Homework Answers
A) THE REACTION OF FIRST IONISATION ENERY OF HELIUM IS ,
He(g) ---------> He+ + e,
B) Na (g) +Cl (g) --------> Na+ (g) + Cl- (g),
C)2 Fe2O3 (s) +3C (S) -------> 4 Fe (s) + 3CO2 (g)
D) Nas(s) ------------> Na + (g) + S(g),
E) Bond dissociation ebnergy of oxygen,
O2 (g) ---------.> 2O. (g)
F) ENTHALPY OF FORMATION OF SODIUM SULFIDE,
Na (g) +S(g) -------> Nas (s)
Add Answer to:
Write chemical reactions (don't need values) that correspond to each of the following thermochemical quantities. Be...
2. Use the following data to calculate the lattice energy (U) of NaCl(s) from sodium me...
2. Use the following data to calculate the lattice energy (U) of NaCl(s) from sodium me chlorine: Enthalpy of formation (4H) for NaCl(s) - -411 kJ/mol Enthalpy of sublimation (4Hub) of Na 107.3 kJ/mol The first ionization energy of Na (E,)-495.8 kJ/mol The bond dissociation energy (D) of Clh- 243 kJ/mol The electron affinity of Cl (Eea)- 348.6 kJ/mol.
Using the thermodynamic quantities shown below: construct a Born-Haber cycle for the following reaction: Li(s) +...
Using the thermodynamic quantities shown below: construct a
Born-Haber cycle for the following reaction: Li(s) + 1/2
F2(g)
LiF(s); calculate the lattice energy of LiF.
Vaporization of Li(s): +159
F2 bond enthalpy: +155
Li ionization energy: +520
F- electron affinity: +328
LiF(s) heat of formation: -616
Write down the chemical equation for the 2nd ionization (IE2) energy for calcium. Follow the instructions below: Calcul...
Write down the chemical equation for the 2nd ionization (IE2)
energy for calcium. Follow the instructions below:
Calculate IE2 for calcium using the data listed below. For each data item, write down the chemical equation associated with the process (i.e., that defines the process) - making sure to indicate all phases. In order to show your work, demonstrate, using Hess' law, how you came up with the Born-Haber cycle that lead to the net chemical equation for the IE2 of...
i am having a hard time trying to calculat the madelungs constant for CaS. 1. Use the following data to do the following calculations: Ca ionic S ionic Cas Born Ca radiusradius 1.14 A 1.70A 9 S2 d...
i am having a hard time trying to calculat the madelungs
constant for CaS.
1. Use the following data to do the following calculations: Ca ionic S ionic Cas Born Ca radiusradius 1.14 A 1.70A 9 S2 dissociation S electron affinity Ca sublimation ionization +178k/mol exponent İ-200 k/mol (1") 429 kJ/mol (of S2)+532 k/mol (2 +590k/mola-) 1150 kJ/mol (2 a. Calculate the lattice formation energy for Cas in kKJ/mol. Be sure to watch your units don't forget about the t2...
Write a balanced chemical equation for each of the following reactions: 1. Hydrogen + chlorine hydrogen...
Write a balanced chemical equation for each of the following reactions: 1. Hydrogen + chlorine hydrogen chloride 2. Hydrogen + nitrogen — ammonia 3. Carbon + steam → carbon monoxide + hydrogen 4. Calcium oxide + water calcium hydroxide 5. Phosphorus + oxygen → diphosphorus pentoxide 6. Aluminum sulfate + calcium hydroxide → aluminum hydroxide + calcium sulfate 7. Aluminum + oxygen aluminum oxide 8. Sodium peroxide + water sodium hydroxide + oxygen 9. Copper + concentrated sulfuric acid →...
