I need the answer as soon as possible الموضوع :EX8 Ĉ5 Hq iahites inaiw aut omatically withaween sPark forming caog and water.what is the weaction heat under standerdecanditions ?Solved by Hess Law& C5 Hq (3) +1202c8) > 5 C2 0g+9120 (4-62.9126 4285-5

Answered: Image /qna-images/answer/7437bf10-019a-4f1a-b4eb-f644657f72cd.jpg

التار الموضوع : EXS C5 Ha ighites inaiw aut omaticalg with aween SPark fowming cqog and water. what is the weaction heat under standerd canditions? Solved by Hess Law 2 C5 Hq 1)+ 1202 c8) >5 C2 03+91204) 62.9 126-4 -285-5

التار الموضوع : EXS C5 Ha ighites inaiw aut omaticalg with aween SPark fowming cqog and water. what is the weaction heat under standerd canditions? Solved by Hess Law 2 C5 Hq 1)+ 1202 c8) >5 C2 03+91204) 62.9 126-4 -285-5

Chemistry

10th Edition

ISBN:9781305957404

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

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

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: HCl(aq) + NaOH(aq) ® NaCl(aq) + H2O(l) DH1 = Using the solution procedure…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: stion 5 The enthalpy of combustion under a pressure of one atmosphere of one mole of methane at 298K…

Q: <. aph shows a heat curve for an unidentified substance disco 400 380 360 340 320 300 280 260 240…

A: From the heating curve, Fusion is the temperature at which vapor pressure of solid is equals to…

Q: Select which of the following substances would require the least amount of energy to increase 20.0 g…

A: The amount of heat required to increases the temperature of the 1 g of the substance by 1 degree is…

Q: Determine the amount of heat (in kJ) required to convert 7.1 moles of liquid methanol at -42°C into…

Q: Calorimeter Calibration 50 45 y = -0.44x + 45.86 40 A. 35 30 y = -0.35x + 34.533 Temperature 25 °C…

A: Given: Volume of water = 50 mL Time = 4 min From the calibration curve at 4 min, the temperature of…

Q: Q1.1: One cubic foot or one liter of water can store or transfer the same amount of heat as over…

A: Ans 1) Since, air has much less density and much less specific heat capacity than water, much more…

Q: estion 35 of 41 Attempt 2 A generic solid, X, has a molar mass of 64.4 g/mol. In a constant-pressure…

A: Answer: q = 3.76 KJ ∆Hrxn = - 8.04 KJ/mol

Q: Part I: Determine the molar enthalpy change for reaction 1 HCl(aq) +…

A: Given: Volume of HCl = 50 ml = 0.05 L Concentration of HCl = 2.0 M moles of HCl = 2 x 0.05 = 0.1…

Q: If the enthalpy of C12H22O11 combustion is said to be -5.65 x 103 kJ/mol, calculate the mass of…

Q: b) Construct an enthalpy cycle and calculate the enthalpy of combustion in each case using the above…

Q: The gas inside a cylinder expands against a constant external pressure of 1 atm from a volume of 5 L…

Q: OH 1. SOCI2, heat O. 2. Me2CuLi, Et2O then H3O*

Q: 4. One day while working the in lab, I decide to warm a cup of water to make some tea. I place the…

A: Given :- C(s) + 2H2 (g) → CH4(g) , ∆H1 = -74.87 (kJ/mol) ... (1) C(s) + O2 (g) → CO2(g) , ∆H2 =…

Q: A bomb calorimeter, or a constant volume calorimeter, is a Ignition wires heat Thermometer device…

Q: The gas inside a cylinder expands against a constant external pressure of 1 atm from a volume of 5 L…

A: Given: P= 1.00 atm Initial volume= 5.00 mL Final volume= 13.00 mL

Q: How do you represent a Carnot cycle that operates between two temperatures of T1 and T2 in a i. pV…

A: Applying concept of carnot's cycle and relationships between P&V and T&S it easy to draw…

Q: Pirani gauge is a device used to measure vacuum levels better than 10-3 mbar 1. Select one: True…

Q: 50 ml of HCl 0.1 M at 25°C is mixed with 25 ml of NaOH 0.1 M at 25°C in a plastic beaker. The result…

A: The neutralisation reaction between 0.1M NaOH and 0.1M HCl solution take place as 0.1MNaOH (aq) +…

Q: One day while working the in lab, I decide to warm a cup of water to make some tea. I place the cup…

Q: 3. [Part 1] Complete the table for your assigned material which is Styrofoam Block Behavior Mass…

A: Density is defined as the measure of mass per unit volume. The symbol most often used for density is…

Q: Calculate the enthalpy of combustion (in kj) of methyl linoleate (c19h34o2) an important component…

A: Combustion of methyl linoleate 2C19H34O2(l) + 53 O2(g) ——> 38CO2(g) + 34H2O(l)…

Q: If 50.0 mL of ethanol (density = 0.789 g/mL) initially at 7.0 °C is mixed with 50.0 mL of water…

A: The heat lost by the hot body is the heat gained by the cold body.

