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- What is the use of burnt length of fuse wire in bomb calorimetry? Why is it subtracted to get the heat flow in a bomb calorimeter?Material: Block Mass: Соpper 5.0 g 10.0 g Heating Duration: 4s Tinitial 20.0 °C I final 123.9 °C Heat Reset 200 J has been transferred to the block. Experiment Complete Click Reset for a new experiment. Now click Reset and double the Heating Duration to 4.0 s. Material: Copper Heating Duration: 4.0 s Block Mass: 5.0 g What is the magnitude of the temperature increase, in °C? °CIn the calorimetry experiment, what will happen if the temperature was recorded prior to the stabilization of the temperature reading? a.There is no need to wait for the stabilization of the temperature reading because it will not have much effect on the computed value. b. Magnitude of calculated ΔH < actual value c. Magnitude of calculated ΔH = actual value d. Magnitude of calculated ΔH > actual value
- Material: Block Mass: Wood 5.0 g 10.0 g Heating Duration: 3 s I final Heat Reset Tinitial 150 J has been transferred to the block. 20.0 °C 37.0 °C Experiment Complete Click Reset for a new experiment. Set the simulation to the following parameters and run the experiment by clicking Heat. Material: Copper Heating Duration: 2.0 s Block Mass: 5.0 g What is the final temperature of the block? °C(100g)(4.184J/g K)(t-22)=(275g)(0.444J/g K)(t-100) What is the step by step solution to this problem?For the reaction SOCl2 + H2O --- 2HCL + SO2 H=482 KJ What mass of HCl is produced when 2250 kj of energy are absorbed?
- Esc ||| = OTHERMOCHEMISTRY A student runs two experiments with a constant-volume "bomb" calorimeter containing 1200. g of water (see sketch at right). Calculating heat of reaction from bomb calorimetry data First, a 5.000 g tablet of benzoic acid (C6H,CO₂H) is put into the "bomb" and burned completely in an excess of oxygen. (Benzoic acid is known to have a heat of combustion of 26.454 kJ/g.) The temperature of the water is observed to rise from 16.00 °C to 38.96 °C over a time of 9.2 minutes. 2 4. Next, 5.730 g of acetaldehyde (C₂H₂O) are put into the "bomb" and similarly completely burned in an excess of oxygen. This time the temperature of the water rises from 16.00 °C to 42.19 °C. 84°F Sunny Use this information, and any other information you need from the ALEKS Data resource, to answer the questions below about this reaction: FI Explanation Is this reaction exothermic, endothermic, or neither? 4- F₂ Check 2C₂H4O(g) + 50₂(g) 4CO₂(g) + 4H₂O(g) Be sure any of your answers that are…33. For Experiment #4, a student reacts 0.0689 g of Mg with 2.0 mL of 2.0 M HCl(aq). From a graph of the volume of water in the pipette as a function of reaction time, they determine the value of AV equal to -0.73 mL. What is the heat of reaction (in kJ) per mol of Mg reacted for this experiment? Data: AHrusion (H₂O) = 333.55 Jg¹ dн,0(1) 1.000 g mL™¹ dн,0(s) = 0.917 g mL™¹ A) 1345 kJ mol™¹ B) C) D) 1943 kJ mol™¹ 1735 kJ mol™ 1102 kJ mol"!Explain and show work step by step: 1. A mixture of Al2O3(s) and CuO(s) weighing 18.371 mg was heated under H2(g) in a thermogravimetric experiment. On reaching a temperature of 1000 °C, the mass was l7A62 mg and the final products were Al2O3(s), Cu(s), and H20(g). Find the weight percent of Al2O3(s)in the original solid mixture.
- For the reaction SbCl 5 (g) = SbCl 3 (g) Cl 2 (g); Delta G^ (SbCl 5 )=-334.34 k /mol; Delta G^ f(SbCl 3 )=-301.25 kJ/mol; Delta * H ^ 0 (SbC * l_{5}) = - 394.34kl / m * o * l; Delta H^ f (SbCl 3 )=-313.80 kJ/mol Calculate the value of the equilibrium constant (K_{p}) at 800 K and 1 atm pressure . 1.91 * 10 ^ 2 1.71 * 10 ^ 2 1.31 * 10 ^ 3 1.11 * 10 ^ 3 None of the above24. A 500-cm^3 sample of1.0 M NaOH(aq)is added to 500cm3 of 1.0M HCl(aq)in a Styrofoam cup, and the solution is quickly stirred. The rise in temperature (AT1) is measured. The experiment is repeated using 100cm^3 of each solution, and the rise in temperature (AT2) is measured. What conclusion can you draw about AT1 and AT2? HCl(aq)+NaOH(aq) H2O(1)+NaCL(aq); AH∞=-55.8KJ a. AT1 is five times as large as AT2 b. AT1 is less than AT2 c. AT2 is greater than AT1 d. AT2 is equal to AT1 e. AT2 is five times as large as AT17:15 PM Sat Jul 19 Oli www-awu.aleks.com ⇓ Ć + 59% S S Coverups, S vacataion dr... S up | SHEIN U... S bikini cover... S Curve + Plus... S Beachwear |... S comfy short... S long skirts |... × Ashley Knisl... B Answered: 1... Thermochemistry Calculating heat of reaction from bomb calorimetry data 0/3 Ashley ✓ A student runs two experiments with a constant-volume "bomb" calorimeter containing 1100. g of water (see sketch at right). በ thermometer stirrer First, a 6.000 g tablet of benzoic acid (C6H5CO₂H) is put into the "bomb" and burned completely in an excess of oxygen. (Benzoic acid is known to have a heat of combustion of 26.454 kJ/g.) The temperature of the water is observed to rise from 22.00 °C to 52.06 °C over a time of 8.7 minutes. Next, 4.170 g of ethanol (C2H5OH) are put into the "bomb" and similarly completely burned in an excess of oxygen. This time the temperature of the water rises from 22.00 °C to 44.22 °C. Use this information, and any other information you need from the…
