Chem 101 exam 1 - Study guides, Class notes & Summaries

STRAIGHTERLINE CHEM 101 EXACTITUDE EXAM 4 2024 SOLUTIONS Which of the following elements has the smallest first ionization energy - correct answer Rb How many total electrons are present in chloride ion - correct answer 18 Which one of these elements is a transition element - correct answer Nickel Which of these choices is the electron configuration of the iron(III) ion - correct answer [Ar]3d^5 An element with the electron configuration [noble gas]ns2(n - 1)d10np3 has _________...

chem 101 exam 4 with verified solutions

Straighterline Chem 101 Exam 4 Questions And Answers Straighterline Chem 101 Exam 4 Questions And Answers

Straighterline chem 101 exam 1 with questions and answers.Question 1 Correct 4.60 points out of 4.60 Flag question Question text What is the term used for findings that are summarized based on a pattern or trend? Select one: a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction Feedback The correct answer is: Law Question 2 Correct 4.60 points out of 4.60 Flag question Question text What is a unifying principle that explains a body of experimental observations? Select one...

Which of the following activities is not a part of good science? Select one: a. Proposing a theory b. Developing a hypothesis c. Making quantitative observations d. Designing experiments e. Indulging in speculation Question 2 Correct 4.60 points out of 4.60 Flag question Question text What is a unifying principle that explains a body of experimental observations? Select one: a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction Question 3 Correct 4.60 points out of 4.60 ...

Which of the following is a tentative explanation for a set of observations? Select one: a. Law b. Hypothesis c. Theory d. Phenomena e. Prediction Question 2 Correct 4.60 points out of 4.60 Flag question Question text Which of the following cannot be separated into simpler substances by chemical means? Select one: a. Element b. Emulsion c. Compound d. Homogeneous mixture e. Heterogeneous mixture Question 3 Correct 4.60 points out of 4.60 Flag question Question text Which ...

CHEM 101 Exam Questions With Complete Solutions All of the following are reasons why chemistry is known as the "central science", EXCEPT: A. Many biological processes involve chemical reactions. B. Because it intersects with and provides a basis for a variety of other scientific disciplines. C. Because it is crucial to understanding other scientific concepts like energy transfer. D. Because it was created to study all other sciences. - ANSWER- Because it was created to study all...

Which of these compounds is a weak electrolyte? Select one: a. HCl b. NH3 c. C6H12O6 (glucose) d. N2 e. KCl Question 2 Correct 4.60 points out of 4.60 Remove flag Question text What volume of water must be added to 300 mL of 0.75 M HCl to dilute the solution to 0.25 M? Select one: a. 900 mL b. 600 mL c. 300 mL d. 930 mL e. 100 mL Question 3 Correct 4.60 points out of 4.60 Flag question Question text The substance HClO4 is considered to be Select one: a. a weak acid. b...

Consider the following four solutions:  NaCl in water  Acetic acid in water  Acetic acid in benzene  Naphthalene in benzene Which of these solutions has the strongest solute-solvent interactions and the interaction is of which type? Select one: a. Acetic acid in water; hydrogen bonding b. Acetic acid in benzene; dipole-induced dipole interaction c. NaCl in water; ion-dipole interaction d. Naphthalene in benzene; London Dispersion Forces e. NaCl in water; hydrogen bonding ...