess carbon dioxide to produce 76.6 molesmoles of water vapor? Express your answer with the appropriate units.H ₂0 H₂SO4Br₂ H2O OH Br
- 162010188MM9SssjVNAafl20nyqðVi-ijmPnmc371rY... O Spotify Web Playe. M Common Ethical D.. O CHEMICAL REACTIONS Solving for a reactant using a chemical equation D 1/3 David Green plants use light from the Sun to drive photosynthesis. Photosynthesis is a chemical reaction in which water (H,O) and carbon dioxide (CO,) chemically react to form the simple sugar glucose (C,H2O6) and oxygen gas (02). What mass of oxygen gas is produced by the reaction of 6.65 g of water? Be sure your answer has the correct number of significant digits. Explanation Check O 2022 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy Center | Accessibility APR 13 MacBook AirH B H cat HCI H₂OH₂N H₂N NH₂ H₂NOC HN -Ho Ho H₂NOC O Flo HN. H₂C H₂NOC OH HN O CO₂H NaOH/H₂O CF CO H H₂O+
- ORT SHEET Heat of Neutralization EXPERIMENT elemsboomfchg lom 12 A. Heat Capacity of Calorimeter 1. Temp. of calorimeter and water before mixing 2. Temp. of warm water °C 22.0 39,0 30.3 3. Maximum temp. determined from your curve °C 4. Heat lost by warm water (temp decrease x °C 50.0 g x 4.184 J/K-g) = 02), 5. Heat gained by cooler water (temp. increase x 50.0 g x 4.184 J/K-g) = 30,3 22.0)x 13626J s0.0gmpi S0.0gy 6. Heat gained by the calorimeter [(4) – (5)] = 7. Heat capacity of calorimeter: heat gained by the calorimeter temperature increase J/K 3. Heat of Neutralization of HCl-NaOH 22.2 22.2. °C . Temp. of calorimeter and NaOH Temp. of HCI AT determined from your curve after adding HC1 °C to the NaOH Heat gained by solution (temperature increase x ON 100 g x 4.184 J/K-g) = 9977.8J %3D Heat gained by calorimeter (temperature increase x heat capacity of calorimeter) = J %3D Total joules released by reaction [(3) + (4)] = Tight O 2018 Pearson Education, Inc.1. Fill in the boxes below with the correct reagent, reactant or product (5 (а) OH (b) 1. (CH),СHMgBr 2. H,0 ÓH (c) 1. L¡AIH, 2. НО (d) CH;OH H,SO4 (e) 1. 2 (CH3),CHMgBr, 2. H,0 ÓH (f) 1. LIAIH, 2. H,0 HO,Help me please
