Tutored Practice Problem 10.6.1 COUNTS TOWARDS GRADE Use and interpret standard heats of formation. (a) Write the balan...
Tutored Practice Problem 10.6.2 COUNTS TOWARDS GRADE Calculate enthalpy change using standard heats of formation. Using the standard heats of formation that follow, calculate the standard enthalpy change for the following reaction. H2S(g) 2H20(I) »3H2(g) +SO2(g) AH rxn kJ Species AHf(kJ/mol H2S(g) -20.6 H2O(D -285.8 SO2(g) -296.8 Check & Submit Answer Show Approach
The standard heat of formation for UF6(g) is -2.11x103 kJ/mol at 298 K. Write the formation equation for UF6(g) that goes with this value of AH°. Use the pull-down boxes to specify states. Write fractions with a slash, such as 1/2 for one half. Ifa box is not needed leave it blank Submit Answer
(a) Write the balanced chemical equation that represents the standard heat of formation of Agl(s) at 298 K. Use the pull-down boxes to specify states. Write fractions with a slash, such as 1/2 for one half. If a box is not needed leave it blank. (b) The standard enthalpy change for the following reaction is 359 kJ at 298 K. PbCl2(s)— Pb(s) + Cl2(g) What is the standard heat of formation of PbCl2(s)? kJ/mol
The standard heat of formation for FeCl3(s) is -400 kJ/mol at 298 K. Write the formation equation for FeCl3(8) that goes with this value of ΔΗ. Use the pull-down boxes to specify states. Write fractions with a slash, such as 1/2 for one half. If a box is not needed leave it blank.
Close Problem Tutored Practice Problem 4.3.2 COUNTS TOWARDS GRADE Write net ionic equations for precipitation reactions. Write the net ionic equation for the precipitation reaction that occurs when aqueous solutions of barium acetate and magnesium sulfate are combined. Use the pull-down boxes to specify states such as (aq) or(s). If a box is not needed leave it blank. Check & Submit Answer Show Approach
(a) Write the balanced chemical equation that represents the standard heat of formation of UOz(s) at 298 K. Use the pull-down boxes to specify states. Write fractions with a slash, such as 1/2 for one half. If a box is not needed leave it blank. (b) The standard enthalply change for the following reaction is -2.44x10kJ at 298 K 2 Ba(s) + 2 C(s,graphite) + 3 0,(g) 2 BaCO3(s) What is the standard heat of formation of BaCO,(s)? kJ/mol Check...
UJU LIPICI J UU TUJUI IULILLLIUIT. (a) Write the balanced chemical equation that represents the standard heat of formation of Be(OH)2(s) at 298 K. Use the pull-down boxes to specify states. Write fractions with a slash, such as 1/2 for one half. If a box is not needed leave it blank. Bez 3 + OH - 3) + - BeOH)2 6:) (b) The standard enthalpy change for the following reaction is -92.2 kJ at 298 K. N2(g) + 3 H2(g)—...
Tutored Practice Problem 9.3.2 COUNTS TOWARDS GRADE Write net ionic equations for precipitation reactions Close Problem Write the net ionic equation for the precipitation reaction that occurs when aqueous solutions of cobalt(II) nitrate and ammonium carbonate are combined. Use the pull-down boxes to specify states such as (aq) or (8). If a box is not needed leave it blank. Check & Submit Answer Show Approach
The standard heat of formation for NH_4 NO_3 (s) is -366 kJ/mol at 298 K. Write the formation equation for NH_4 NO_3 (s) that goes with this value of delta H degree. Use the pull-down boxes to specify states. Write fractions with a slash, such as 1/2 for one half. If a box is not needed leave it blank.
The standard heat of formation for CCl4(g) is -103 kJ/mol at 298 K. Write the formation equation for CCl4(9) that goes with this value of ΔΗ. Enter carbon as C($). Use the pull-down boxes to specify states. Write fractions with a slash, such as 1/2 for one half. If a box is not needed leave it blank. Submit Answer