I think I understand but I'm not to sure can some one help?
ThanksHomework Answers
q released = n*s*DT + n*DT + n*s*DT
= (450/28.02)*29.2*(296.15-77.355)+(450/28)*5.56*10^3+(450/28)*56.04*(77.355-73.15)
= 196 kj
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I think I understand but I'm not to sure can some one help?
Thanks
u uBder...
Malings Re v iew References -A AD E D- A Experiment 12.deca Read-Only-Word Tell me what...
Malings Re v iew References -A AD E D- A Experiment 12.deca Read-Only-Word Tell me what you want to die ABECEDE ABCD AaBb - Normal The Spac. Heading! S Aa Bbce AaB Aabbet abc Heading The Subtitle Suite 3 1) Draw the Lewis structure and identify the strongest intermolecular force for each of the molecules. H₂O N2 CH₂O 2) Given the data below for molecules A, B, and identify which of our molecules is associated with each set of data....
26. Dissolving solid NaOH in water is an exothermic process. We can think of this process...
26. Dissolving solid NaOH in water is an exothermic process. We can think of this process like a "reaction" that has AHex = -42 kJ/mol of NaOH. What would be the final temperature of an aqueous solution when 3.0 moles of NaOH is added to 500 mL of water starting at 20 °C? Assume the density of the solution is 1.0 g/mL and the specific heat capacity c = 4.184 J/g°C.
I know this is a big one but I've tried and gotten it wrong 4 times...
I know this is a big one but I've tried and gotten it wrong 4
times and this is my last attempt. Thanks in advance!
A piece of solid aluminum weighing 39.4 g at a temperature of 586 °C is placed in 394 g of liquid aluminum at a temperature of 663 °C. After a while, the solid melts and a completely liquid sample remains. Calculate the temperature after thermal equilibrium is reached, assuming no heat loss to the surroundings....
Chapter 5 and Chapter 10 Problem solving (please practice the following questions and make sure that you understand...
Chapter 5 and Chapter 10 Problem solving (please practice the following questions and make sure that you understand the principles behind: you can find Ar from textbook or website I. A 145 g sample of copper metal at 100.0°C is placed into 250.0 g of water at 25.0°C in a calorimeter. When the system reaches thermal equilibrium, the temperature of the water in the calorimeter is 28.8°C. Assume the calorimeter is perfectly insulated. What is the specific heat capacity of...
vice Desk Faculty Help Page Student Help Question 4 Incorrect Calculate w (in kJ) when 189...
vice Desk Faculty Help Page Student Help Question 4 Incorrect Calculate w (in kJ) when 189 g iron (In) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 451 K: Mark 0.00 out of 1.00 2Fe2O3(s) + 3C(s) + 4Fe(s) + 3C02(g) P Flag question Answer: -4426.8 Hint, is the work (-) or (+)? Question 7 Incorrect Mark 0.00 out of 1.00 A reaction at 4.21 atm produces 24.6 L of a gas and...
I would like the answer for two questions. question 29 and question 46 All of the...
I
would like the answer for two questions. question 29 and question
46
All of the above are correct. Question 46 (2 points) What is the initial pressure of a gas having an initial temperature of 90.5K, an initial volume of 40.3 L, a final pressure of 0.83 atm, a final temperature of 0.54 K and a final volume of 2.7 L O4.0 atm 1.3 atm 1.9 atm 0.074 uestion 47 (2 points) ✓ Saved The density of is 0.900...
25) Objects can possess energy as (a) endothermic energy (b) potential energy (c) kinetic energy A) a only B) b...
25) Objects can possess energy as (a) endothermic energy (b) potential energy (c) kinetic energy A) a only B) b only C) c only D) bandc E) a and 33) The value of AH' for the reaction below is - 790 kl. The enthalpy change accompanying the reaction of 0.95 g of Sis_ k 33) 25 (s) + 302 (9) -2503 (9) A) 12 B) 23 C) -23 D) - 790 E) -12 34) The value of AH' for the...
I just need help with the practice excersise. a) Large beds of rocks are used in...
I just need help with the practice excersise.
a)
Large beds of rocks are used in some solar – heated homes to store
heat. Assume that the specific heat of the rocks is 0.82 J/g-K.
calculate the quantity of heat absorbed by 50.0 kg of rocks if
their temperature increases by 12.0 degrees Celsius. (b) what
temperature change would these rocks undergo if they emitted 450 kJ
of heat?
per mole undergoes a temperature change of Salve AT = 98...
Hi.can you help me answer these questions.thank you so much for your help.i really need your...
Hi.can you help me answer these questions.thank you so
much for your help.i really need your help.
