Dispersion forces weak - Study guides, Class notes & Summaries

CHEM 210 Module 2 Exam Newest 1. a higher melting or boiling point indicates the molecule has: stronger inter- molecular forces. 2. What is the shape of water?: Bent. The bond angle is 104.5 degrees. 3. What is autoionization, and how is it important for water?: Autoionization is the ability of a compound to react with itself to form ions. One water molecule reacts with a second molecule to form two ions: H3O+ and OH-. These ions exist in ...

API Exam 1|236 Questions with Verified Answers Timeline for Nanomedicines rugs? - CORRECT ANSWER 1965 --> liposomes (lipid based vehicles drug inside membrane OR inside core) 1976 --> polymeric systems 1978 --> Dendrimers 1980 --> PEGylated liposomes (liposomes with PEG polymer on surface, which keeps the drug in circulation longer) 1995 --> doxil (PEGylated liposomes, one of the first drugs approved) 2013 --> Kadcyla (antibody drug) It's not necessa...

AAMC FL4 Exam Questions and Answers 2024 spontaneous reaction -Answer-delta g is negative if the reaction is not spontaneous, delta g is positive. equilibrium constant -Answer-products over reactants; do not include solids and liquids According to Table 1, what is the concentration of the glucose in the blood from which the diluted sample was taken? Passage: table & a blood sample with 1/30 dilution ratio was mixed in a transparent cuvette with an oxygen- acceptor solution containing gl...

HESI A2 ENTRANCE EXAM: READING COMPREHENSION, CHEMISTRY, GRAMMAR, BIOLOGY, VOCABULARY & GENERAL KNOWLEDGE, CRITICAL THINKING, ANATOMY & PHYSIOLOGY AND MATH VERSION 2 (With answers) Reading Comprehension Neurologists and biological psychologists have witnessed a sharp increase in the knowledge and understanding of particular structures of the brain over the past two decades. As technology becomes ever more advanced, scientists are able to isolate the functions of even small regions of ...

OCEAN 320 Midterm Exam | Questions and Answers (Complete Solutions) Which of the following is NOT a reported issue related to PCB in Beluga Whales in the St Lawrence seaway? -impaired mammary glands -rare cancerous tumors - heart disease -reduced birth rate What best describes a "Neuston" in the context of life in the ocean? -it is a philosophy for "new age" ocean thinking -it is s deep-sea life form found to have high levels of POP chemicals -It is related to shallow water ecosystems -It ...

Weakest forces, exist in all substances, only force in non-polar substances, form temporary dipoles - ANSWER London or Dispersion forces Dispersion forces ____ with increasing molar mass - ANSWER increase Stronger than dispersion forces, only present in polar substances, attraction between oppositely charges ends of polar molecules - ANSWER Dipole-dipole forces Dipole-dipole forces ____ with increasing molar mass - ANSWER increase Very strong dipole force, only exist in compounds whe...

Valance shell Outermost electron shell and its electrons determine chemical behaviour and bonding Radioactive isotopes Useful in medical diagnostic tests and in research Atoms can gain or lose electrons ... Metals lose electrons and non-metals accept ... Anions negatively charged ions (gain electrons) Cations positively charged ions (lose electrons) Intramolecular bonds Strong bonds - ionic, covalent, or metallic bonds Intermolecular bond...

AP Chemistry | Unit 3 Progress Check: MCQ: 2023. (two diagrams shown above) Which particle diagram shown above best represents the strongest intermolecular force between two ethanol, C2H6O, molecules? C) Diagram 2, because it shows the formation of a hydrogen bond between an H atom bonded to an O atom with an O atom from another molecule. (Li+, Mg2+, Na+, and Ca2+ cations shown above) The diagram above represents four cations, all shown to the same scale. Which cation would be predicted by ...

Ionic Character the bigger the difference between the ENs of 2 atoms, the more likely it is to be ionic if EN is the same, it's likely a covalent bond Ka acid dissociation constant Kb Base dissociation constant Ksp solubility product constant reactant --> x product1 + y product2 Ksp = [proudct1]^x * [product 2]^y pKa =-logKa the pH at which half of the molecules of that species are deprotonated = Ka x Kb pH -log[H+] H+ = 10^-pH Keq &gt...

HESI A2 Chemistry (V1 & V2) EXAM 2023/2024 QUESTIONS AND CORRECT ANSWERS If a hydrogen is in a compound, what would its oxidation number be - ANSWER +1 What is the oxidation number for any SIMPLE ion - ANSWER +1 or -1 depending on the charge of the ion How many kilograms are in a pound - ANSWER 0.45 What is the temperature for freezing point of water in Celsuis - ANSWER 0 degrees What is teh conversation of celsius to fahrenheit - ANSWER 0C = 32F What is the oxidation number of an ele...