Exothermic answer h - Study guides, Class notes & Summaries

FTCE Middle Grades Science 5-9 Exam Questions With 100% Verified Answers Correlation shows _____ not _____ - answerPositive & Negative....not cause & effect Which atom has the smallest mass? - answerElectrons = 0 What is an isotope? - answerAtoms of the same element that have different numbers of neutrons (top #) What are alpha particles represented by? - answerHe or a How do you find the amount of electrons in an isotope? - answerSubtract atomic #(protons) from mass #(protons+neutrons) ...

General Chemistry II (CHEM113) ACS Final 289 Questions with Verified Answers The two states that are collectively known as the condensed states are _______. - CORRECT ANSWER solid and liquid The attractive forces that exist between all molecules and atoms, and are the forces that hold many solids and liquids together - CORRECT ANSWER intermolecular forces Intermolecular forces are only significant at _____. - CORRECT ANSWER short distances The state of a sample of matter is determine...

C125 EXAM-QUESTIONS WITH CORRECT ANSWERS 3.Write a balanced chemical equation noting all species and states of matter 4.Break up any aqueous compound into its ions to write the total ionic equation (including states of matter) 5.Cancel out any spectator ions 6.Write the remaining species as the net ionic equation Endothermic - Answer- - Absorbs heat from the surroundings - Becomes colder; requiring a gain of energy Exothermic - Answer- - Releases energy to it surroundings ...

Chemistry 112 ACS Exam 69 Questions with Verified Answers Energy (decreases/increases) with increasing wavelength? - CORRECT ANSWER decreases Energy (decreases/increases) with increasing frequency? - CORRECT ANSWER increases The energy gaps between levels (decrease/increase) as the energy levels increase (n=1 to n=2 to n=3, etc.) - CORRECT ANSWER decreases The O-Si-O bond angles in SiO₂ (quartz) are closest to... - CORRECT ANSWER 110° A molecule with 0 lone pairs and 2 bonding ...

WGU Biochemistry OA Review Exam 2023- Questions and Answers 100% CorrectWGU Biochemistry OA Review Exam 2023- Questions and Answers 100% CorrectWGU Biochemistry OA Review Exam 2023- Questions and Answers 100% CorrectWGU Biochemistry OA Review Exam 2023- Questions and Answers 100% CorrectWGU Biochemistry OA Review Exam 2023- Questions and Answers 100% Correct Bohr Effect chart (low pH) - ANSWER - C- High CO2 H- High H+ A- Acidic R-Release of O2(rt. Shift) T- tense state (in tissues) Prima...

Chem 103 Exam 1 Review - UW Madison Questions And Answers 100% Guaranteed Success. What is an acid? - correct answer. solution has an excess of H+ ions What is a base? - correct answer. solution has an excess of hydroxyl ions (OH-) What is neutralization? - correct answer. -process where acid and base are mixed until they become neutral and the PH is 7. What are the two products of a neutralization chemical reaction? - correct answer. water and salt ( The type of ...

CHEM 107 Ch. 17: Free Energy and Thermodynamics Exam 4 || Questions & Answers (100% Verified) CHEM 107 Ch. 17: Free Energy and Thermodynamics Exam 4 || Questions & Answers (100% Verified) kinetics, equilibrium, thermodynamics - ANSWER - kinetics: rate = k[A][B] how fast? equilibrium: how far? thermodynamics: will it occur? spontaneous process - ANSWER - occurs w/o ongoing outside intervention - seeking lowest potential energy non-spontaneous process - ANSWER - does not mean impossib...

rate of reaction - correct answer Change in concentration of a reactant of product per unit time order - correct answer The power in which the concentration of the reactant is raised in the rate equation half-Life - correct answer The time taken for the concentration of a reactant to reduce by half rate determining step - correct answer The slowest step in a reaction mechanism of a multi-step reaction how would you carry out a clock reaction? - correct answer - measure time taken fro...

MCGRAW HILL CHEMISTRY CHAPTER 6 FINAL EXAM QUESTIONS WITH CORRECT ANSWERS UPDATED!! Isolated System - Answer-Can exchange nothing with surroundings (Adiabatic) Universe - Answer-System + Surroundings Delta E - Answer-E(final) - E(initial) or E(products)-E(reactants) also heat + work or q + w Positive q - Answer-Heat gained by system, endothermic Negative q - Answer-Heat lost by system, exothermic Work - Answer--P x delta V Joule - Answer-1 kg*m^2/s^2 calorie - Answer-4.184...

Intramolecular - Answer-forces holding atoms within molecules intermolecular - Answer-forces of attraction between molecules Ion-ion - Answer-strongest bonds; high melting temps; involve cations and anions ion-permanent dipole - Answer-salts + polar molecules (water); metal ions with water or other polar mol. dipole-dipole - Answer-bind molecules with PERMANENT dipoles; seen in BPs of simple molecules hydrophilic molecules - Answer-attraction to water; polar; O-H or N-H bonds; soluble in w...