Q: Several ice cubes (ρi = 0.9167 g/cm3) of total volume Vi = 205 cm3 and temperature 273.15 K (0.000…

Q: What would be the final temperature if 50.0g of H2O at 30.0C was added to 40.0g of H2O at 90.0C?…

Q: Estimate the thermal properties of a food with the following composition: carbohydrate 0.3%, protein…

A: Note: Since we are entitled to answer only three sub-parts, we’ll answer the first three as no…

Q: At 1 atm,1 atm, how much energy is required to heat 71.0 g H2O(s)71.0 g H2O(s) at −24.0 ∘C−24.0⁢ ∘C…

A: Here we are required to calculate the energy needed to warm 71 g of water at -24°C to 119°C

Q: A quantity of 3.10 × 102 mL of 0.650 M HNO3 is mixed with 3.10 × 102 mL of 0.325 M Ba(OH)2 in a…

A: Calculation of no. of mol of HNO3: Calculation of no. of mol of Ba(OH)2:

Q: Using the following data, calculate the standard heat of formation of IC1(g) in kJ/mol: Cl2 (g) → 2…

A: Enthalpy of formation :- The enthalpy change involved in the formation of 1 mole of a compound from…

Q: A calorimeter is a device used to measure heat flow. O A) True O B) False

A: Calorimeter is a device used to measure the heat released by a substance.

Q: 58. A 54 cm³ ice cube at -25.0 °C is added to a thermally insulated container with 400.0 mL H2O(1)…

A: Given,Volume of ice cube = 54 cm3Temperature of ice cube = -25.00CVolume of water = 400.0…

Q: Given the following heats of formation, calculate the temperature change in 500 g of water starting…

A: Given: Mass of water = 500 g. Mass of ethane combusted = 50 g. And initial temperature of water = 25…

Q: CI HNO3 H2SO4 CI Br 1) H* / H2O 2) NaH 1 equiv. m-CPBA HBr 10°C `CI , AICI3 1) 2) Zn(Hg), HCI 3)…

Q: A quantity of 2.30 x 102 mL of 0.850 M HNO3 is mixed with 2.30 x 102 mL of 0.425 M Ba(OH)2 in a…

A: The balanced equation for the given reaction is,

Q: The following information is given for bismuth at 1 atm: T-1627.00C T-271.00C Specific beat…

A: Amount of heat required can be calculated using the change in temperature and phase transition…

Q: The following figure represents the result of a calorimetry experiment exploratory scanning (DSC)…

A: Polyethylene terephthalate (PET) polymer is one of the engineering plastics that have excellent…

Q: NABH3CN 1) xs CH3I 2) Ag20/H2O/heat ZI ZI

A: Given reactions,

Q: How much energy (in kJ) does it take to turn 42.00 g of octane (C3H18) at 99.95°C into a gas at…

A: Given that : Mass of Octane (m) = 42 g Initial temperature of octane = 99.95°C Final temperature of…

Q: 1. Calculate the concentration in % by mass of a solution containing 3.50 g of NaCl dissolved in…

A: I solved only one question. Remaining repost

Q: How much heat is needed to increase the temperature of 10.0 g liquid water from 30.0 degrees Celsius…

A: There are two steps in this process,(i) Heat required to raise the temperature of 10g liquid water…

Q: A student runs two experiments with a constant-volume "bomb" calorimeter contalning 1000. g of water…

A: The given reaction for the complete combustion of acetaldehyde(C2H4O) is: 2C2H4O(g) + 5O2(g)…

Q: 500.0 mL of 0.100 mol·L HCl(aq) was added to a high quality insulated calorimeter containing 500.0…

Q: Suppose that 13.93 grams of X (MW = 52.41) undergo combustion. The heat from this reaction is then…

A: Volume of water = V = 266 mL Density of water = d = 1.0 g/mL * Mass of water (m) = Density × volume…

Q: Data: Molar heat capacity for CH3OH(1), Cp.m = 81.1 J K-1 mol Molar heat capacity for CH3OH(g), Cp.m…

Q: Calculate the standard heat of formation of propane (C3H8) if its heat of combustion is – 2220.2 kJ…

Q: At 1 atm, how much energy is required to heat 87.0 g H2O(s)87.0 g H2O(s) at −24.0 ∘C−24.0⁢ ∘C to…

A: Firstly, the heat to move the solid water from -24.0°C to 0.0°C the heat needed to convert from…

Q: A quantity of 8.90 × 102 mL of 0.800 M HNO3 is mixed with 8.90 × 102 mL of 0.400 M Ba(OH)2 in a…

A: The question is based on the concept of specific heat capacity. it is defined as the amount of…

Q: At 1 atm, how much energy is required to heat 43.0 g H,O(s) at –24.0 °C to H,O(g) at 141.0 °C? Use…

Question

I need the answer as soon as possible

الموضوع :
EX8 Ĉ5 Hq iahites inaiw aut omatically with
aween sPark forming caog and water.
what is the weaction heat under standerde
canditions ?
Solved by Hess Law
& C5 Hq (3) +1202c8) > 5 C2 0g+9120 (4
-62.9
126 4
285-5

