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Your last submission is used for your score. 11. + -10.74 points OSAtomsChem1 6.1.P.003. Calculate the...
-/1 POINTS OSATOMSCHEM1 6.3.P.024. What is the mass (ing) of the solute in 0.530 L of...
-/1 POINTS OSATOMSCHEM1 6.3.P.024. What is the mass (ing) of the solute in 0.530 L of 0.63 M glucose, CHO ? Supporting Materials Periodic Table u Constants and Factors Supplemental Data Additional Materials eBook -/1 POINTS OSATOMSCHEM1 6.3.P.029. What is the molarity of HCl if 34.71 mL of a solution of HCl contain 0.3381 g of HCI? Supporting Materials Periodic Table Constants and Factors Supplemental Data Additional Materials eBook
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...
AITOLUI.LUNI. UNI.. S SunGard Higher E. 6. 12/24 points Previous Answers OSAtomsChem1 9.3.P.068. Using the Supplemental...
AITOLUI.LUNI. UNI.. S SunGard Higher E. 6. 12/24 points Previous Answers OSAtomsChem1 9.3.P.068. Using the Supplemental Data, calculate the standard enthalpy change (in kJ/mol) for each of the following reactions. (a) 2 Na(s) + 1,(0) 2 Nal(s) -638.0 kJ/mol (b) Cr2O3(s) + 3 H2(g) → 2 Cr(s) + 3 H2000 282.3 kJ/mol (c) Na(s) + O2(0) - Nao (s) -520.4 X kJ/mol (d) 2 KOH(s) + CO2(g) → K2CO3(s) + H20(9) -937 x kJ/mol Supporting Materials Periodic Table Constants and...
-/1 points v. OSGENCHEM1 6.4.P.060. Which atom would be expected to have a half-filled 6d subshell?...
-/1 points v. OSGENCHEM1 6.4.P.060. Which atom would be expected to have a half-filled 6d subshell? chemPad x.xº Help Greek a Supporting Materials Periodic Table Supplemental Data Constants and Factors Additional Materials Section 6.4
What mass (ing) of a concentrated solution of nitric acid (68.8% HNO, by mass) is needed...
What mass (ing) of a concentrated solution of nitric acid (68.8% HNO, by mass) is needed to prepare 394.5 g of a 13.7% solution of HNO, by mass? X 9 Supporting Materials Periodic Table Constants and Factors Supplemental Data Additional Materials eBook . -/1.5 points OSGenChemWA1 3.4.WA.001. My Notes The formula for the mass percent of a component in a solution is shown mass percent component 1000 solution In this formula, m i s the mass of the component and...
The solubility product, Ksp, for cobalt(III) hydroxide, Co(OH)3, is 1.6 x 10-44 at 25°C. What is...
The solubility product, Ksp, for cobalt(III) hydroxide, Co(OH)3, is 1.6 x 10-44 at 25°C. What is the molar solubility of cobalt(III) hydroxide in a solution containing 0.077 M KOH at 25°C? Supporting Materials Periodic Table Supplemental Data Constants and Factors Additional Materials Tutorial Complete the following table of data for Cez(SO4)3.9 H20. (Assume the density of water is 1.00 g/ml.) Кsp AG (kJ/mol) T(°C)| Solubility Concentration (g/100.9) (M ) 15.0 12.2 9.27 40 4.9 ) 27.0 40/ 39.0 6.89 40...
6. -12 points OSGenChem16.1.P.011. One of the radiographic devices used in a dentist's office emits an X-ray of wav...
6. -12 points OSGenChem16.1.P.011. One of the radiographic devices used in a dentist's office emits an X-ray of wavelength 2.100 x 10-11 m. What is the energy, in joules, and frequency. In her My Notes Ask Your Teacher energy frequency of this X-ray Supporting Materials Periodic Table El Constants and Factors Supplemental Data Additional Materials Section 6.1 O Google Google 9 $
3. -12 points v OSGENCHEM1 5.1.P.009. If 13.0 kJ of heat were added to 471 g...
3. -12 points v OSGENCHEM1 5.1.P.009. If 13.0 kJ of heat were added to 471 g of liquid water at 15°C, how much would its temperature increase (in °C)? Supporting Materials Periodic Table Constants and Factors Supplemental Data Additional Materials Section 5.1 Show My Work Required What steps or reasoning did you use? Your work counts towards your score.
Calculate the percent by mass of pure Nacl in the following mixtures. 2.3 g Nacl in...
