Chem 210 exam 1 stuvia - Study guides, Class notes & Summaries

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Intermolecular forces - ANSWER- non bonding forces - found BETWEEN molecules - influence the energy physical properties of the substances Physical properties examples - ANSWERboiling point, melting point, solubility, color, odor, etc. T/F: stronger intermolecular forces correlate to a higher boiling point - ANSWERTrue Kinetic energy - ANSWER- provides the energy needed to overcome intermolecular forces What is kinetic energy associated with? - ANSWERThe random motion of particles...

Portage Learning CHEM 210 exams 1-8 and final examLatest Updated Examination Study Guide 2023/2024 100% Correct Answers Question 1 3 / 3 pts True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule.Portage Learning CHEM 210 exams 1-8 and final examLatest Updated Examination Study Guide 2023/2024 100% Correct AnswersPortage Learning CHEM 210 exams 1-8 and final examLatest Updated Examination Study Guide 2023/2024 100% Correct...

/F according to the module, a compound with a molecular mass of 3,000 g/mol is considered a macromolecule - ANSWERfalse T/F biomolecules can have only two functional groups - ANSWERfalse T/F in a eukaryotic cell, the organelles called peroxisomes serve the purpose of digesting macromolecules - ANSWERfalse T/F carbon dioxide has a linear molecular shape AND has a bond angle of 120 - ANSWERfalse of the following, ______ is not a property of carbon A. forming ionic bonds B. forming cy...

What is the chemical symbol for an atom that has 29 protons and 36 neutrons? A) Cu B) Kr C) N D) Tb E) S - ANSWERA) Cu How many SO2 molecules are there in 1.80 mol of SO2? A) 1.08 X 10^23 molecules SO2 B) 6.02 x 10^24 molecules SO2 C) 1.80 x 10^24 molecules SO2 D) 1.08 x 10^24 molecules SO2 E) 6.02 x 10^23 molecules SO2 - ANSWERD) 1.08 x 10^24 1.80 mol SO2 X 6.022x10^23 SP2 moles/1 mol SO2 = D One of the choices below, which one is NOT an ionic compound? (Molecular Co...

sp Hybridization - ANSWER2 SP + 2 π orbital Linear geometry at carbon sp² Hybridization - ANSWER3 SP + 1 π orbital Trigonal planar geometry at carbon sp³ Hybridization - ANSWER4 SP orbitals Tetrahedral geometry Antibonding MOs - ANSWERDestructive interference waves created by high energy electrons in MO models (Node is always present in antibonds) Bonding MOs - ANSWERConstructive interference waves created by lower energy electrons in MO models (No nodes, but beware of node-li...

What phase change is taking place if DHsub = 26.1 kJ/mol is being used to calculate the heat involved in the process) 1)Liquid to solid 2) Gas to solid 3) Solid to liquid 4) Liquid to gas 5) Solid to gas - ANSWER3 Diethyl ether, (CH3CH2)2O , used as a solvent for extraction of organic compounds from aqueous solutions, has a high vapor pressure which makes it a potential fire hazard in laboratories in which it is used. How much energy is released when 10 g is cooled from 50.0°C to 10....

Bronsted-Lowry acid - ANSWERproton donor (H+) and donates Electron Bronsted-Lowry base - ANSWERproton acceptor (H+), accepts electron HI ( give pKa, Conjugate Base, and reasons) - ANSWER-10, I^-(iodide), noble gas like configuration, large orbitals(less electron repulsion) somewhat electronegative HCl ( give pKa, Conjugate Base, and reasons) - ANSWER-7, Chloride(Cl^-), noble gas-like, electronegative H3O^+(Hydronium)- ( give pKa, Conjugate Base, and reasons) - ANSWER-2, H2O, neutra...