Homework Answers
Add Answer to:
Please show me how to get the correct answer B, in preperation for my upcoming exam...
please show me how to get the correct answer in preperation for my upcoming exam 12.)...
please show me how to get the correct answer in preperation
for my upcoming exam
12.) C
12) In the presence of excess oxygen, methane gas burns in a constant-pressure system to yield carbon dioxide and water: CH4 (8) +202 (8) -- CO2 (g) + 2H20 (1) AH =-890.0 kJ Calculate the value of q (kl) in this exothermic reaction when 1.80 g of methane is combusted at constant pressure. A) 0.0324 kJ B) -1.00 x 105 kJ C) -100.1...
please show me how to get the correct answers in preperation for my upcoming exam 20.)...
please show me how to get the correct answers in preperation
for my upcoming exam
20.) A 21.) A
20) The value of AH° for the reaction below is -1107 k]: 2Ba (s) +O2 (g)2BaO (s) How many kJ of heat are released when 5.75 g of Ba (s) reacts completely with oxygen to form BaO (s)? A) 23.2 kJ D) 96.3 kJ C) 26.3 kJ E) 46.4 kJ B) 193 kJ 21) The value of AH° for the following...
please show me how to get the correct answer in preperation for my upcoming exam 1.)...
please show me how to get the correct answer in preperation for my
upcoming exam
1.) B 3.) D 4.) C
Chemistry 1171 Practice Exam 3 (Chapter 5 & 6) 1. If 30.0 L of oxygen are cooled at constant pressure from 200°C to 1°C, what is the new volume of oxygen? A. 0.150 L B . 17.4 L c . 23.0L D. 51.8 L E. 6.00 x 10 L 3. At what temperature will a fixed amount of gas...
please show me how to get the correct answers in preperation for my upcoming exam 6.)...
please show me how to get the correct answers in preperation
for my upcoming exam
6.) E 10.) B 12.) C
6) The density of nitric oxide (NO) gas at0.970 atm and 34.9 °C is A) 0.0384 B) 10.2 C) 0.869 8/L. D) 0.339 E) 1.15 10) A pressure vessel contains CO2 (PCO2 = 3.78 atm) and O2 (P02 -6 atm) gases at a total pressure of 9.78 atm. What is the mole-fraction of CO2 and O2 gases, respectively? A)...
please show me how to get the correct answers in preperation for my upcoming exam 11.)...
please show me how to get the correct answers in preperation
for my upcoming exam
11.) D 12.) C
11. If 325 g of water at 4.20°C absorbs 12.28 kJ of heat, what is the final temperature of the water? A. 4.21°C B. 4.80°C c. 9.00°C D . 13.2°CE . 2938°C 12. Naphthalene combustion can be used to calibrate the heat capacity of a bomb calorimeter. The heat of combustion of naphthalene is -40.1 kJ/g. When 0.8210 ao naphthalene was...
please show me how to get the correct answers in preperation for my upcoming exam 5.)...
please show me how to get the correct answers in preperation
for my upcoming exam
5.) C 6.) B 7.) D
B. I.S4 5. Calculate the mass in grams of 2.74 L of co gas measured at 33°C and 945 mm Hq. A. 0.263 g E. 206 g c. 3.80 g D. 35.2 g B. 2.46 g 6. Calculate the density of Ar (g) at -11°C and 675 mm Hg. E. 1250 g/L A. 1.52 g/L D. 39.9 g/L c....
please show me how to get the correct answers in preperation for my upcoming exam 8.)...
please show me how to get the correct answers in preperation
for my upcoming exam
8.) A 9.) D
8. A sample of carbon monoxide gas was collected in a 2.0 L flask by displacing water at 28°C and 810 mm Hq. Calculate the number of CO molecules in the flask. The vapor pressure of water at 28°C is 28.3 mm Hg. A. 5.0 x 1022 B. 5.2 x 1022 C. 3.8 x 1023 E. 3.8 x 1025 D. 5.4...