3. Write a balanced chemical equation for the following reactions: a. Combination of graphite (solid C)...
3. Write a balanced chemical equation for the following reactions: a. Combination of graphite (solid C) and oxygen gas to form gaseous carbon dioxide (6 points) CO+2014) — 00,(9) + b. Formation of chloramine (NH2Cl) gas and solid ammonium chloride via reaction of gaseous ammonia with chlorine gas. Include the phases of each compound (8 points). 6 NA (9) +20169) →NH, CI(9) + NH4Cl (s) 6NH (D c. Reaction of calcium chloride and sodium phosphate to form sodium chloride +...
I just need the blank data table with all the reactions shown. I need ALL 36...
I just need the blank data table with
all the reactions shown. I need ALL 36 spaces for reacting
solutions. I don't need the observations. Please
help.
ARE hem 310 LAB EXPERIMENT #6 Chemical Reactions: Double Replacements I. OBJECTIVES 1. To perform and record observations of some chemical reactions. 2. To gain skill in writing balanced equations from observations of chemical reactions using known reactants. 3. To look for ions that, if present, may cause the compounds to be insoluble...
Research Paper Criterion 1. The first draft paper should contain the following a DO NOT include...
Research Paper Criterion 1. The first draft paper should contain the following a DO NOT include a title page with the first draf (minimum 800 words), Insert name, class, ar right corner. The header will be removed to b. in text footnotes (citations) corresponding to With numerical citations, references should b repeated, do not give it number; rathe ams. In-text Chem 111 Lab Start to Name: Sufian Allah od Calelations Due Date: 11/22 Station Reaction tenergy. heat of wald ange,...
CHM 1210 Final practice Name: Know electrolyte table, 5 solubility rules; 26 polyatomics (name/formula) Write 7...
CHM 1210 Final practice Name: Know electrolyte table, 5 solubility rules; 26 polyatomics (name/formula) Write 7 naturally occurring diatomic molecules (name; formula, phase , charge) Write rite out strong acids and weak acids by name; formula, phase ,charge Write out the molecular, complete, and net-ionic equations for the following reactions The mixing of Cobalt(IlI) chloride and silver nitrate The mixing of acetic acid and sodium hydroxide The mixing of hydrochloric acid and cakcium hydroxide The mixing of barium chloride and...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
2. Use the following data to calculate the lattice energy (U) of NaCl(s) from sodium me chlorine: Enthalpy of formation (4H) for NaCl(s) - -411 kJ/mol Enthalpy of sublimation (4Hub) of Na 107.3 kJ/mol The first ionization energy of Na (E,)-495.8 kJ/mol The bond dissociation energy (D) of Clh- 243 kJ/mol The electron affinity of Cl (Eea)- 348.6 kJ/mol.
Using the thermodynamic quantities shown below: construct a
Born-Haber cycle for the following reaction: Li(s) + 1/2
F2(g)
LiF(s); calculate the lattice energy of LiF.
Vaporization of Li(s): +159
F2 bond enthalpy: +155
Li ionization energy: +520
F- electron affinity: +328
LiF(s) heat of formation: -616
Write down the chemical equation for the 2nd ionization (IE2)
energy for calcium. Follow the instructions below:
Calculate IE2 for calcium using the data listed below. For each data item, write down the chemical equation associated with the process (i.e., that defines the process) - making sure to indicate all phases. In order to show your work, demonstrate, using Hess' law, how you came up with the Born-Haber cycle that lead to the net chemical equation for the IE2 of...
i am having a hard time trying to calculat the madelungs
constant for CaS.
1. Use the following data to do the following calculations: Ca ionic S ionic Cas Born Ca radiusradius 1.14 A 1.70A 9 S2 dissociation S electron affinity Ca sublimation ionization +178k/mol exponent İ-200 k/mol (1") 429 kJ/mol (of S2)+532 k/mol (2 +590k/mola-) 1150 kJ/mol (2 a. Calculate the lattice formation energy for Cas in kKJ/mol. Be sure to watch your units don't forget about the t2...