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

qsystem = -1834.3J, with a mZn = 34.8g (cZn = 0.390J/goC), What is the ∆T given the heat loss?
Which equation from the formula bank is used to determine the experimental heat (q) in kJ involved when in a combustion reaction of 0.45 g of ethylene (MM = 28.00 g/mol) in an uninsulated device submerged in 100.0 mL of water (density 1.00 g/mL, s = 4.184 J/goC) where the temperature change (DT) is recorded as 12.5oC?
Calculate the molar heat capacity at constant pressure (Cp) for a diatomic H2 gas(y = 1.41) with molar heat capacity at constant volume (Cv) of 20.42 J/mol-K?
Predict the output of energy as heat from the combustion of 1.0 dm3 of octane at 298 K and 1 bar. Its mass density is 0.703 g cm−3.
The value of the heat capacity at constant volume, CV,,m, for a gas sample was found to vary with temperature according to the expression CV,m (in J mol-1 K-1) = 11.86 + 0.3665 T. Calculate the change in the internal energy of 1.00 mol of the gas when the temperature is raised from 25oC to 200oC at constant volume,. [26.8 kJ]
1.65 mol of a perfect gas for which Cv,m = 12.47 J K–1 mol–1 is subjected to two successive changes in state: (1) from 37.0 oC and 1.00´105 Pa, the gas is expended isothermally against a constant pressure of 16.5´103 Pa to twice its initial volume. (2) At the end of the previous process, the gas is cooled at constant volume from 37.0 oC to - 23.0 oC. (a) Calculate q , w , DU, DH for each of the stages.
. A 2.50 mole sample of a perfect gas for which Cv,m = 3R/2 (assume constant over T-range) undergoes the following two-step process: (1) from an initial state of the gas described by T = 13 ºC and P = 1.75 x 105 Pa, the gas undergoes an isothermal expansion against a constant pressure of 3.75 x 104 Pa until the volume has doubled. (2) subsequently, the gas is cooled at constant volume. The temperature falls to -24ºC. Calculate q, w, ∆U, and ∆H for each step and for the overall process.
A sample of solid biphenyl weighing 0.5260 g was ignited in a bomb calorimeter initially at 25.0°C, producing a temperature rise of 1.910 K. Determine the internal energy (∆U) of combustion. To properly determine the internal energy of combustion for the solid biphenyl, the calorimeter was first calibrated. a)A 0.7750 g sample of benzoic acid (C₆H₅COOH, MW 122.1 g/mol)) was ignited under identical conditions and produced a temperature rise of 1.940 K. For benzoic acid, the internal energy combustion at constant volume, ∆U, is known to be –3226 kJ/mol. Calculate the calorimeter constant, in kJ/K. b)using the caloremeter constant, determine triangleU, in KJ/mol, for the conbustion of solid biphenyl ((C6H5)2, MW 154.21 g/mol)
At constant pressure and 25C, what is enthalpy for the reaction: 2C2H6 + 7O2 -> 4CO2 + H2O, if the complete consumption of 12g of C2H6 liberates - 700kJ of heat energy? (-3508 kJ)
a) A 1.60 dm3 sample of a mixture of methane gas, CH4 and oxygen gas, measured at 25 oC and 101 kPa, was allowed to react in a bomb calorimeter in which, had a heat capacity of 5.30 kJ/K altogether with its contents. The complete combustion of the methane gas to carbon dioxide gas and water caused a temperature rise in the calorimeter of 6.28 K. Given that ∆Ho c (CH4) is -560 kJ/mol. i. Define the standard enthalpy of combustion of methane ii. Write a thermochemical equation for the combustion of methane iii. Knowing the ∆Ho c of methane, calculate the number of mole of methane in the mixture. iv. Calculate the total moles of gases in the calorimeter.
1. Calculate the standard enthalpy of formation of C10H10. Its standard enthalpy of combustion is shown by the equation: 2C10H10 (l) + 25O2 (g) → 20CO2 (g) + 10H2O (l) ∆H = 10,314 KJ/mol The standard heat of formation (KJ/mol) at 298.15oC : CO2 = -393.5 ; H2O(l) = -285.8 2. Determine ΔG° at 298.15K for the reaction: 4Fe (s) + 3O2 (g) → 2Fe2O3 (s) Given that ΔH° = -1648 kJ ; ΔS° = -549.3 J/K 3. In the picture, Find the the ∆H°rxn if ∆G°rxn is 420 kJ/mol and ∆S°rxn is -143 J/mol*k
One mole of a monatomic ideal gas begins in a state withP 5 1.00 atm and T 5 300 K. It is expanded reversiblyand adiabatically until the volume has doubled; then it isexpanded irreversibly and isothermally into a vacuumuntil the volume has doubled again; and then it is heatedreversibly at constant volume to 400 K. Finally, it is compressed reversibly and isothermally until a inal state withP 5 1.00 atm and T 5 400 K is reached. Calculate DSsysfor this process. (Hint: There are two ways to solve thisproblem—an easy way and a hard way.)