Pcl3 - Study guides, Class notes & Summaries
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A LEVEL Chemisrty June 2020 Paper 2 Questions From Real Exams
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A LEVEL Chemisrty June 2020 Paper 2 Questions 
From Real Exams 
1 
2 
Section A 
Answer all questions in this section. 
Do not write 
outside the 
box 
This question is about 1-chloropropane. 
. Define the term standard enthalpy of formation. 
[2 marks] 
. The equation for a reaction used to manufacture 1-chloropropane is 
3CH3CH2CH2OH(l) + PCl3(l) 3CH3CH2CH2Cl(l) + H3PO3(s) 
The enthalpy change for this reaction, ΔH, is –114 kJ mol–1 
Table 1 contains some standard enthalpy of formati...
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CHEM133 Week 16 Final Exam (Spring)
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MLS 121 Laboratory Midterm Exam Questions & answers | Best For 2024 Exam
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MLS 121 Laboratory Midterm Exam Questions & answers | Best For 2024 Exam 5/20/22, 11:47 AM MLS 121 Laboratory Midterm Exam 

Student Identification 0 of 0 points 
Kindly complete the data below. 
MLS 121 Laboratory Midterm Exam Total points 66/100 
Good Day! 
The MIDTERM examination is a 100-POINT ONLINE EXAM that will utilize a Google Form. It 
is composed of Multiple Choice questions that is answerable within TWO HOURS ONLY. The 
examination shall cover Activities 3 and 4. The exam questionnai...
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ALL KNEWTON TESTS Exam Questions With Verified Answers.
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ALL KNEWTON TESTS Exam Questions 
With Verified Answers. 
The rate of a reaction is: - answerdirectly proportional the to rate of collisions 
Identify the option below that exemplifies how the intrinsic chemical properties of a reactant 
affect the rate of reaction. - answerWhen exposed to air, sodium reacts completely overnight, 
whereas iron barely reacts. 
In a chemical equation, the symbol between the reactants and the products that is used to indicate 
an equilibrium reaction is ___________...
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CHEM133 Week 16 Final Exam (Spring)
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1.	Question: Calculate the lattice energy of NaBr(s), given the following thermochemical equations, where ΔIE and ΔEA are ionization energy and electron affinity, respectively. 
2.	Question: In which case is the bond polarity incorrect? 
3.	Question: The phosphorus atom in PCl3 would be expected to have a 
4.	Question: Which of the following bonds would be the most polar without being considered ionic? 
5.	Question: Calculate the standard enthalpy of formation (ΔHformation) for LiCl(s) given ...
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Final Inorgo Exam Questions And Complete Correct Answers Graded A+.
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Consider ionic compound, MX3, composed of generic metal M and generic gaseous halogen X. 
Enthalpy of formation of MX3 =-701kJ/mol 
 
enthalpy of sublimation of M= 177 kJ/mol 
 
1st, 2nd, and 3rd ionization energies of M=625 kJ/mol, 1583 kJ/mol, and 2469 kJ/mol 
 
Electron affinity of X =-315kJ/mol 
 
bond energy of X2= 183kJ/mol 
 
Determine the lattice energy of MX3 - correct answer lattice energy = -4885 kJ/mol 
enthalpy of sublimation is -701 
bo...
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MLS 121 Laboratory Midterm Exam Questions & answers | Best For 2024 Exam
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MLS 121 Laboratory Midterm Exam Questions & answers | Best For 2024 Exam 5/20/22, 11:47 AM MLS 121 Laboratory Midterm Exam 

Student Identification 0 of 0 points 
Kindly complete the data below. 
MLS 121 Laboratory Midterm Exam Total points 66/100 
Good Day! 
The MIDTERM examination is a 100-POINT ONLINE EXAM that will utilize a Google Form. It 
is composed of Multiple Choice questions that is answerable within TWO HOURS ONLY. The 
examination shall cover Activities 3 and 4. The exam questionnai...
-
Writing and Balancing Chemical Equations questions and answers latest top score.
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Writing and Balancing Chemical Equations questions and answers latest top score. 
 
 
 
 
 
 
 
 
 
This formula equation is unbalanced. 
 
P4(s) + Cl2(g)→PCl3(l) 
 
Which coefficient should be placed in front of PCl3 to balance this equation? - correct answers.2 
 
The compound CO2 is made of - correct atom of carbon and two atoms of oxygen. 
 
Which formula equation represents the burning of sulfur to produce sulfur dioxide? - correct answers.A. 
 
Which chemical equation is unbalanced? - c...
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UNE Chem 1011 week 5-7 review Questions With Complete Solutions
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For the reaction F2(g) ⇌ 2 F(g), the equilibrium constant at 223 °C is 7.3 x 10-13. If a sample of F2 is heated to 223 °C and allowed to reach equilibrium correct answer: nearly all of F2 will remain unreacted, with a very small amount of F present 
 
At equilibrium correct answer: the rate of the forward reaction is equal to the rate of the reverse reaction and the concentration of the reactants and products can be very different 
 
For the reaction 2 BrCl(g) ⇌ Br2(g) + Cl2(g), the equi...
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CHEM133 Week 16 Final Exam (Summer) Questions and Answers APU
- Exam (elaborations) • 11 pages • 2023
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1.	Question: Calculate the lattice energy of NaBr(s), given the following thermochemical equations, where ΔIE and ΔEA are ionization energy and electron affinity, respectively. 
2.	Question: In which case is the bond polarity incorrect? 
3.	Question: The phosphorus atom in PCl3 would be expected to have a 
4.	Question: Which of the following bonds would be the most polar without being considered ionic? 
5.	Question: Calculate the standard enthalpy of formation (ΔHformation) for LiCl(s) given ...
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