CHEM205 - General Chemistry I: Chemical Systems - QUIZ
CHEM205 · General Chemistry I: Chemical Systems
Concordia University
Questions
35 Questions
Practice 35 questions on CHEM205 - General Chemistry I: Chemical Systems at Concordia University. Free AI-generated quiz on uNotes — track your score, retake anytime.
1What are the spectator ions in the reaction between aqueous hydrobromic acid (HBr) and aqueous sodium hydroxide (NaOH)?
2Which of the following observations is/are examples of a chemical change?
3Which three elements are likely to have similar chemical and physical properties?
4What is the net ionic equation for the reaction of aqueous sodium hydroxide and aqueous iron (II) chloride?
5An ionic compound has the formula MCl₂. The mass of 0.3011 mol of the compound is 62.69 grams. What is the identity of the metal M?
6Consider the oxidation – reduction reaction: 2 C₂H₆(g) + 7 O₂(g) → 4 CO₂(g) + 6 H₂O(g). Which of the following statements is correct?
7What is the binding energy of an electron in a photosensitive metal (in kJ/mol) if the longest wavelength of light that can eject an electron from the metal is 238 nm?
8If the volume of an ideal gas is reduced to ½ of its original volume while the temperature and the number of moles remain constant, what changes will be observed?
9Which of the following elements has the greatest second ionization energy?
10Which of the following statements is INCORRECT regarding quantum mechanics and atomic structure?