d) 0.19 J/g•°C 289 1834 17. How many mL of 0.116 M Ba(OH)2 are required to completely neutralize 150.0 mL of 0.280 M HNO3? 0.780.m 0.100Lx 0.042moL a. 241mL b. 773 mL O,01ml 0.181L C. 536 mL d. 181 mL 0.021moll=o.16asly 18. A coffee-cup calorimeter contains 100.0 mL of 1.00 M HCl at 20.0°C. When 0.243 g of Mg metal is added to the acid, the ensuing reaction: Mg(s) +2 HCl(aq) → MgCl2(aq) + H2(g) AHrxn = ? causes the temperature of the solution to increase to 33.0°C. What is the value of AHn of the reaction? The density of the solution is 1.01 g/mL and specific heat is 4.18 J/(g · °C). rxn a. -326 kJ/mol AT:33,0°C b. -464 kJ/mol -549 kJ/mol 100mL to.lL c. 36.4589 =3.6758t0.2435 d. -784 kJ/mol Inol - 3.888gr 3.85mL 536.315 4,885 1.015 3.888g () (33)
d) 0.19 J/g•°C 289 1834 17. How many mL of 0.116 M Ba(OH)2 are required to completely neutralize 150.0 mL of 0.280 M HNO3? 0.780.m 0.100Lx 0.042moL a. 241mL b. 773 mL O,01ml 0.181L C. 536 mL d. 181 mL 0.021moll=o.16asly 18. A coffee-cup calorimeter contains 100.0 mL of 1.00 M HCl at 20.0°C. When 0.243 g of Mg metal is added to the acid, the ensuing reaction: Mg(s) +2 HCl(aq) → MgCl2(aq) + H2(g) AHrxn = ? causes the temperature of the solution to increase to 33.0°C. What is the value of AHn of the reaction? The density of the solution is 1.01 g/mL and specific heat is 4.18 J/(g · °C). rxn a. -326 kJ/mol AT:33,0°C b. -464 kJ/mol -549 kJ/mol 100mL to.lL c. 36.4589 =3.6758t0.2435 d. -784 kJ/mol Inol - 3.888gr 3.85mL 536.315 4,885 1.015 3.888g () (33)
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter15: Solutions
Section: Chapter Questions
Problem 55QAP
Related questions
Question
100%
Help with 18 please.
![d) 0.19 J/g•°C
289
1834
17. How many mL of 0.116 M Ba(OH)2 are required to completely neutralize 150.0 mL of 0.280
M HNO3?
0.780.m
0.100Lx
0.042moL
a.
241mL
b. 773 mL
O,01ml
0.181L
C.
536 mL
d. 181 mL
0.021moll=o.16asly
18. A coffee-cup calorimeter contains 100.0 mL of 1.00 M HCl at 20.0°C. When 0.243 g of Mg
metal is added to the acid, the ensuing reaction:
Mg(s) +2 HCl(aq) → MgCl2(aq) + H2(g)
AHrxn = ?
causes the temperature of the solution to increase to 33.0°C. What is the value of AHn of
the reaction? The density of the solution is 1.01 g/mL and specific heat is 4.18 J/(g · °C).
rxn
a. -326 kJ/mol
AT:33,0°C
b. -464 kJ/mol
-549 kJ/mol
100mL to.lL
c.
36.4589 =3.6758t0.2435
d. -784 kJ/mol
Inol
- 3.888gr 3.85mL
536.315
4,885
1.015
3.888g () (33)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0959128f-1417-4f4f-bd20-8f81c7fe5d61%2Ffb79458c-f9dc-419c-9126-d7eb320fbb15%2Flh3yloys.jpeg&w=3840&q=75)
Transcribed Image Text:d) 0.19 J/g•°C
289
1834
17. How many mL of 0.116 M Ba(OH)2 are required to completely neutralize 150.0 mL of 0.280
M HNO3?
0.780.m
0.100Lx
0.042moL
a.
241mL
b. 773 mL
O,01ml
0.181L
C.
536 mL
d. 181 mL
0.021moll=o.16asly
18. A coffee-cup calorimeter contains 100.0 mL of 1.00 M HCl at 20.0°C. When 0.243 g of Mg
metal is added to the acid, the ensuing reaction:
Mg(s) +2 HCl(aq) → MgCl2(aq) + H2(g)
AHrxn = ?
causes the temperature of the solution to increase to 33.0°C. What is the value of AHn of
the reaction? The density of the solution is 1.01 g/mL and specific heat is 4.18 J/(g · °C).
rxn
a. -326 kJ/mol
AT:33,0°C
b. -464 kJ/mol
-549 kJ/mol
100mL to.lL
c.
36.4589 =3.6758t0.2435
d. -784 kJ/mol
Inol
- 3.888gr 3.85mL
536.315
4,885
1.015
3.888g () (33)
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