**Practice Exercise 1**When 0.243 g of Mg metal is combined with enough HCl to make 100 mL of solution in a constant-pressure calorimeter, the following reaction occurs:\[ \text{Mg (s) + 2 HCl (aq) } \rightarrow \text{ MgCl}_2 \text{(aq) + H}_2 \text{(g)} \]If the temperature of the solution increases from 23.0°C to 34.1°C as a result of this reaction, calculate \( \Delta H \) in kJ/mol Mg. Assume that the solution has a specific heat of 4.18 J/g°C and...

Answered: Image /qna-images/answer/28d07ccc-fd82-4460-8c93-2254d3d0f9b3.jpg

Practice Exercise 1 When 0.243 g of Mg metal is combined with enough HCl to make 100 mL of solution in a constant-pressure calorimeter, the following reaction occurs: Mg(s) + 2 HCI(aq) MgCl2(aq) + H2(8) - If the temperature of the solution increases from 23.0 to 34.1 °C as a result of this reaction, calculate AH in kJ/mol Mg. Assume that the solution has a specific heat of 4.18 J/g-°C and

Practice Exercise 1 When 0.243 g of Mg metal is combined with enough HCl to make 100 mL of solution in a constant-pressure calorimeter, the following reaction occurs: Mg(s) + 2 HCI(aq) MgCl2(aq) + H2(8) - If the temperature of the solution increases from 23.0 to 34.1 °C as a result of this reaction, calculate AH in kJ/mol Mg. Assume that the solution has a specific heat of 4.18 J/g-°C and

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

Similar questions

Determine the AH for the reaction 2 N₂O3(g) From the equation: 1. N₂O3(g) 2. 2 N2(g) + 1/2O2(g) 3. 2 N2(g) + O2(g) - 2 N2(g) + 3 O2(g) NO(g) +NO2(g) NO(g) NO2(g) AH = 39.7 kJ AH = 90.4 kJ ΔΗ = 33.8 kJ
I am having a hard time with this question
This is a practice related question
Review I Constants I Periodic Table Part A In the following experiment, a coffee-cup calorimeter containing 100 mL of H, 0 is used. The initial temperature of the calorimeter is 23.0 °C. If 3.50 g of CaCl, is added to the calorimeter, what will be the final temperature of the solution in the calorimeter? The heat of solution AHoln of CaCl, is -82.8 kJ/mol. Assume that the specific heat of the solution formed in the calorimeter is the same as that for pure water: C, = 4.184 J/g °C. Express your answer with the appropriate units. > View Available Hint(s) HA Value Units Submit < Return to Assignment Provide Feedback
Consider the following example (reduction of iron oxide): Fe₂O3(s) + 3H₂(g) →2Fe(s) + 3H₂O(1) AH (kJ/mol) Compound Fe₂O3(s) H₂(g) Fe(s) H₂O(1) -824.2 0.0 0.0 -285.83 What is the enthalpy change at 358K with the following heat capacities of the compounds? Compound C₂ (J/mol/K) Fe₂O3(s) 103.8 28.8 25.1 75.3 H₂(g) Fe(s) H₂O(1)
Question 5 If 0.685 mol of NH3(g) reacts with excess HCI(g) at 50°C for the following reaction, NH3(g) + HCI(g)NH4CI(s) what is the work done in terms of the system? +1.84 kJ -1.84 kJ +3.68 kJ -3.68 kJ
Do all and label question with problem
Question 7 of 8 Submit What is the change in enthalpy in kilojoules when 3.24 g of CH:OH gas is completely reacted according to the following reaction? CH.OH(g) – CH:(g) + O2(g) AH = 252.8 kJ STARTING AMOUNT ADD FACTOR ANSWER RESET *( ) 4.00 x 10-4 0.001 2 25.6 0.101 16.05 32.05 12.8 252.8 6.022 x 1023 3.24 1 1000 32.00 7.80 x 10-4 mol CH4 g O2 mol CH:OH g CH. kJ mol O2 J g CH:OH
QUESTION 18 PLEASE
Show step by step solution
calculating heat of combustion of quinone
What is the heat of formation of FeO, based on the data