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- 1 of 1 3. A sample of glucose reacts in anaerobic respiration. The right- hand box below shows a particle diagram of the moles of substances present after the reaction is complete. fe On a piece of paper draw the "Before" box as shown and draw a particle diagram of the reactant molecules that produced the mixture shown on the right. Key = C2H5OH = CO2 = CgH1206 Sub Before After You will need to draw a diagram to answer this question. On a piece of paper, draw the "Before" box as shown, and then draw a particle diagram of the reactant molecules that produced the mixture shown on the right. Upload an image of your drawing by clicking "Upload files" or by dragging and dropping your file into the box. Or, use your device's camera to take a photo of your work by clicking the camera icon.Given the following reactions or reaction conditions, determine which are spontaneous. Choose one or more: Select one or more answers and submit. For keyboard navigation... SHOW MORE ✓ a b с Multiple answers: Multiple answers are accepted for this question d AG°¹ = +12.0 kJ/mol AG⁰¹ > 0 Keq = 10000 AH 0 Your answerIdentify any combination reactions. (Select all that apply.) C4H10 + O2 → CO2 + H2O S8 + O2 → SO3 NaNO3 → NaNO2 + O2 HgO → Hg + O2 Ga + H2SO4 → Ga2(SO4)3 + H2 AgCl2 + H2 → Ag + HCl none of the above Identify any decomposition reactions. (Select all that apply.) C4H10 + O2 → CO2 + H2O S8 + O2 → SO3 NaNO3 → NaNO2 + O2 HgO → Hg + O2 Ga + H2SO4 → Ga2(SO4)3 + H2 AgCl2 + H2 → Ag + HCl none of the above
- For a given reaction, CH3CHO+1/202 --> CH3COOH; the oxidizing agent is 002 O None of the above Осн сно OCH3COOH1. Bomb calorimeters are used to determine the heat of combustion of various samples like fuels. Benzoic acid (C6H5COOH) is typically used as a standard in calibrating bomb calorimeters . In a typical reaction 1.20 g of benzoic acid was burned in excess oxygen gas and releases 31.723 kJ of energy . The temperature of the water bath of the calorimeter is 24.6 degrees Celsius . A. Calculate heat B. Calculate change in internal energy C. Calculate work D. What is its change in enthalpyQuestion 54 Electron transport and chemiosmosis (is the movement of ions across a semipermeable membrane, down their electrochemical gradient.) occur during both aerobic cell respiration and photosynthesis. What is the purpose of electron transport and chemiosmosis in both cell respiration and photosynthesis? O To create sugar molecules from oxygen gas O To create water molecules from carbon dioxide gas OTo use the energy released from slowing electrons to build ATP OTo usc he energy released from slowing electrons to create light
- CONTENTS OF REACTION CUVETTES: (Calculations in PreLab) [ONPG] Diluted ONPG 0mM None 0.25mL 0.5mL 0.75mL 1.0mL bloo 1.25mL 1.5mL Buffer Lactase 0.25mL 0.25mL 0.25mL 0.25mL 0.25mL 0.25mL 0.25mL 0.25mL 0.25mL 0.25mL 0.25mL 0.25mL 0.25mL 0.25mL *** HINT: To calculate [ONPG], cuvette #5 contains 1.0mL ONPG in a total of 2.0mL. (This is the same as a 1:2 dilution.) Therefore we divide the concentration of ONPG by 2 to get 5mM. 5mM Water 1.5mL 1.25mL 1.0mL 0.75mL 0.5mL 0.25mL None *** 4. To perform Lactase Assay with first cuvette ("OmM"): Clean cuvette with Kimwipe. Place cuvette into Spectro Vis with stripes in front in back. GET GROUP READY FOR TIMED ASSAY. AT THE SAME TIME: * Press Record (Green Triangle button). * Add 0.25mL of Lactase to cuvette. Use pipette to quickly mix liquid. WAIT 60 SECONDS! After the assay is complete: * In Experiment menu, select "Store Latest Run" THIS STEP IS NECESSARY! * Record data on the data table below. 5. Repeat Step 7 for all of your cuvettes. Record…I I 1 1 Testa tabes dm 3 4 5 6 distilled Water 15 10 5 O 6 amylase enzyme absorbance 0.00 0.031 0.043 0:094 0151 0.147 5 5 10 5 O O 5 5 5 3. In this experiment, what does reaction rate represent (what is it a proxy for)? What does a high absorbance value indicate? What does a low absorbance value indicate? What does an ? absorbance value of zero indicate I 1 1 1 I I 1 I I I 1 I IIn a neutral solution, the [H*] is : * 1.0x10-14M zero 1.0×107M O 1.0x10-7M
- Calculate the reduction potential of cytochrome a3 (°' = 0.385 V) at 25.0°C when the Fe3+ form = 87.0 μM and the Fe2+ form = 25.0 μM. 0.440 V 0.353 V 0.417 V 0.387 V8:12 O A O • O lll 63% i 1 BioChem Prob.PNG BIOCHEMISTR Calculate the pH of the following buffers containing; 2.95M HC2H302 and 1.5M NaC2H3O2 а. ka = 1.8X10-5 b. 3.0MHF and 2.5M NaF ka = 6.8X104i. Write the net ionic equation for this reaction ii. Identify the oxidising and reducing agents from the above reaction 4. (a) Give few comment notes on Different dissociation constants of weak acids observed from the following diagram 14 13- 12 11- K= 1010 K= 10 K= 10 K= 107 K= 10 K= 10 K= 10 K= 10 10 8 pH 6 3 2 1 0.000 0 005 0010 0015 0020 0.025 Vo