Pcl3 - Study guides, Class notes & Summaries

Chemistry Chapter 4 Test WITH QUESTIONS AND WELL VERIFIED ANSWERS [ACTUAL EXAM 100%] ALREADY GRADED A+ REAL EXAM!! REAL EXAM!!! A 12.39 g sample of phosphorus reacts with 42.54 g of chlorine to form only phosphorus trichloride (PCl3). If it is the only product, what mass of PCl3 is formed? - ANSWER-P+3Cl-> PCl3. P 12.39 g P/30.97 S = .4 mol P. Cl 42.54 g/ 35.45 = 1.2 mol Cl. P .4 mol x 1 mol PCl3/ 1 mol P x 132.32 g PCl3/ 1 mol= 54.93g. Cl 1.2 mol x 1 mol ...

MULTIPLE CHOICE 1. How many electrons can the shell with a principal quantum number of 1 hold? a. 1 b. 2 c. 4 d. 8 ANS: B 2. How many electrons can the shell with a principal quantum number of 2 hold? a. 1 b. 2 c. 4 d. 8 ANS: D 3. What is the ground-state electronic configuration of a nitrogen atom (nitrogen: atomic number 7)? a. 1s22s12p4 b. 1s22s22p3 c. 1s12s12p5 d. 1s22s22p2 ANS: B 4. What is the ground-state electronic configuration of a fluorine atom (fluorine: atomic num...

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 ...

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 ...

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 ...

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...

1. The name of the compound FES04 is iron sulfate 2. Peptide bonds link the amino acids together to make a primary polypeptide sequence. The bonds are AMIDE 3. If a balloon is filled with helium were heated with a blow dryer , the balloon would increase in volume 4. You are setting up an experiment to test a pair of experimental headache medications, X & Y . As part of the experiment setup, you take individuals suffering from headaches and divide them into 4 groups and provide each wit...

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 ...

Chapter 3 - Bonding: General Concepts 1. The force between two bodies having identical electric charges _____. a. is a force of repulsion b. is a force of repulsion if the charges are negative, and one of attraction if they are positive c. increases as the bodies are moved further apart d. is independent of the distance between them e. is directly proportional to the distance between them ANSWER: POINTS: 2. In which pair do both compounds exhibit predominantly ionic bonding? a 1 ANSWER:...