Homework Answers
Add Answer to:
-/1 POINTS OSATOMSCHEM1 6.3.P.024. What is the mass (ing) of the solute in 0.530 L of...
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)...
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...
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...
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...
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
Calculate the pH after 0.16 mole of NaOH is added to 1.06 L of a solution that is 0.46 M HNO2 and 1.14 M KNO2, and calcu...
Calculate the pH after 0.16 mole of NaOH is added to 1.06 L of a
solution that is 0.46 M HNO2 and 1.14
M KNO2, and calculate the pH after 0.32 mole of
HCl is added to 1.06 L of the same solution of HNO2 and
KNO2.
0.16 mole of NaOH
0.32 mole of HCl
12. 6.25 points | Previous Answers ZumChemP8 8E.029 My Notes Ask Your Calculate the pHfter 0.16 mole of NaOHs added to 1.06 L of a...
Determine the volume (in L) of 1.00 mol of CH4 gas at 157 K and 1.00...
Determine the volume (in L) of 1.00 mol of CH4 gas at 157 K and 1.00 atm, using the data below. Temperature (K) Volume (L) 274 22.48 253 20.76 219 17.97 113 9.27 Supporting Materials Periodic Table Supplemental Data Constants and Factors Additional Materials eBook
1. -/1.5 points OSAtomsChem1 6.3.P.035. If 4.48 L of a 0.745 MH,PO solution is diluted to a volume of 15.10 L, what...
1. -/1.5 points OSAtomsChem1 6.3.P.035. If 4.48 L of a 0.745 MH,PO solution is diluted to a volume of 15.10 L, what is the concentration (in M) of the resulting solution?
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 $
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)...
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...
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...
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...
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
Calculate the pH after 0.16 mole of NaOH is added to 1.06 L of a
solution that is 0.46 M HNO2 and 1.14
M KNO2, and calculate the pH after 0.32 mole of
HCl is added to 1.06 L of the same solution of HNO2 and
KNO2.
0.16 mole of NaOH
0.32 mole of HCl
12. 6.25 points | Previous Answers ZumChemP8 8E.029 My Notes Ask Your Calculate the pHfter 0.16 mole of NaOHs added to 1.06 L of a...
Determine the volume (in L) of 1.00 mol of CH4 gas at 157 K and 1.00 atm, using the data below. Temperature (K) Volume (L) 274 22.48 253 20.76 219 17.97 113 9.27 Supporting Materials Periodic Table Supplemental Data Constants and Factors Additional Materials eBook
1. -/1.5 points OSAtomsChem1 6.3.P.035. If 4.48 L of a 0.745 MH,PO solution is diluted to a volume of 15.10 L, what is the concentration (in M) of the resulting solution?
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 $
Most questions answered within 3 hours.
-
Calculate the approximate number of residues of Rubisco, which
is involved in carbon fixation in plants,...
asked 48 minutes ago -
Other decisions about scientific claims can have a much broader
impact.ENERGYarrow-10x10.png, environment, health, security - all...
asked 1 hour ago -
I need to write a research paper and work cited about this
topic: The United States...
asked 2 hours ago -
Hello! I was wondering if I could have some help?
If the vapor pressure of carvone...
asked 2 hours ago -
An economist wants to estimate the mean per capita income (in
thousands of dollars) for a...
asked 2 hours ago -
What would be the input/output characteristic of a circuit
obtained by putting two of your 2's-complementers...
asked 2 hours ago -
In Drosophila, the transition from the syncytial blastoderm
stage to the cellular blastoderm stage is a...
asked 3 hours ago -
Project management question:
Name 3 different types of resources (hint: humans are one
type)
asked 3 hours ago -
Consider the following reaction: C 2H 2( g) + 2H 2( g) C 2H 6(
g)...
asked 3 hours ago -
Consider a 1.0 L buffer containing 0.092 mol L-1 HCOOH and 0.100
mol L-1 HCOO-. What...
asked 3 hours ago -
Koch Realty has owned a vacant land with a FMV of
$775,000 and an adjusted basis...
asked 3 hours ago -
It is estimated 29% of all adults in United States invest in
stocks and that 85%...
asked 3 hours ago