Solve for the enthalpy change when 45.1 g of H,O changes from the gas to the...
if u can show how u do each one, that would be
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How much heat is required to convert 90 g of ice at - 40.0°C into water at 60.0°C? The specific heats (Cs) of ice, water, and steam are 2.09 J/gK, 4.18 J/gK, and 1.84 J/gK, respectively. For H0 AH A) 60.1 kJ = 6.01 kJ/mol, and AH B) 18.8 kJ -40.67 kJ/mol. C) 45.1 kJ D) 37.6 kJ E) 30.5 kJ 11. What is correct for a...
23. The enthalpy change for converting 10.0 g of water at 25.0eC to steam at 135.0eC is kJ. The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-K, and 1.84 J/g-K, respectively. For H20, AHius = 6.01 kJ/mol, and AHvap = 40.67 kJ/mol ku. 24. The enthalpy change for converting 1.00 mol of ice at -50.0eC to water at 70.0e is The specific heats of ice, water, and steam are 2.09 J/g-K, 4.18 J/g-K, and 1.84 J/g-K,...
Part A Calculate the enthalpy change, AH, for the process in which 16.0 g of water is converted from liquid at 15.2 °C to vapor at 25.0 °C. For water, AH vap - 44,0 kJ/mol at 25.0 °C and C = 4.18 J/(8°C) for H, O(1).
Calculate the enthalpy change, Delta H process in which 32.5 g water is converted from liquid at 18.9 C to vapor 25.0 degrees C. For water Delta H vap =44.0 kJ/mol at 25.0 °C and Cs=4.18 J/(g*^ C) for H2O (l)
21. What is the enthalpy change (KJ) during the process in which 200.0 g of water at 60.0 °C is cooled to -25°C? The specific heats of ice, and liquid water, and 2.03 J/g-K, and 4.18 J/g-K, respectively. For H,O, AH = 6.01 kJ/mol A. 127 B. -127 C. 117 D. -117
21. What is the enthalpy change (KJ) during the process in which 200.0 g of water at 60.0 °C is cooled to -25°C? The specific heats of ice, and liquid water, and 2.03 J/g-K, and 4.18 J/g-K, respectively. For H O, AH = 6.01 kJ/mol 2 ***"fas A. 127 B. -127 C. 117 D. -117
What is the enthalpy change (KJ) during the process in which 200.0 g of water at 60.0 Celsius is cooled to -25 Celsius? The specific heats of ice, and liquid water, and 2.03 J/g-K, and 4.18 J/g-K, respectively. For H 2 O, delta H fus = 6.01 kJ/mol
problem 8.1
The change of state from liquid H,Oto gaseous H.Ohas AH- +9.72 kcal/mol (+40.7 kJ/mol) and AS +26.1 cal/mol K) [+109 J/(molK) Review Constants What are the values of AH (in kcal/mol and kJ/mol for the change from gaseous to liquid H,0? Enter your answers numerically separated by a comma. AH kcal/mol. kJ/mol Submit Request Answer Part C What are the values of AS (in cal/mol · K) and J/(mol-K)) for the change from gaseous to liquid H. Enter...
Question 4 of 4 > The enthalpy changes, AH, for three reactions are given. H, ()0,()H,O) Ca(s) +2H (aq) Ca2 (aq) +H,(g) CaO(s) +2H (aq) - AH=-286 kJ/mol AH= -544 kJ/mol Ca2 (aq) +H,O() AH =-193 kJ/mol Using Hess's law, calculate the heat of formation for CaO(s) using the reaction shown. 0,()Ca) Ca(s) + kJ/mol ΔΗ- TOOLS During an experiment, a student adds 1.81 g CaO to 300.0 mL of 1.000 M HCI. The student observès a temperature increase of...
A CHE TASK: The Six Possible Phase Changes: The figure below (Silberberg 5 d.) is similar to Figure 1227 of your textbook. In each vertical box supply the name of the phase change that is shown. In each of the square DOXOS provide the numerical value, including sign for the enthalpy change associated with that phase change. Note that the values in this fine are specific to water. Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display...