The heat of reaction for the following is −126 kJ. How much heat (kJ) would be...
The heat of reaction for the following is −126 kJ. How much heat (kJ) would be evolved to the surroundings by the reaction of 25.0 g of Na2O2 with water? 2Na2O2 (s) + 2H2O (l) → 4NaOH (s) + O2 (g)
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The heat of reaction for the following is −126 kJ. How much heat
(kJ) would be...
How much Na2O2 would need to react in order to release 1000 kJ of heat? Show...
How much Na2O2 would need to react in order to release 1000 kJ of heat? Show your work. 2 Na2O2 (s) + 2 H2O (l) ---> 4NaOH (aq) + O2 (g) Delta Hrxn = -126 kJ
I'd like the answers for 30-33 O 41.2 kJ/mol O 5.48 x10 kJ/mol O 86 kJ/mol...
I'd
like the answers for 30-33
O 41.2 kJ/mol O 5.48 x10 kJ/mol O 86 kJ/mol 48.0 kJ/mol 4.2 Question 30 (2 points) Calculate Ahº for the following reaction, using the given standard enthalpies of formation. 2NO(g) + O2(g) + 2NO2(8) AH°ANO(g)] - 90.25 kJ mol-1 AH®[NO2(g)] = 33.18 kJ mol-1 +57.07 kJ -57.07 kJ O-114.1 kJ +114.1 kJ Question 31 (2 points) The value of AH°for the following reaction is -126 kJ. Determine the amount of heat (in kJ)...
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...
Given the following thermochemical equation, calculate the amount of heat (in kJ) that is released when...
Given the following thermochemical equation, calculate the amount of heat (in kJ) that is released when 35.0 g of Na2O2 completely react with excess amount of water . 2 Na2O2 (s) + 2 H2O (l) → 4 NaOH (aq) + O2 (g) Δ H = - 126 kJ
Use the following thermochemical equation to calculate how much heat in kilojoules
Use the following thermochemical equation to calculate how much heat in kilojoules is evolved or absorbed when 14.4g of liquid water are converted to hydrogen and oxygen gas. 2H2(g) + O2(g) -----> 2H2O (l)Delat H°= -571.6 kJ
consider the following reaction 2H2(g)+O2(g)--> 2H2O (I) delta H= -572KJ A) how much heat is evolved...
consider the following reaction 2H2(g)+O2(g)--> 2H2O (I) delta H= -572KJ A) how much heat is evolved when 1.00 mole of H2O (I) is produced? B) how much heat is evolved when 4.03g H2 are reacted with 40.0g of O2? C) the total volume of hydrogen gas needed to fill the Hindenburg was 2.0*10^8 L at 1.0 atm and 25 degree C. How much HEAT was evolved when the Hidenburg exploded, assuming all of the hydrogen reacted (plenty of oxygen)?
Please help with these two questions :( 1. How much energy (in kJ) is evolved during...
Please help with these two questions :(
1. How much energy (in kJ) is evolved during the reaction of
76.9 g of Al, according to the reaction below?
Fe2O3(s) + 2 Al(s) →
Al2O3(s) + 2 Fe(s) ΔH°rxn = -852
kJ
Assume that there is excess Fe2O3.
2. A 12.43 g sample of ethanol (C2H5OH) is
burned in a bomb calorimeter with a heat capacity, C = 5.65
kJ/°C.
C2H5OH(l) + 3 O2(g) → 2
CO2(g) + 3 H2O(g) ΔH°rxn...
. Use the equation below to calculate how much heat (in kJ) is evolved when 5.0...
. Use the equation below to calculate how much heat (in kJ) is evolved when 5.0 g of aluminium reacts with a stoichiometric amount of Fe2O3? 2 Al (s) + Fe2O3 (s) —>2 Fe (s) + Al2O3 (s) AH° = -852 kJ Determine the AHPrxn for the following reaction. {AH® (NH3) = -45.9 kJ/mol; AH°(O2) = 0; AH® (NO) = +91.3 kJ/mol; AH° (H2O) = -241.8 kJ/mol; 4 NH3 (g) + 5 O2 (g) — 4 NO (g) + 6...
22 points For the reaction below, AH = -196 kJ and AS = -126 J/K at...
22 points For the reaction below, AH = -196 kJ and AS = -126 J/K at 25°C. 2H2O(l) + O2(g) + 2H2020) Calculate AG' for the reaction in kilojoules. 0 -348 kJ -37.7 kJ -193 kJ -234 kJ 0 -158 kJ Previous Next
Consider the following reaction: 2H2(g) + O2(g) → 2H2O(1) ΔH = -572 kJ
1. Consider the following reaction: 2H2(g) + O2(g) → 2H2O(1) ΔH = -572 kJ a. How much heat is evolved for the production of 1.00 mole of H2O(1)? b. How much heat is evolved when 4.03g hydrogen are reacted with excess oxygen? c. How much heat is evolved when 186g oxygen are reacted with excess hydrogen?2. The specific heat capacity of silver is 0.24J/°C g. a. Calculate the energy required to raise the temperature of 150.0g Ag from 273K to 298K. b. Calculate the energy required...
I'd
like the answers for 30-33
O 41.2 kJ/mol O 5.48 x10 kJ/mol O 86 kJ/mol 48.0 kJ/mol 4.2 Question 30 (2 points) Calculate Ahº for the following reaction, using the given standard enthalpies of formation. 2NO(g) + O2(g) + 2NO2(8) AH°ANO(g)] - 90.25 kJ mol-1 AH®[NO2(g)] = 33.18 kJ mol-1 +57.07 kJ -57.07 kJ O-114.1 kJ +114.1 kJ Question 31 (2 points) The value of AH°for the following reaction is -126 kJ. Determine the amount of heat (in kJ)...
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 help with these two questions :(
1. How much energy (in kJ) is evolved during the reaction of
76.9 g of Al, according to the reaction below?
Fe2O3(s) + 2 Al(s) →
Al2O3(s) + 2 Fe(s) ΔH°rxn = -852
kJ
Assume that there is excess Fe2O3.
2. A 12.43 g sample of ethanol (C2H5OH) is
burned in a bomb calorimeter with a heat capacity, C = 5.65
kJ/°C.
C2H5OH(l) + 3 O2(g) → 2
CO2(g) + 3 H2O(g) ΔH°rxn...
. Use the equation below to calculate how much heat (in kJ) is evolved when 5.0 g of aluminium reacts with a stoichiometric amount of Fe2O3? 2 Al (s) + Fe2O3 (s) —>2 Fe (s) + Al2O3 (s) AH° = -852 kJ Determine the AHPrxn for the following reaction. {AH® (NH3) = -45.9 kJ/mol; AH°(O2) = 0; AH® (NO) = +91.3 kJ/mol; AH° (H2O) = -241.8 kJ/mol; 4 NH3 (g) + 5 O2 (g) — 4 NO (g) + 6...
22 points For the reaction below, AH = -196 kJ and AS = -126 J/K at 25°C. 2H2O(l) + O2(g) + 2H2020) Calculate AG' for the reaction in kilojoules. 0 -348 kJ -37.7 kJ -193 kJ -234 kJ 0 -158 kJ Previous Next
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