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AITOLUI.LUNI. UNI.. S SunGard Higher E. 6. 12/24 points Previous Answers OSAtomsChem1 9.3.P.068. Using the Supplemental...
0/8 points v Previous Answers OSATOMSCHEM1 9.3.P.042. Calculate AH (in kJ/mol) for the reaction described by...
0/8 points v Previous Answers OSATOMSCHEM1 9.3.P.042. Calculate AH (in kJ/mol) for the reaction described by the equation. 4 NH3(g) +50269) + 4 NO(g) + 6 H2001 -904.0 x kJ/mol Supporting Materials Periodic Table Supplemental Data Constants and Factors Additional Materials eBook 4. -/24 points v OSATOMSCHEM1 9.3.P.068. Using the Supplemental Data, calculate the standard enthalpy change (in kJ/mol) for each of the following reactions. (a) B203(5) + 3 H2(9) ► 2B(5) + 3 H20(1) kJ/mol (b) B(s) + O2(g)...
19. + 2/6 points Previous Answers OSAtomsChem1 7.4.P.060. The following quantities are placed in a container....
19. + 2/6 points Previous Answers OSAtomsChem1 7.4.P.060. The following quantities are placed in a container. 2.01x1024 atoms of hydrogen, 1.29 mol of sulfur, and 118.1 g of diatomic oxygen (a) What is the total mass in grams for the collection of all three elements? 49 162.8 g (b) What is the total number of moles of atoms for the three elements? 4.0 12.0 x Check the number of significant figures, mol More Information. (c) If the mixture of the...
Your last submission is used for your score. 11. + -10.74 points OSAtomsChem1 6.1.P.003. Calculate the...
Your last submission is used for your score. 11. + -10.74 points OSAtomsChem1 6.1.P.003. Calculate the molecular or formula mass (in amu) of each of the following. (a) 03 49amu (b) His 49amu (c) Mg(NO3)2 amu (d) C6H12O6 (fructose) 49amu (e) CH3CO2CH2CH3 (ethyl acetate) amu Supporting Materials Supplemental Data Periodic Table Constants and Factors Jum s useu or your score. 12. -70.66 points OSAtomschem1 6.2.P.009. Determine the following to four significant figures. (a) the percent composition of hydrogen sulfide, HS...
OSAtomsChem1 7.1.P.01 1. Previous Answers 6. 0/6 points From the balanced molecular equations, write the complete ionic...
OSAtomsChem1 7.1.P.01 1. Previous Answers 6. 0/6 points From the balanced molecular equations, write the complete ionic and net ionic equations for the following. (Use the lowest possible whole number coefficients. Include states-of-matter under the given conditions in your answer.) (a) Sn(NO)(aq+H2so(aqSns0(s) 2 HNO, (aq) Complete ionic chemPad Help XDX Greek Sn (aq) NO2 (aq) Ht(aq)SO2(aq) SnSO4 (s) Ht(aq) No2 (aq) X SnA+(aq) NO 3^-(aq) + HA+(aq) SO_4^2(aq) > SnSO_4 (s) HA+(aq) NO 3A-(aq) The reaction described in your answer...
0/8 points v Previous Answers OSATOMSCHEM1 9.3.P.042. Calculate AH (in kJ/mol) for the reaction described by the equation. 4 NH3(g) +50269) + 4 NO(g) + 6 H2001 -904.0 x kJ/mol Supporting Materials Periodic Table Supplemental Data Constants and Factors Additional Materials eBook 4. -/24 points v OSATOMSCHEM1 9.3.P.068. Using the Supplemental Data, calculate the standard enthalpy change (in kJ/mol) for each of the following reactions. (a) B203(5) + 3 H2(9) ► 2B(5) + 3 H20(1) kJ/mol (b) B(s) + O2(g)...
19. + 2/6 points Previous Answers OSAtomsChem1 7.4.P.060. The following quantities are placed in a container. 2.01x1024 atoms of hydrogen, 1.29 mol of sulfur, and 118.1 g of diatomic oxygen (a) What is the total mass in grams for the collection of all three elements? 49 162.8 g (b) What is the total number of moles of atoms for the three elements? 4.0 12.0 x Check the number of significant figures, mol More Information. (c) If the mixture of the...
Your last submission is used for your score. 11. + -10.74 points OSAtomsChem1 6.1.P.003. Calculate the molecular or formula mass (in amu) of each of the following. (a) 03 49amu (b) His 49amu (c) Mg(NO3)2 amu (d) C6H12O6 (fructose) 49amu (e) CH3CO2CH2CH3 (ethyl acetate) amu Supporting Materials Supplemental Data Periodic Table Constants and Factors Jum s useu or your score. 12. -70.66 points OSAtomschem1 6.2.P.009. Determine the following to four significant figures. (a) the percent composition of hydrogen sulfide, HS...
OSAtomsChem1 7.1.P.01 1. Previous Answers 6. 0/6 points From the balanced molecular equations, write the complete ionic and net ionic equations for the following. (Use the lowest possible whole number coefficients. Include states-of-matter under the given conditions in your answer.) (a) Sn(NO)(aq+H2so(aqSns0(s) 2 HNO, (aq) Complete ionic chemPad Help XDX Greek Sn (aq) NO2 (aq) Ht(aq)SO2(aq) SnSO4 (s) Ht(aq) No2 (aq) X SnA+(aq) NO 3^-(aq) + HA+(aq) SO_4^2(aq) > SnSO_4 (s) HA+(aq) NO 3A-(aq) The reaction described in your answer...
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