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A system comprised of 2.100 Times 10^1 g of C0_2(g) cools from 155.0^degree C to 45.0^degree...
Heat Capacity of a Gas at Constant Pressure A system comprised of 7.900×101 g of H2(g)...
Heat Capacity of a Gas at Constant Pressure
A system comprised of 7.900×101 g of
H2(g) cools from 170.0°C to
35.0°C at a constant pressure of 4.5
atm.
The molar heat capacity at constant pressure for
H2(g) is 28.86 J K−1
mol−1.
a) Calculate q.
b) Calculate w.
c) Calculate
.
d) Calculate
.
Note - for part a) I have tried -1.54*10^5 J, 1.54*10^5 J and
-3.08*10^5 J (these are all wrong). I'm on my last try, please
help!
Heat Capacity of a Gas at Constant Pressure A system comprised of 5.500x101 g of Ar(g)...
Heat Capacity of a Gas at Constant Pressure A system comprised of 5.500x101 g of Ar(g) cools from 165.0°C to 30.0°C at a constant pressure of 3.0 atm. The molar heat capacity at constant pressure for Ar(g) is 20.80 J K-1 mol-1. Calculate q. 1pts Submit Answer Tries 0/5 Calculate w 1pts Submit Answer Tries 0/5 Calculate ΔΕ. 1 pts Submit Answer Tries 0/5 Calculate ΔΗ. 1pts Submit Answer Tries 0/5
Need work step by step please! Heat Capacity of a Gas at Constant Pressure A system...
Need work step by step please!
Heat Capacity of a Gas at Constant Pressure A system comprised of 1.900x100 g of C2H6(9) cools from 180.0°C to 45.0°C at a constant pressure of 2.5 atm. The molar heat capacity at constant pressure for C2H6(9) is 52.92 J K-1 mol-1. Calculate q. 1 pts Submit Answer Tries 0/5 Calculate w. 1 pts Submit Answer Tries 0/5 Calculate ΔΕ. 1pts Submit Answer Tries 0/5 Calculate ΔΗ. 1pts Submit Answer Tries 0/5
How many moles of gas are there in a 45.0 L container at 25.0 degree C...
How many moles of gas are there in a 45.0 L container at 25.0 degree C and 500.0 mm Hg? (R - 0.082 L Atm/ mol.K) Sodium bicarbonate is reacted with concentrated hydrochloric acid at 37.0 degree C and 1.00 aim. The reaction of 6.00 kg of bicarbonate with excess hydrochloric acid under these conditions w ill produce w hat volume of the CO_2 gas? The value of Delta H degree for the reaction below is -482 kJ. Calculate the...
Heat Evolved During Combustion and Heat Capacity of a Gas at Constant Pressure A. Consider the...
Heat Evolved During Combustion and Heat Capacity of a
Gas at Constant Pressure
A.
Consider the following reaction:
2 C2H2(g) + 5
O2(g)
4 CO2(g) + 2H2O(l)
Use standard heats of formation from Zumdahl 'Chemical
Principles' 8th ed. Appendix Four pp A19 - A21.
a) How much heat is evolved when
1.440×101 moles of
C2H2(g) is burned in excess oxygen.
Answer to 4 sig figs.
b) How much heat is evolved when
2.250×102 g of CO2(g) is produced
from the...
6. A piece of 155.0 g aluminium metal at 120°C was placed in a constant pressure...
6. A piece of 155.0 g aluminium metal at 120°C was placed in a constant pressure calorimeter of negligible heat capacity containing 300.0 g of water at 20°C. Calculate the final temperature of the system (the aluminium metal and the water) in °C: given the specific heat of aluminium metal = 0.90 J/g °C, and that of water 4.184 J/g °C
The following information is given for water at latm: boiling point = 100.0 degree C Delta...
The following information is given for water at latm: boiling point = 100.0 degree C Delta H_vap(100.0 degree C) = 2.259xl03 J/g melting point = 0.000 degree C Delta H_fus(O.OOO degree C) = 333.5 J/g Specific heat solid = 2.100 J/g degree C specific heat liquid = 4.184 J/g degree C A 27.00 g sample of solid water is initially at -28.00 degree C. If 1.007xl04 J of heat are added to the sample at constant pressure (P = 1...
Use the Information given below, calculate the heat change of the system when 33.7 g of...
Use the Information given below, calculate the heat change of the system when 33.7 g of water at 32.5 degree C is converted to steam at 129.1 degree C. (C = specific heat capacity) Delta H_fusion for H_2O = 6.20 kJ/mol C_ice = 2.087 j/g degree C Delta H_vaporization for H_2O = 40.7 kJ/mol C_water = 4.184 J/g degree c molar mass H_2O = 18.01 g/mol C-steam = 1.966 j/g degree C (please include the appropriate sign in your answer)
Consider converting 1.50 mol of ice at - 25 degree C to liquid water at 55...
Consider converting 1.50 mol of ice at - 25 degree C to liquid water at 55 degree C at 1 atm. What calculation would give the quantity of heat required by this process in J? The molar heat capacity of ice is 37.6 mol^-1 degree C^-1. The molar heat capacity of liquid water is 75.4 J-mol^-1 degree C^-1. The heat of fusion of water is 6.02 kJ mol^-1. (A) q = (1.50 mol) (6.02 kJ/mol) (1000 J/kJ) (B) q =...
