Chem 101 Study guides, Class notes & Summaries

STRAIGHTERLINE CHEM 101 GENERAL CHEMISTRY GRADED EXAM 1 - APRIL 2022

Platinum has a face-centered cubic crystal structure and a density of 21.5 g/cm3 . What is the radius of a platinumSelect one: a. 69 pm b. 98 pm c. 139 pm d. 196 pm e. 277 pm Question 2 Correct 4.60 points out of 4.60 Flag question Question text Helium atoms do not combine to form He2 molecules, yet He atoms do attract one another weakly through Select one: a. dipole-dipole forces. b. ion-dipole forces. c. dispersion forces. d. dipole-induced dipole forces. e. hydrogen bonding....

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 ...

Straighterline chem 101 exam 2 with questions and answers.The distinguishing characteristic of all nonelectrolyte solutions is that they Select one: a. contain ions. b. do not conduct electricity. c. react with other solutions. d. always contain acids. e. conducts heat. Feedback The correct answer is: do not conduct electricity. Question 2 Correct 4.60 points out of 4.60 Flag question Question text If aqueous solutions of Mg(C2H3O2)2 and LiOH are mixed, which insoluble precipitate ...

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 ...

QUESTIONS AND ANSWERS

Module Two Chem 101 Problems Exam Questions And Answers 100% Solved 2024 Carbon dioxide is a _____ compound composed two types of _____ atoms. A. Molecular, metal B. ionic, metalloid C. molecular, nonmetal D. ionic, metal - answerC. molecular, nonmetal Carbon dioxide is a molecular compound composed of two oxygen atoms with covalent double bonds to a central carbon atom. Both C and O are to the right of the "staircase" on the periodic table, as nonmetals. Classify the following compo...

Chem 101 Final Exam Questions And Answers 100% Solved Determine the formula weight of KBr - answer119.00 amu Determine the mass in grams of 3.00 x 10^21 atoms of arsenic. (The mass of one mole of arsenic is 74.92 g.) - answer0.373 g Fill in the blank: A mole is defined as the number of carbon atoms in _____ g of pure ^12C. - answer12 How many atoms are in 1.2 mol of carbon? - answer7.2264 x 10^23 Which one of the following contains the most moles of oxygen atoms? A) 1 mol of Fe(C2H3O2)3...

CHEM 101-STRAIGHTERLINE EXAM 1 QUESTIONS & ANSWERS (2023/2024)(VERIFIED ANSWERS)

Page path • CHEM101_MH_V4 • Topic 3: Stoichiometry Started on Thursday, March 17, 2022, 9:21 AM State Finished Completed on Thursday, March 17, 2022, 10:39 AM Time taken 1 hour 18 mins Grade 105.80 out of 115.00 (92%) Feedback You’re off to a good start. A course grade of 70% is required to request a transcript. You’ve met that for the first exam already, but if you want to reattempt for a higher grade you can retake this assessment. Study hard for each exam, and consider using t...