Hydrogen peroxide can be prepared in several ways. One method is the reaction between hydrogen and...
Hydrogen peroxide can be prepared in several ways. One method is the reaction between hydrogen and oxygen, another method is the reaction between water and oxygen. Calculate the ?G°rxn of each reaction below using values from this table.
(1) H2(g) + O2(g) 
H2O2(l) 
G =
(2) H2O(l) + 1/2O2(g)
H2O2(l) G
=
Which method requires less energy under standard conditions?
Homework Answers
Add Answer to:
Hydrogen peroxide can be prepared in several ways. One method is
the reaction between hydrogen and...
26. Hydrogen peroxide decomposes into water and oxygen in a first-order process. H2O2(aq) → H2O(l) +...
26. Hydrogen peroxide decomposes into water and oxygen in a first-order process. H2O2(aq) → H2O(l) + 1/2 O2(g) 26. Hydrogen peroxide decomposes into water and oxygen in a first-order process. H2O2(aq) → H2O(2) + 1/2O2(g) At 20.0 °C, the half-life for the reaction is 3.05 x 104 seconds. If the initial concentration of hydrogen peroxide is 0.52 M, what is the concentration after 8.00 days?
Hydrogen peroxide can decompose to water and oxygen by the following reaction: 2 H2O2(l) → 2...
Hydrogen peroxide can decompose to water and oxygen by the following reaction: 2 H2O2(l) → 2 H2O(l) + O2(g) ΔH = –196 kJ Calculate the value of q when 5.00 g of H2O2(l) decomposes at constant pressure.
Hydrogen peroxide (H2O2) decomposes to produce water and oxygen according to the following reaction: 2 H2O2...
Hydrogen peroxide (H2O2) decomposes to produce water and oxygen according to the following reaction: 2 H2O2 (l) -----------> 2 H2O (l) + O2 (g) Which relationship regarding the quantities of reactants and products associated with this reaction is NOT correct? Group of answer choices 2 molecules of H2O2 -----------------> 2 molecules of H2O + 1 molecule of O2 2 mol of H2O2 ----------------->2 mol of H2O + 1 mol of O2 68.0 g of H2O2 -----------------> 36.0 g of H2O...
Hydrogen peroxide, H2O2, is a colorless liquid whose solutions are used as a bleach and an...
Hydrogen peroxide, H2O2, is a colorless liquid whose solutions are used as a bleach and an antiseptic. H2O2 can be prepared in a process whose overall change is H, O2 (1) H2(g) +O2(g) Calculate the enthalpy change using the following data: 2H2O2()2H2 O (l) + O2(g); AH = -196.0 kJ H2(g) +O2(g)H2O(); AH= -285.8 kJ ΔΗ- kJ 10 item attempts remaining Try Another Version Submit Answer
Part A Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction....
Part A Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction. 2 H2O2() + 2 H2O(1) + O2() AH =-196 kJ Calculate the value of (kJ) in this exothermic reaction when 3.00 g of hydrogen peroxide decomposes at constant pressure? -1.73 x 104 kJ -0.0289 kJ -8.65 kJ -17.3 kJ 1.92 kJ Submit Reguest Answer
Hydrogen peroxide is made by white blood cells to destroy harmful bacteria. When hydrogen peroxide decomposes,...
Hydrogen peroxide is made by white blood cells to destroy harmful bacteria. When hydrogen peroxide decomposes, it forms molecular oxygen and water. 2 H2O2(aq) ⟶ O2(g) + 2 H2O(g) Suppose O2 is being formed at a rate of 0.65 M/min. At what rate (M/min) is the concentration of hydrogen peroxide changing? Enter your answer to 2 decimal places.
72. Hydrogen peroxide is a very common oxidizing agent. It has been used as an oxidizer...
72. Hydrogen peroxide is a very common oxidizing agent. It has been used as an oxidizer for rocket engines, it is a readily available antiseptic for home use and we have used it several times in the general chemistry lab. Below is some thermodynamic data for hydrogen peroxide xide at 25 C H (kJ/mol AG (k.J/mol Chemical Thermodvnamics of hydrogen 188 266 H20:1) H2(g) 02(g) H:0:(1) 20H(g H2O2(g) → 20H(g) H202(g) HO:(g) +H(g) H2O2(l) H2O(l)+%O2(g) 120 188 174 332 365...
Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to...
Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to the reaction BaO2(s)+H2SO4(aq)⟶BaSO4(s)+H2O2(aq) How many milliliters of 3.50 M H2SO4(aq) are needed to react completely with 73.7 g BaO2(s)?
Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to...
Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to BaSO4(s) + H2O2(aq) Ba02(s) + H2SO4(aq) → How many milliliters of 3.25 M H2SO4(aq) are needed to react completely with 81.7 g of BaO2(s)? Number mL The balanced equation for the reaction of aqueous Pb(CIO3)2 with aqueous Nal is shown below What mass of precipitate will form if 1.50 L of concentrated Pb(CIO3)2 is mixed with 0.650 L of 0.220 M Nal? Assume the...
Over time, hydrogen peroxide, H2O2, degrades into water and oxygen gas. A bottle of hydrogen peroxide is...
Over time, hydrogen peroxide, H2O2, degrades into water and oxygen gas. A bottle of hydrogen peroxide is expired and you need to determine the concentration. A titration is performed using the following equation: 3 H2O2(aq) + 2 NaMnO4(aq) → 3 O2(g) + 2 MnO2(aq) + 2 NaOH(aq) + 2 H2O(l) Note that permanganate ion, MnO4-, is purple, while manganese (IV) ion, Mn4+, is colorless. A quantity of 683 mL of 3.44 M NaMnO4 was measured and placed in a beaker. The solution...
26. Hydrogen peroxide decomposes into water and oxygen in a first-order process. H2O2(aq) → H2O(l) + 1/2 O2(g) 26. Hydrogen peroxide decomposes into water and oxygen in a first-order process. H2O2(aq) → H2O(2) + 1/2O2(g) At 20.0 °C, the half-life for the reaction is 3.05 x 104 seconds. If the initial concentration of hydrogen peroxide is 0.52 M, what is the concentration after 8.00 days?
Hydrogen peroxide, H2O2, is a colorless liquid whose solutions are used as a bleach and an antiseptic. H2O2 can be prepared in a process whose overall change is H, O2 (1) H2(g) +O2(g) Calculate the enthalpy change using the following data: 2H2O2()2H2 O (l) + O2(g); AH = -196.0 kJ H2(g) +O2(g)H2O(); AH= -285.8 kJ ΔΗ- kJ 10 item attempts remaining Try Another Version Submit Answer
Part A Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction. 2 H2O2() + 2 H2O(1) + O2() AH =-196 kJ Calculate the value of (kJ) in this exothermic reaction when 3.00 g of hydrogen peroxide decomposes at constant pressure? -1.73 x 104 kJ -0.0289 kJ -8.65 kJ -17.3 kJ 1.92 kJ Submit Reguest Answer
72. Hydrogen peroxide is a very common oxidizing agent. It has been used as an oxidizer for rocket engines, it is a readily available antiseptic for home use and we have used it several times in the general chemistry lab. Below is some thermodynamic data for hydrogen peroxide xide at 25 C H (kJ/mol AG (k.J/mol Chemical Thermodvnamics of hydrogen 188 266 H20:1) H2(g) 02(g) H:0:(1) 20H(g H2O2(g) → 20H(g) H202(g) HO:(g) +H(g) H2O2(l) H2O(l)+%O2(g) 120 188 174 332 365...
Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to BaSO4(s) + H2O2(aq) Ba02(s) + H2SO4(aq) → How many milliliters of 3.25 M H2SO4(aq) are needed to react completely with 81.7 g of BaO2(s)? Number mL The balanced equation for the reaction of aqueous Pb(CIO3)2 with aqueous Nal is shown below What mass of precipitate will form if 1.50 L of concentrated Pb(CIO3)2 is mixed with 0.650 L of 0.220 M Nal? Assume the...
Most questions answered within 3 hours.
-
A uniform magnetic field is perpendicular to the plane of a wire
loop. If the loop...
asked 3 minutes ago -
Preparation of Benzoic Acid using a Grignard Reagent URGENT
1. During your Grignard formation, a small...
asked 4 minutes ago -
At the peak of your career, your were earning $120,000 and
holding a top level position....
asked 7 minutes ago -
. A permanent magnet is dropped south-end-down through a horizontal
circular coil with a radius of...
asked 9 minutes ago -
Bernie's Beverages purchased some fixed assets classified as
5-year property for MACRS. The assets cost $28,000....
asked 23 minutes ago -
How many ATPs are produced from the catabolism of a 10-C
molecule of fatty acid under...
asked 27 minutes ago -
Before practicing a routine on the rings, a 64.8 kg gymnast
hangs motionless, with one hand...
asked 29 minutes ago -
If the K b of a weak base is 6.3 × 10 − 6 , what...
asked 35 minutes ago -
Which of the following is the minimum amount of moles of NaOH
that must be added...
asked 39 minutes ago -
Stories about organizational ________ provide important clues
about cultural values and norms.
a. myths
b. heroes...
asked 41 minutes ago -
Explain the criteria used in selecting a target market
BUS220 Retail Management, thank you!
asked 42 minutes ago -
Convert/Calculate the following:
Determine the identity of an elemental gas if 4.55 L weighing
35.4g, under...
asked 46 minutes ago