Enter your answer in the provided box. Calculate the heat (in kJ) associated with 266 g...
Example How much heat is evolved when 266 g of white phosphorus (P4) burn in air? Ps ) 502 )P010)AH- -3013 kJ 410 (s)
Enter your answer in the provided box. Calculate the amount of heat (in kilojoules) associated with 172 g of mercury cooling from 115.9°C to 12.5°C. The specific heat of mercury is 0.139 J/g.°C. Do not include a sign in your answer. Given the following information: NO (g) + O (g) --> NO2 (g) AH =-198.9 kJ/mol 20 (g) --> 202 (g) AH = 495.0 kJ/mol What is AH in kJ/mol for NO (g) + O2 (g) --> NO2 (g)? 446,4...
Enter your answer in the provided box. From the data below, calculate the total heat (in J) needed to convert 25.00 g of ice at -9.00°C to liquid water at 0.500°C: 0 AH 6.02 kJ/mol m.p. at 1 atm: 0.0°C fus liquid: 4.184 J/g.°C Csolid: 2.09 J/g.oc
Enter your answer in the provided box. You are given the following data: H2(g) → 2H(g) Br2(g) → 2Br(g) AH = 436.4 kJ/mol AH = 192.5 kJ/mol H2(g) + Br2(g) → 2HBr(g) AH = -72.4 kJ/mol Calculate Ahº for the reaction H(g) + Br(g) — HBr(g) kJ/mol
Enter your answer in the provided box. From the data below, calculate the total heat (in J) needed to convert 0.172 mol of gaseous ethanol at 300.0°C and 1 atm to liquid ethanol at 25.0°C and 1 atm: AH 40.5 kJ/mol b.p. at 1 atm: 78.5°C vap Cliquid 2.45 J/goC 1.43 J/goC Cgas Enter your answer in the provided box. From the data below, calculate the total heat (in J) needed to convert 0.172 mol of gaseous ethanol at 300.0°C...
Enter your answer in the provided box. How much heat (in kJ) is needed to convert 916 g of ice at -10.0°C to steam at 126.0°C? (The specific heats of ice, water, and steam are 2.03 J/g . oC, 4.184 J/g . oC, and 1.99 J/g , oC, respectively. The heat of fusion of water is 6.01 kJ/mol, the heat of vaporization is 40.79 k.J/mol.) k.J
Please Explain how to get the answer if you can! Enter your answer in the provided box. Acetylene burns in air according to the following equation: CH99)+0302 C029) + H206) AH = -1255.8 kJ I'xn Given sy of CO2(9)=–393.5 kJ/mol and sH of H2O(g)--241.8 kJ/mol, find all of C_H28). kJ/mol
Enter your answer in the provided box. Calculate AH for the following: rxn CH )+Cl2)-CCL)+ HCIg) [unbalanced] AH [CH (g)]=-74.87 kJ/mol f AH [CCI(g)]-96.0 kJ/mol f AH [CCI () -139 kJ/mol f AH HClg)] = -92.31 kJ/mol f AH, [HCl(aq)]=-167.46 kJmol AH, [CIg))= 121.0 kJmol kJ
1 out of 3 attempts Enter your answer in the provided box. The standard enthalpy ehange AH for the thermal decomposition of silver nitrate according v to the following equation is 78.67 kJ The standard enthalpy of formation of AgNO,(s) is-123.02 kJ/mol. Caleulate the standard enthalpy of formation of AgNO,(s) kJ/mol MacBook Air esc F5 4 tab
10 attempts left Check my work Enter your answer in the provided box. Calculate the heat (in kJ) associated with the cooling of 364 g of mercury from 66.7°C to 12.0°C.