CH4(8)+ 202(g) CO2(g) + 2H2O(g) AH -890.3 kJ 3. Given: PSs(s) + 802(g) PAO10(s)+3SO2(g) AH -3676...
how do i get the m^2/s^2 Nalle. - Please show your work when appropriate on this piece of ber. No work, no credit! Calculate the average kinetic energy in joules and calories) of a 35.0-g object flying at a speed of 10.5 ft/min. Draw an energy diagram for the reaction: CH4(g) + 202(g) CO2(g) + 2H2O(g) AH = -890.3 kJ Siyen: P.Sz(s) + 802(g) - P4010(s) + 3SO2(g) AH = -3676 kJ please show your work when appropriate on this...
late the mass of P4010 produced along 15000. calories of 4. Calculate th heat. stem absorbs 105 kJ of heat from its surroundings and does 5. A system absorbs 10 96.0 J of work. Calculate AE. 159
A chemist measures the energy change AH during the following reaction: CH4(9)+202(9) + CO2(9)+2H2O(1) AH= -882. kJ Use the information to answer the following questions. This reaction is... ОО endothermic. exothermic. Yes, absorbed. Yes, released. Suppose 33.5 g of CH4 react. X 5 ? Will any heat be released or absorbed? No. If you said heat will be released or absorbed in the second part of this question, calculate how much heat will be released or absorbed. Round your answer...
AU for the reaction CH4 (8) + 2O2(g) - CO2(8) + 2H2O(l) in kJ at 298 K is AH(CH,) =-74.6kJ / mol AH (0) = -393.5kJ / mol AH,(4,0) =-285.8kJ / mol 1 A. -885.5 kJ B.668 kJ C. 885.5 kJ D.-668 kJ
Calculate AH® for the following: rxn CH4(8) + Cl2(g) → CCl4(!) + HCl(g) [unbalanced] -139 kJ/mol AH (CH4®= -74.87 kJ/mol a CCl4@)) = -96.0 kJ/mol AHCC140] =-139 kJ/mol AH [HCI@)) =-92.31 kJ/mol AH [HCl(aq)] =-167.46 kJ/mol Ahº [C1()] = 121.0 kJ/mol
CH_(g) + 2O2(g) → CO2(g)+ 2H2O(1) AH = -890.4 kJ When 1 mole of CO2(g) is produced, what is the enthalpy change? When 3 mol of O, is reacted with an excess of CH4, what is the enthalpy change? When 1 mole of H,O(l) is produced, what is the enthalpy change?
loab beboo 2CO2 + H2O. 7. Calculate AH for C2H2 +5/202 Given C(s) +O2(g) CO2(g) AH = -393.5 kJ H2+½ O2 H2O AH= -285.8 kJ 2C+H2 C2H2 AH = 226.8 kJ 008700000 08.0 Lon Qoe cOeEo.O60
(1) Consider SO2 (g) + 2H2S(g) = 3(g) + 2H2O(1) AH : (i) SO2 (g) = -296.8 KJ/mol (ii) H2S (g) = -20.4 KJ/mol (iii) H20 (1) = -285.84 KJ/mol AH for the above reaction is: (a) 234.08 KJ (b)-234.08 KJ (c) 31.36 kJ (d) -31.36 KJ (e) None (2) The above reaction is (a) Endothermic (b) Exothermic (c) entropic (3) in k = Ae Ea/RT, Ea is (a) Activation Energy (b) 8.314 J/mol.K (c) Rate constant (4) In a...
3. For the reaction, P,(s, red) + 10 CL(g) a) AH°(in the units of kcal, kJ, and liter-atm) b) AE (in the units of kJ) c) work (w) (in the units of kJ) 4 PCl,(g), calculate: АН, Р =-73.6 kJ mol 4(s,red) AHP PCI,(g) = -398.9 kJ mol 6. For a chemical process 50. kJ of heat energy were released and 20. kJ of work were done by the system. Calculate AE for this process.
Calculate the work (in kJ) done on the system when 2.80 moles of hydrogen gas are produced from the reaction of sodium in excess water at 298 K: 2Na(s) 2H2O()2NaOH(aq) + H2(g) Answer: 2.62 Calculate the work (in kJ) when 1.40 moles of methane react with excess oxygen at 463 K: CH4(g) 202(g) CO2(g) 2H20 (1) Answer: 13.1 1.927 g of an unknown hydrocarbon (129.1 g/mol) burns in bomb calorimeter in excess oxygen. The heat capacity of the calorimeter,Cv, =...