Write a balanced chemical equation for each of the following reactions: 1. Hydrogen + chlorine hydrogen chloride 2. Hydrogen + nitrogen — ammonia 3. Carbon + steam → carbon monoxide + hydrogen 4. Calcium oxide + water calcium hydroxide 5. Phosphorus + oxygen → diphosphorus pentoxide 6. Aluminum sulfate + calcium hydroxide → aluminum hydroxide + calcium sulfate 7. Aluminum + oxygen aluminum oxide 8. Sodium peroxide + water sodium hydroxide + oxygen 9. Copper + concentrated sulfuric acid →...
3. Write a balanced chemical equation for the following reactions: a. Combination of graphite (solid C) and oxygen gas to form gaseous carbon dioxide (6 points) CO+2014) — 00,(9) + b. Formation of chloramine (NH2Cl) gas and solid ammonium chloride via reaction of gaseous ammonia with chlorine gas. Include the phases of each compound (8 points). 6 NA (9) +20169) →NH, CI(9) + NH4Cl (s) 6NH (D c. Reaction of calcium chloride and sodium phosphate to form sodium chloride +...
I just need the blank data table with
all the reactions shown. I need ALL 36 spaces for reacting
solutions. I don't need the observations. Please
help.
ARE hem 310 LAB EXPERIMENT #6 Chemical Reactions: Double Replacements I. OBJECTIVES 1. To perform and record observations of some chemical reactions. 2. To gain skill in writing balanced equations from observations of chemical reactions using known reactants. 3. To look for ions that, if present, may cause the compounds to be insoluble...
Research Paper Criterion 1. The first draft paper should contain the following a DO NOT include a title page with the first draf (minimum 800 words), Insert name, class, ar right corner. The header will be removed to b. in text footnotes (citations) corresponding to With numerical citations, references should b repeated, do not give it number; rathe ams. In-text Chem 111 Lab Start to Name: Sufian Allah od Calelations Due Date: 11/22 Station Reaction tenergy. heat of wald ange,...
CHM 1210 Final practice Name: Know electrolyte table, 5 solubility rules; 26 polyatomics (name/formula) Write 7 naturally occurring diatomic molecules (name; formula, phase , charge) Write rite out strong acids and weak acids by name; formula, phase ,charge Write out the molecular, complete, and net-ionic equations for the following reactions The mixing of Cobalt(IlI) chloride and silver nitrate The mixing of acetic acid and sodium hydroxide The mixing of hydrochloric acid and cakcium hydroxide The mixing of barium chloride and...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
Most questions answered within 3 hours.
-
Recall that if X is a Student’s t random variable with n df,
then by definition...
asked 9 minutes ago -
A charge of -2.95 µC is fixed in place. From a horizontal
distance of 0.0470 m,...
asked 6 minutes ago -
Consider the following information:
Your company makes widgets. You are trying to figure out what
volume...
asked 8 minutes ago -
Math 333 Plz help ASAP
The yield of a chemical process is being studied. From previous...
asked 24 minutes ago -
Cobb-Douglas Preferences: Cobb-Douglas preferences on the
consump-
tion set R2+ can be represented by a utility...
asked 20 minutes ago -
In your experience, what are some of the barriers to the
successful implementation of a project?...
asked 23 minutes ago -
1. A normal distribution has a mean of
μ = 60 and a standard deviation
of...
asked 25 minutes ago -
The size of your Social Security benefits is determined by:
(select all that apply) Question 1...
asked 38 minutes ago -
Starch polymers are broken down by enzymes into monomers
called:
a.)maltose
b.) dextrins
c.) glucose
d.)...
asked 44 minutes ago -
How does HA (High Availability) work and name two ways it can
help an organization?
asked 47 minutes ago -
Saginaw Company is a garden products wholesale firm. In
December, Saginaw Company expects to sell 26,000...
asked 47 minutes ago -
Write a program for the management of a bookstore in java,
WITHOUT THE USE OF BOOK...
asked 48 minutes ago