Calculate the percent by mass of pure Nacl in the following mixtures. 2.3 g Nacl in 45.3 g aqueous solution (a) % Nacl (b) 13.4 g NaCl in 55.7 g aqueous solution % Nacl (c) 23.3 g Nacl in 77.1 g aqueous solution % Nacl Tutorial Supporting Materials Periodic Table Supplemental Data Constants and Factors 12. -/1.5 points OSGenChemWA1 3.4.WA.004 Parts per million of a component in a solution is calculated using the followling equation. mass of component total mass...
-/1 POINTS OSATOMSCHEM1 6.3.P.024. What is the mass (ing) of the solute in 0.530 L of 0.63 M glucose, CHO ? Supporting Materials Periodic Table u Constants and Factors Supplemental Data Additional Materials eBook -/1 POINTS OSATOMSCHEM1 6.3.P.029. What is the molarity of HCl if 34.71 mL of a solution of HCl contain 0.3381 g of HCI? Supporting Materials Periodic Table Constants and Factors Supplemental Data Additional Materials eBook
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...
AITOLUI.LUNI. UNI.. S SunGard Higher E. 6. 12/24 points Previous Answers OSAtomsChem1 9.3.P.068. Using the Supplemental Data, calculate the standard enthalpy change (in kJ/mol) for each of the following reactions. (a) 2 Na(s) + 1,(0) 2 Nal(s) -638.0 kJ/mol (b) Cr2O3(s) + 3 H2(g) → 2 Cr(s) + 3 H2000 282.3 kJ/mol (c) Na(s) + O2(0) - Nao (s) -520.4 X kJ/mol (d) 2 KOH(s) + CO2(g) → K2CO3(s) + H20(9) -937 x kJ/mol Supporting Materials Periodic Table Constants and...
-/1 points v. OSGENCHEM1 6.4.P.060. Which atom would be expected to have a half-filled 6d subshell? chemPad x.xº Help Greek a Supporting Materials Periodic Table Supplemental Data Constants and Factors Additional Materials Section 6.4
What mass (ing) of a concentrated solution of nitric acid (68.8% HNO, by mass) is needed to prepare 394.5 g of a 13.7% solution of HNO, by mass? X 9 Supporting Materials Periodic Table Constants and Factors Supplemental Data Additional Materials eBook . -/1.5 points OSGenChemWA1 3.4.WA.001. My Notes The formula for the mass percent of a component in a solution is shown mass percent component 1000 solution In this formula, m i s the mass of the component and...
The solubility product, Ksp, for cobalt(III) hydroxide, Co(OH)3, is 1.6 x 10-44 at 25°C. What is the molar solubility of cobalt(III) hydroxide in a solution containing 0.077 M KOH at 25°C? Supporting Materials Periodic Table Supplemental Data Constants and Factors Additional Materials Tutorial Complete the following table of data for Cez(SO4)3.9 H20. (Assume the density of water is 1.00 g/ml.) Кsp AG (kJ/mol) T(°C)| Solubility Concentration (g/100.9) (M ) 15.0 12.2 9.27 40 4.9 ) 27.0 40/ 39.0 6.89 40...
6. -12 points OSGenChem16.1.P.011. One of the radiographic devices used in a dentist's office emits an X-ray of wavelength 2.100 x 10-11 m. What is the energy, in joules, and frequency. In her My Notes Ask Your Teacher energy frequency of this X-ray Supporting Materials Periodic Table El Constants and Factors Supplemental Data Additional Materials Section 6.1 O Google Google 9 $
3. -12 points v OSGENCHEM1 5.1.P.009. If 13.0 kJ of heat were added to 471 g of liquid water at 15°C, how much would its temperature increase (in °C)? Supporting Materials Periodic Table Constants and Factors Supplemental Data Additional Materials Section 5.1 Show My Work Required What steps or reasoning did you use? Your work counts towards your score.
Calculate the percent by mass of pure Nacl in the following mixtures. 2.3 g Nacl in 45.3 g aqueous solution (a) % Nacl (b) 13.4 g NaCl in 55.7 g aqueous solution % Nacl (c) 23.3 g Nacl in 77.1 g aqueous solution % Nacl Tutorial Supporting Materials Periodic Table Supplemental Data Constants and Factors 12. -/1.5 points OSGenChemWA1 3.4.WA.004 Parts per million of a component in a solution is calculated using the followling equation. mass of component total mass...
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