please show me how to get the correct answers in preperation for my upcoming exam 27.)...
please show me how to get the correct answers in preperation
for my upcoming exam
27.) C 28.) B 29.) B
27) The value of AHº for the reaction below is +128.1 kJ: CH3OH (1) CO (g) + 2H2 (g) How much heat is consumed when 87.1 g of hydrogen gas is formed? A) -2.76x103 kJ B) -128.1 kJ C) 2.76 x103 kJ D) -5.52 x103 kJ E) 5.52 x103 kJ 28) How many joules of heat are absorbed when...
please show me how to get the correct answers in preperation for my upcoming exam 22.) E 23.) D 22) During volcanic...
please show me how to get the correct answers in preperation
for my upcoming exam
22.) E 23.) D
22) During volcanic eruptions, hydrogen sulfide gas is given off and oxidized by air according to the following chemical equation: 2H2S(g) + 302(g) - 2802(g) + 2H2O(g) Calculate the standard enthalpy change for the above reaction given: 3S(s) + 2H2O(g) → 2H2S(g) + SO2(g) AH° = 146.9 kJ/mol S(s) + O2(g) → SO2(g) AH°= -296.4 kJ/mol A) 443.3 kJ/mol B) 742.3...
pleasee show me how to get the correct answers in preperation for my upcoming exam 2.)...
pleasee show me how to get the correct answers in preperation
for my upcoming exam
2.) D 3.) B 4.) D
2) A 5.00-g sample of copper metal at 25.0°C is heated by the addition of 133 J of energy. The final temperature of the copper is °C. The specific heat capacity of copper is 0.38 J/g-K. A) 45.0 B) 25.0 C) 70.0 D) 95.0 E) 35.1 250 3) The value of AE for a system that performs 151 kJ...
please show me how to get the correct answer in preperation
for my upcoming exam
12.) C
12) In the presence of excess oxygen, methane gas burns in a constant-pressure system to yield carbon dioxide and water: CH4 (8) +202 (8) -- CO2 (g) + 2H20 (1) AH =-890.0 kJ Calculate the value of q (kl) in this exothermic reaction when 1.80 g of methane is combusted at constant pressure. A) 0.0324 kJ B) -1.00 x 105 kJ C) -100.1...
please show me how to get the correct answers in preperation
for my upcoming exam
20.) A 21.) A
20) The value of AH° for the reaction below is -1107 k]: 2Ba (s) +O2 (g)2BaO (s) How many kJ of heat are released when 5.75 g of Ba (s) reacts completely with oxygen to form BaO (s)? A) 23.2 kJ D) 96.3 kJ C) 26.3 kJ E) 46.4 kJ B) 193 kJ 21) The value of AH° for the following...
please show me how to get the correct answer in preperation for my
upcoming exam
1.) B 3.) D 4.) C
Chemistry 1171 Practice Exam 3 (Chapter 5 & 6) 1. If 30.0 L of oxygen are cooled at constant pressure from 200°C to 1°C, what is the new volume of oxygen? A. 0.150 L B . 17.4 L c . 23.0L D. 51.8 L E. 6.00 x 10 L 3. At what temperature will a fixed amount of gas...
please show me how to get the correct answers in preperation
for my upcoming exam
6.) E 10.) B 12.) C
6) The density of nitric oxide (NO) gas at0.970 atm and 34.9 °C is A) 0.0384 B) 10.2 C) 0.869 8/L. D) 0.339 E) 1.15 10) A pressure vessel contains CO2 (PCO2 = 3.78 atm) and O2 (P02 -6 atm) gases at a total pressure of 9.78 atm. What is the mole-fraction of CO2 and O2 gases, respectively? A)...
please show me how to get the correct answers in preperation
for my upcoming exam
11.) D 12.) C
11. If 325 g of water at 4.20°C absorbs 12.28 kJ of heat, what is the final temperature of the water? A. 4.21°C B. 4.80°C c. 9.00°C D . 13.2°CE . 2938°C 12. Naphthalene combustion can be used to calibrate the heat capacity of a bomb calorimeter. The heat of combustion of naphthalene is -40.1 kJ/g. When 0.8210 ao naphthalene was...
please show me how to get the correct answers in preperation
for my upcoming exam
5.) C 6.) B 7.) D
B. I.S4 5. Calculate the mass in grams of 2.74 L of co gas measured at 33°C and 945 mm Hq. A. 0.263 g E. 206 g c. 3.80 g D. 35.2 g B. 2.46 g 6. Calculate the density of Ar (g) at -11°C and 675 mm Hg. E. 1250 g/L A. 1.52 g/L D. 39.9 g/L c....
please show me how to get the correct answers in preperation
for my upcoming exam
8.) A 9.) D
8. A sample of carbon monoxide gas was collected in a 2.0 L flask by displacing water at 28°C and 810 mm Hq. Calculate the number of CO molecules in the flask. The vapor pressure of water at 28°C is 28.3 mm Hg. A. 5.0 x 1022 B. 5.2 x 1022 C. 3.8 x 1023 E. 3.8 x 1025 D. 5.4...
please show me how to get the correct answers in preperation
for my upcoming exam
27.) C 28.) B 29.) B
27) The value of AHº for the reaction below is +128.1 kJ: CH3OH (1) CO (g) + 2H2 (g) How much heat is consumed when 87.1 g of hydrogen gas is formed? A) -2.76x103 kJ B) -128.1 kJ C) 2.76 x103 kJ D) -5.52 x103 kJ E) 5.52 x103 kJ 28) How many joules of heat are absorbed when...
please show me how to get the correct answers in preperation
for my upcoming exam
22.) E 23.) D
22) During volcanic eruptions, hydrogen sulfide gas is given off and oxidized by air according to the following chemical equation: 2H2S(g) + 302(g) - 2802(g) + 2H2O(g) Calculate the standard enthalpy change for the above reaction given: 3S(s) + 2H2O(g) → 2H2S(g) + SO2(g) AH° = 146.9 kJ/mol S(s) + O2(g) → SO2(g) AH°= -296.4 kJ/mol A) 443.3 kJ/mol B) 742.3...
pleasee show me how to get the correct answers in preperation
for my upcoming exam
2.) D 3.) B 4.) D
2) A 5.00-g sample of copper metal at 25.0°C is heated by the addition of 133 J of energy. The final temperature of the copper is °C. The specific heat capacity of copper is 0.38 J/g-K. A) 45.0 B) 25.0 C) 70.0 D) 95.0 E) 35.1 250 3) The value of AE for a system that performs 151 kJ...
Most questions answered within 3 hours.
-
At one point in a pipeline, the water's speed is 3.00 m/s and
the gauge pressure...
asked 2 minutes ago -
7. Most US law schools award the ___________ degree,
usually after a student has completed the equivalent...
asked 2 minutes ago -
A small business ships specialty homemade candies to anywhere in
the world. Past records indicate that...
asked 3 minutes ago -
You use a rope to slowly pull a sled and its passenger 60 m up a...
asked 4 minutes ago -
Determine the P-value for this hypothesis test. (Round to the
nearest three decimal places as needed)...
asked 6 minutes ago -
Weight gain during pregnancy. In 2004, the
state of North Carolina released to the public a...
asked 39 minutes ago -
Create a bottom-up solution to
the minimum
falling path sum problem. By bottom-up, I mean you should not
use...
asked 44 minutes ago -
According to an airline, flights on a certain route are on time
85% of the time....
asked 16 minutes ago -
Please answer broadly of the following 2 question:
Question 1: One
thousand lots of product, each...
asked 17 minutes ago -
Illustrate the operation of randomized
quicksort on the array: A = (19, 2, 11, 14, 7,...
asked 18 minutes ago -
In the real world:
A) price discrimination has only been observed where monopolies
are present
B)...
asked 20 minutes ago -
C++ program c that reads a list of costs for a few items.
Program should calculate...
asked 27 minutes ago