1 il. A 10 Sample Of Octane 6 C4 H ) is burned in 0 60ml Calorimeter containing 200 grams of water Q+On Initi al temperature Of 15.00°C.After the reaction the final temperature of water is 33.20°C. The heat Capacity of th Colorimeter 18 837 JQ Kl. The specific heat of water is 4.18 4 JGK Calculote the heat of combustion of action...
may absorb 11. Carbon monoxide rcacts with oxygen to form carbon dionide 2 CO(g)+ 0(g)2 COg)...
may absorb 11. Carbon monoxide rcacts with oxygen to form carbon dionide 2 CO(g)+ 0(g)2 COg) In a 1.00 L flask, 4.30 atm of CO reacts with 2.50 atm of O. Assuming that the temperature remains constant, what is the final pressure in the flask? a. 4.30 atm b. 6.80 atm 1.80 atm d. 4.65 atm 2.50 atm c. e. 12. A balloon is filled with He gas to a volume of 2.10 L at 35 °C. The baloon is...
Malings Re v iew References -A AD E D- A Experiment 12.deca Read-Only-Word Tell me what you want to die ABECEDE ABCD AaBb - Normal The Spac. Heading! S Aa Bbce AaB Aabbet abc Heading The Subtitle Suite 3 1) Draw the Lewis structure and identify the strongest intermolecular force for each of the molecules. H₂O N2 CH₂O 2) Given the data below for molecules A, B, and identify which of our molecules is associated with each set of data....
26. Dissolving solid NaOH in water is an exothermic process. We can think of this process like a "reaction" that has AHex = -42 kJ/mol of NaOH. What would be the final temperature of an aqueous solution when 3.0 moles of NaOH is added to 500 mL of water starting at 20 °C? Assume the density of the solution is 1.0 g/mL and the specific heat capacity c = 4.184 J/g°C.
I know this is a big one but I've tried and gotten it wrong 4
times and this is my last attempt. Thanks in advance!
A piece of solid aluminum weighing 39.4 g at a temperature of 586 °C is placed in 394 g of liquid aluminum at a temperature of 663 °C. After a while, the solid melts and a completely liquid sample remains. Calculate the temperature after thermal equilibrium is reached, assuming no heat loss to the surroundings....
Chapter 5 and Chapter 10 Problem solving (please practice the following questions and make sure that you understand the principles behind: you can find Ar from textbook or website I. A 145 g sample of copper metal at 100.0°C is placed into 250.0 g of water at 25.0°C in a calorimeter. When the system reaches thermal equilibrium, the temperature of the water in the calorimeter is 28.8°C. Assume the calorimeter is perfectly insulated. What is the specific heat capacity of...
vice Desk Faculty Help Page Student Help Question 4 Incorrect Calculate w (in kJ) when 189 g iron (In) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 451 K: Mark 0.00 out of 1.00 2Fe2O3(s) + 3C(s) + 4Fe(s) + 3C02(g) P Flag question Answer: -4426.8 Hint, is the work (-) or (+)? Question 7 Incorrect Mark 0.00 out of 1.00 A reaction at 4.21 atm produces 24.6 L of a gas and...
I
would like the answer for two questions. question 29 and question
46
All of the above are correct. Question 46 (2 points) What is the initial pressure of a gas having an initial temperature of 90.5K, an initial volume of 40.3 L, a final pressure of 0.83 atm, a final temperature of 0.54 K and a final volume of 2.7 L O4.0 atm 1.3 atm 1.9 atm 0.074 uestion 47 (2 points) ✓ Saved The density of is 0.900...
25) Objects can possess energy as (a) endothermic energy (b) potential energy (c) kinetic energy A) a only B) b only C) c only D) bandc E) a and 33) The value of AH' for the reaction below is - 790 kl. The enthalpy change accompanying the reaction of 0.95 g of Sis_ k 33) 25 (s) + 302 (9) -2503 (9) A) 12 B) 23 C) -23 D) - 790 E) -12 34) The value of AH' for the...
I just need help with the practice excersise.
a)
Large beds of rocks are used in some solar – heated homes to store
heat. Assume that the specific heat of the rocks is 0.82 J/g-K.
calculate the quantity of heat absorbed by 50.0 kg of rocks if
their temperature increases by 12.0 degrees Celsius. (b) what
temperature change would these rocks undergo if they emitted 450 kJ
of heat?
per mole undergoes a temperature change of Salve AT = 98...
Hi.can you help me answer these questions.thank you so
much for your help.i really need your help.
1 il. A 10 Sample Of Octane 6 C4 H ) is burned in 0 60ml Calorimeter containing 200 grams of water Q+On Initi al temperature Of 15.00°C.After the reaction the final temperature of water is 33.20°C. The heat Capacity of th Colorimeter 18 837 JQ Kl. The specific heat of water is 4.18 4 JGK Calculote the heat of combustion of action...
may absorb 11. Carbon monoxide rcacts with oxygen to form carbon dionide 2 CO(g)+ 0(g)2 COg) In a 1.00 L flask, 4.30 atm of CO reacts with 2.50 atm of O. Assuming that the temperature remains constant, what is the final pressure in the flask? a. 4.30 atm b. 6.80 atm 1.80 atm d. 4.65 atm 2.50 atm c. e. 12. A balloon is filled with He gas to a volume of 2.10 L at 35 °C. The baloon is...
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