Under the right conditions, water dissociates into hydrogen and oxygen. H20 (q) = H2(g) + O2(g) Given the following...
Hydrogen chloride and oxygen react to form chlorine and water, like this: 4HCl(g)+O2(g)→2Cl2(g)+2H2O(g) Also, a chemist finds that at a certain temperature the equilibrium mixture of hydrogen chloride, oxygen, chlorine, and water has the following composition: Calculate the value of the equilibrium constant Kp for this reaction. Round your answer to 2 significant digits. compound pressure at equilibrium НСІ 28.9 atm 02 96.7 atm Cl2 32.1 atm H20 13.1 atm
5. Hydrogen gas reacts with oxygen to form water. 2 H2(g) + O2(g) → 2 H2O(g), AH=-483.5kJ Determine the mass of oxygen and hydrogen needed to produce 483 J of heat without leaving any reactant. [0.5] 6. Use standard enthalpies of formation from Appendix II.B from at the end of the textbook to determine AHºrxn for the combustion reaction of hexane (C6H14). [0.5]
QUESTION 3 Hydrogen and oxygen gas can react to form liquid water according to the following heterogeneous equilibrium: 2H2(g) + O2(g) + 2H2O(1) What is the correct equilibrium constant expression for this equation? OK - [H2]*[02] OK - [H20] Kc [H20] [H2]*[02] [H2] [02] Окс [HIO.]
QUESTION 3 Hydrogen and oxygen gas can react to form liquid water according to the following heterogeneous equilibrium: 2H2(g) + O2(g) + 2H200) What is the correct equilibrium constant expression for this equation? ok [H₂0] [H2][02] [H, 105] [H2]*[02] lo kc = [H2]”[02] o Kc = [H20]
Which of the following statements is false concerning the reaction of hydrogen gas and oxygen gas given below? H2(g)+1/2O2(g)>H2O Which of the following statements is false concerning the reaction of hydrogen gas and oxygen gas given below? H2(g) +029) - H20(1; AH = -285.8 kJ Select one: a. For the reaction H2(g) + O2(g) - H2O(g), AH is not equal to -285 b. If the equation is reversed, AH becomes +285.8 kJ. If the equation is multiplied by 2, AH...
When 9.0 g of hydrogen gas, H2, reacts with oxygen gas, O2, 73.0 g of water is produced. a) What is the theoretical yield of water? b) What is the percentage yield?
QUESTION 4 Consider the reaction between hydrogen gas and oxygen gas to form water 2 H2(g) + O2(9) - 2 H20(9) How many grams of water could be produced by the reaction of 7.01 liters of hydrogen with 4.11 liters of oxygen at STP? (Hint: check for limiting reagent).
Part A Hydrogen gas reacts with oxygen to form water. AH = -483.5 kJ 2 H20(g) 2 H2(g) +O2(g) Determine the minimum mass of hydrogen gas required to produce 177 kJ of heat. 0.732 g O 11.0 g O 0.738 g O 1.48 g Request Answer Submit Provide Feedback
Hydrogen peroxide decomposes to water and oxygen: 2 H2O2 (1) + 2 H20 (1) + O2(g) Which solution would have a faster rate of decomposition: A solution of 3% H2O2 or a bottle of 30% H2O2?
Hydrogen gas, H2, and oxygen gas, O2, can be reacted to form liquid water. If 2.00 g hydrogen gas and 17.20 g oxygen gas are reacted in a 1.500 L flask at 25.0 °C, calculate the total gas pressure (atm) in the flask at 25 °C. The vapor pressure of water is 23.8 mm Hg. Stoichiometry is involved in this question. Total gas pressure: