4. Use bond energies to calculate AHrxn for the reaction of methane with chlorine gas to...
9. Bond Energy. Hydrogen gas can hydrogen gas can be made by the reaction of methane gas and steam. CH4(8) + 2 H2O(g) → 4 H2(g) + CO2(g) Use the bond energies (Table 9.3 and Table 9.4) to gies (Table 9.3 and Table 9.4) to calculate AHan for the above reaction. (note: you need to write the Lewis structure to show how the atoms are bonded and is structure to show how the atoms are bonded and the types of...
Question 4 1 pts Use the given average bond energies to calculate AHrxn for the following chemical reaction. Н н 20 c= o 3 0 O + зн—о—Н C Н Н Bond Bond energy (kJ/mol) C-O 360 C O 707 O O 498 464 Н-о C-H 414 +242 kJ O +914 kJ -914 kJ -242 kJ -2106 kJ
Use bond energies to estimate the enthalpy change for the reaction of one mole of CH4 with chlorine gas to give CH3Cl and hydrogen chloride. BEC —H) = 414 kJ/mol BE(C CI) = 326 kJ/mol: BECH - CI) = 432 kJ/mol: BE(CI CI)=243 kJ/mol 1. -101 kJ/mol II. -106 kJ/mol III. +331 kJ/mol IV. +106 kJ/mol V +101 kJ/mol A) I B) II C) III D) IV E) V
Use bond energies to calculate AHrxn for this reaction. CH3OH (g) + 3/202 (g) - CO2(g) + 2H20 (g) Hºnx = ? Bond Bond Energy (kJ/mol) C-H 414kJ O-H 464k) C=0 799kJ 0=0 498kJ C-O 360kJ
O STOICHIOMETRY Writing a chemical equation from a descri on of the rea.. Chlorine gas and solid sodium are formed by the decomposition of solid sodium chloride Write a balanced chemical equation for this reaction.
Estimate AHrxn for the below chemical reaction using the provided bond enthalpies. The Lewis structures hydrogen peroxide (H2O2) is shown below. 2 H2O2 (g) → 2 H20 (g) + O2 (g) Bond Bond Enthalpy (kJ/mol) 0-0 O=0 495 H-O 463 Η-Η 436 146 : 0:1
When 27.4 g of methane and 40.4 g of chlorine gas undergo a reaction that has a 78.5% yield, what mass of chloromethane (CH3CI) forms? Hydrogen chloride also forms. g CH2C1
Use bond energies to calculate the AH(rxn) for the reaction of involving hydrazine and fluorine gas to produce nitrogen gas and hydrogen fluoride gas. + 2F2() - N2(g) + 4HF) BE(N-H) = 391 kJ/mol, BECF-F) = 159 kJ/mol, BE(N-N) = 160 kJ/mol, BECH-F) = 565 kJ/mol BE(NEN) - 945 kJ mol Irite arwer to the significant figures. NO UNITS in awe. Make sure to include regate signifugative
Use Lewis structures and bond energies to calculate the enthalpy change of the following reaction: C2H4(g) + H2O(g) → CH3CH2OH(g)
QUESTION 2 When 56.68 g of magnesium metal reacts with excess HCl(aq) to form hydrogen gas and magnesium chloride, how many liters of H2 gas are produced at STP? (Hint: start by writing a balanced chemical reaction.) QUESTION 3 Methane (CH4) burns in air to form carbon dioxide and water as shown below. CH4(g)2 O2(g)CO2(g)2 H20(0) If a sample of methane occupies 344. mL at 1.37 atm, what volume (in mL) of oxygen gas at the same temperature and pressure...