2. Hydrogen combines with oxygen in fuel cells according to the thermochemical equation 2 H2(g) +...
The following thermochemical equation is for the reaction of hydrogen(g) with oxygen(g) to form H2O(g). 2H2(g) + O2(g) 2H2O(g) AH=-484 kJ How many grams of H2(g) would have to react to produce 61.5 kJ of energy? grams
6. Use the following thermochemical equation for the synthesis of ammonia N2(g) + 3 H2(g) → 2 NH3(g) AH = -91.8 kJ Rewrite the thermochemical equation to show 3 moles of hydrogen being produced? Rewrite the thermochemical equation to show 6 moles of hydrogen being produced? Rewrite the thermochemical equation to show the production of 6 moles of NH3 produced? 7. Use the thermochemical equation below to find the AH of the following: CH_(g) + H2O(g) → CO(g) + 3...
The following thermochemical equation is for the reaction of hydrogen(g) with oxygen(g) to form water(g). 2H2(g) + O2(g)--2H2O(g) ΔΗ--484 kJ How many grams of H2(B) would have to react to produce 95.6 kJ of energy? grams Submit Answer Retry Entire Group 7 more group attempts remaining
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...
Hydrogen and oxygen gases are utilized as reactants for fuel cells. Hydrogen gas is oxid side to generate protons and electrons which move to the cathode side to react with oxygen to produce electricity and water as byproduct. Molecular weight: M(H2) -2 g/mol, M(O)-32 g/mol, M(H-0) - 18 g/mol. Detailed reactions in each side are described below: ized in the anode (-) side: | (+) side: Cell: H2 → 2H+ + 2e- E" 0.00V 202 + 2H+ + 2e-→ H2O...
Calculate the standard enthalpy of formation of gaseous methane (CH4) using the following thermochemical information: CO2(g) + 2 H2O(l) CH4(g) + 2 O2(g) H = +890.4 kJ CO2(g) C(s) + O2(g) H = +393.5 kJ 2 H2O(l) 2 H2(g) + O2(g) H = +571.7 kJ
The combination reaction between hydrogen gas and oxygen gas proceeds according to the following balanced thermochemical equation: 2H2(g) + O2(g) +2H200 AH = -572 kJ How much energy in kj is given off when 6.06 grams of hydrogen gas reacts with 400 grams of oxygen gas? 0 -143 1573 0 715 -1716 0 -1573 -858 1716 143 O 858 0 715
Calculate the standard enthalpy of formation of gaseous acetylene (C2H2) using the following thermochemical information: 2 C2H2(g) + 5 O2(g) 4 CO2(g) + 2 H2O(l) H = -2599.3 kJ CO2(g) C(s) + O2(g) H = +393.5 kJ 2 H2O(l) 2 H2(g) + O2(g) H = +571.7 kJ H = kJ
Please write clearly and use significant figures. thanks in advance 6. Use the following thermochemical equation for the synthesis of ammonia. N2(g) + 3 H2(g) → 2 NH3(g) AH=-91.8 kJ Rewrite the thermochemical equation to show 3 moles of hydrogen being produced? Rewrite the thermochemical equation to show 6 moles of hydrogen being produced? Rewrite the thermochemical equation to show the production of 6 moles of NH3 produced? 7. Use the thermochemical equation below to find the AH of the...
Given the thermochemical equation for the formation of H2O by burning H2 and O2: H2(g) + 402 (8) → H2O (8) ΔH° = -241.8 kJ Calculate the ΔH for the following reaction: 2H2O (g) → 2 H2(g) + O2 (g)