1.(STA student synthesized a fictional solid compound A2D6 when he mixed a 500. mLsolution 0.500 M A3 and of 45.0 g of solid D4 (MW: 193.04). In this process 94.00 kJ of heatwas used and the student noticed the flask getting colder. Write the thermochemical reactionfor the synthesis of fictional solid compound A2D6. endo-colder (+)

Answered: Image /qna-images/answer/f3ad5ad4-4de6-45df-9a61-c42c5455b62f.jpg

Answered: 1. (STA student synthesized a fictional…

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...

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Similar questions

From the following data, determine the enthalpy of formation (ΔfHƟT) for diborane, B2H6(g), at 298 K:
a. N2(g) + 3H2(g) → 2NH3(g) b. 4NH3(g) + 5O2(g) → 4NO(g) + 6H2O(g) c. 6NO2(g) + 8NH3(g) → 7N2(g) + 12H2O(g) Determine the standard heat for one of the reactions above: part (a) at 600°C,part (b) at 50°C, part (c) at 650°C
5.000 g of aluminum (III) chloride is dissolved in 60.0 mL of water. The temperature changes by 0.331C. The specific heat capacity of aluminum (III) chloride is 0.903 ??∙°C. What is deltaHs?
If 1.82 g of HCI is made to react with 2 grams of NaOH in water in a calorimeter (Ccal =25.0 JOC) which registered a temperature increased by 15 °C what will be the molar heat of reaction in Kj/mol, if the reaction produced .05 mole of the product. 2 decimal place and indicate the required unit with space ex. 100.25 KJ/mol
300.00 mL of 0.200 M aqueous KOH neutralizes 150.00 mL of aqueous 0.200 M H2SO4. If the initial temperature is 22.3 C and it rises to 29.2 C determine the molar heat fro the neutralization of KOH. Express your answer kj/mole KOH. The specific heat of solution is 4.190 J/g C. Assume the density of the solution is 1.00 g/mL
The molar heat capacity at constant pressure for CO(g) is 6.97 cal mol K1. How much heat in cal is required to raise 0.58 g of CO(g) from 296 to 412K? Atomic Mass: C: 12.011 g/mol O: 15.999 g/mol Round your answer to 2 decimal places.
A solution is made by mixing 287.0 mL287.0 mL of ethanol initially at 13.1 ∘C13.1⁢ ∘C with 287.0 mL287.0 mL of water initially at 22.0 ∘C22.0⁢ ∘C. What is the final temperature of the solution assuming that no heat is lost? The density of ethanol is 0.789 g/mL0.789 g/mL and the density of water is 1.00 g/mL1.00 g/mL. The specific heat of ethanol is 2.46 J/g·°C2.46 J/g·°C and the specific heat of water is 4.184 J/g·°C4.184 J/g·°C.
The molar heat capacity at constant pressure for CO(g) is 6.97 cal mol-1 K-1. How much heat in cal is required to raise 0.64 g of CO(g) from 303 to 376K? Atomic Mass: C: 12.011 g/mol O: 15.999 g/mol Round your answer to 2 decimal places.
The G.R.A.S.P. method
The thermite reaction, used for welding iron, is the reaction of FegO4 with Al. 8 Al (s) + 3 Fe3O4 (s) > 4 Al203 (s) + 9 Fe (s) AH° = -3350 kJ Because this large amount of heat cannot be rapidly dissipated to the surroundings, the reacting mass may reach temperatures near 3000°C. How much heat (in kJ) is released by the reaction of 16.5 g of Al with 76.7 g of Fe304? Enter your numerical answer in units of kJ.
Calcium acetate, Ca(CH3COO)2 has a molar mass of 158.17 g/mol. In a constant pressure calorimeter, 44.2 g of Ca(CH3COO)2 is dissolved in 861g of water at 25.00 °C. The heat produced by the solution was determined to be 15kJ. What is the final temperature of the solution? q= - msAT SH20 = 4.184 29.0 °C O 18.4 °C O 64.6 °C O 33.8 °C O 3.96 °C O 21.0 °C
Consider the following two-step reaction:C2H4(g) + Cl2 = C2H2Cl4(l) + H2(g) delta H = -385.76 kJ/mol C2H2Cl4(l) = C2HCl3(l) + HCl(g) Show that the overall reaction has standard heat equal to -421.017 kJ/mol using the heats of formation method.

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