The following reaction was allowed to come to equilibrium at 35 degree C. The initial molar...
The following reaction was allowed to come to equilibrium at 35 degree C. The initial molar concentration for SO_3 is 0.675 M ([SO_3| = 0.675 M) and the initial molar concentration for CO_2 is 0.444 M (|CO_2] = 0.444 M). After the reaction reached equilibrium the concentration of CO_2 now equals 0.214 M ((CO_2] = 0.214 M). What is the K_c value for the reaction? 0.00987 0.0342 7.31 11.8 16.7 At 35 degree C the equilibrium constant value (K_c) for...
Heat Capacity of a Gas at Constant Pressure A system comprised of 5.500x101 g of Ar(g) cools from 165.0°C to 30.0°C at a constant pressure of 3.0 atm. The molar heat capacity at constant pressure for Ar(g) is 20.80 J K-1 mol-1. Calculate q. 1pts Submit Answer Tries 0/5 Calculate w 1pts Submit Answer Tries 0/5 Calculate ΔΕ. 1 pts Submit Answer Tries 0/5 Calculate ΔΗ. 1pts Submit Answer Tries 0/5
Need work step by step please!
Heat Capacity of a Gas at Constant Pressure A system comprised of 1.900x100 g of C2H6(9) cools from 180.0°C to 45.0°C at a constant pressure of 2.5 atm. The molar heat capacity at constant pressure for C2H6(9) is 52.92 J K-1 mol-1. Calculate q. 1 pts Submit Answer Tries 0/5 Calculate w. 1 pts Submit Answer Tries 0/5 Calculate ΔΕ. 1pts Submit Answer Tries 0/5 Calculate ΔΗ. 1pts Submit Answer Tries 0/5
How many moles of gas are there in a 45.0 L container at 25.0 degree C and 500.0 mm Hg? (R - 0.082 L Atm/ mol.K) Sodium bicarbonate is reacted with concentrated hydrochloric acid at 37.0 degree C and 1.00 aim. The reaction of 6.00 kg of bicarbonate with excess hydrochloric acid under these conditions w ill produce w hat volume of the CO_2 gas? The value of Delta H degree for the reaction below is -482 kJ. Calculate the...
Heat Evolved During Combustion and Heat Capacity of a
Gas at Constant Pressure
A.
Consider the following reaction:
2 C2H2(g) + 5
O2(g)
4 CO2(g) + 2H2O(l)
Use standard heats of formation from Zumdahl 'Chemical
Principles' 8th ed. Appendix Four pp A19 - A21.
a) How much heat is evolved when
1.440×101 moles of
C2H2(g) is burned in excess oxygen.
Answer to 4 sig figs.
b) How much heat is evolved when
2.250×102 g of CO2(g) is produced
from the...
6. A piece of 155.0 g aluminium metal at 120°C was placed in a constant pressure calorimeter of negligible heat capacity containing 300.0 g of water at 20°C. Calculate the final temperature of the system (the aluminium metal and the water) in °C: given the specific heat of aluminium metal = 0.90 J/g °C, and that of water 4.184 J/g °C
The following information is given for water at latm: boiling point = 100.0 degree C Delta H_vap(100.0 degree C) = 2.259xl03 J/g melting point = 0.000 degree C Delta H_fus(O.OOO degree C) = 333.5 J/g Specific heat solid = 2.100 J/g degree C specific heat liquid = 4.184 J/g degree C A 27.00 g sample of solid water is initially at -28.00 degree C. If 1.007xl04 J of heat are added to the sample at constant pressure (P = 1...
Use the Information given below, calculate the heat change of the system when 33.7 g of water at 32.5 degree C is converted to steam at 129.1 degree C. (C = specific heat capacity) Delta H_fusion for H_2O = 6.20 kJ/mol C_ice = 2.087 j/g degree C Delta H_vaporization for H_2O = 40.7 kJ/mol C_water = 4.184 J/g degree c molar mass H_2O = 18.01 g/mol C-steam = 1.966 j/g degree C (please include the appropriate sign in your answer)
Consider converting 1.50 mol of ice at - 25 degree C to liquid water at 55 degree C at 1 atm. What calculation would give the quantity of heat required by this process in J? The molar heat capacity of ice is 37.6 mol^-1 degree C^-1. The molar heat capacity of liquid water is 75.4 J-mol^-1 degree C^-1. The heat of fusion of water is 6.02 kJ mol^-1. (A) q = (1.50 mol) (6.02 kJ/mol) (1000 J/kJ) (B) q =...
The following reaction was allowed to come to equilibrium at 35 degree C. The initial molar concentration for SO_3 is 0.675 M ([SO_3| = 0.675 M) and the initial molar concentration for CO_2 is 0.444 M (|CO_2] = 0.444 M). After the reaction reached equilibrium the concentration of CO_2 now equals 0.214 M ((CO_2] = 0.214 M). What is the K_c value for the reaction? 0.00987 0.0342 7.31 11.8 16.7 At 35 degree C the equilibrium constant value (K_c) for...
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