Enter your answer in the provided box. Calculate the amount of heat (in kilojoules) associated with...
Enter your answer in the provided box. Calculate the heat (in kJ) associated with 266 g of white phosphorus burning in air according to the equation P4() + 502(g) → P4010(5) AH = -3013 kJ / mol
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.
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 Use the following data to calculate ΔΗο for CS20: C(graphite)+ O2(8)-Co2() S(rhombic) +02(g) → SO2(g) CS2(0) + 302(8) CO2(8) + 2S02(3) o AH =-393.5 kJ/rnol rxn AH296.4 kJ/mol rxn AHorn =-1073.6 kJ/mol 0
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 From the following data, C(graphite) + O2(0)+ CO2(g) An° . =-393.5 kJ/mol rxn Hy(@) +0,6) H200 AH =-285.8 kJ/mol rxn 2C2H6(8) + 1026) →40026) + 6H20(1) AH =-3119.6 kJ/mol rxn calculate the enthalpy change for the reaction below: 2 C(graphite) + 3H2(g) → CH()
Enter your answer in the provided box. Sulfur dioxide is produced in enormous amounts for sulfuric acid production. It melts at -73.0°C and boils at -10.0°C. Its AH is 8.619 kJ/mol, and its AH is 25.73 kJ/mol. The specific heat fus vap capacities of the liquid and gas are 0.995 J/g. K and 0.622 J/g. K, respectively. How much heat is required to convert 5.500 kg of solid so, at the melting point to a gas at 60.0°C? (3,216 x...
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
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
4. Sodium lamps are commonly used to illuminate highways because of their intense yellow- orange emissions at 589 nm a. Calculate the energy, in joules, of one photon of this light. b. Calculate the energy, in kilojoules, of one mole of such photons 5. What is the de Broglie wavelength (in nm) associated with a 2.5 g Ping-Pong ball traveling at 15.6 m/s? 6. What are the possible values of I and what are the possible subshells for an e...